Shop SoundAndVision
Refine By

Yeeco

  • Sort By:
Yeeco

parameters: module Name: Audio amplification board Power Range: AC 8-18V * 2 Recommended Voltage: AC 12V * 2 Static current: 5...0MA(AC12V when) Recommended Speaker :40-100W Output Power: 18W +18 W (8 ? speaker),30W +30 W (4 ? speaker) Weight: 150g Signal to noise ratio: 85% Input impedance: 40K-50K Output Impedance :4-16 ? Channel Type: Dual Channel Heat volume: 80 * 30 * 45mm Dimensions: 81 * 93 * 30mm (not including protruding parts potentiometer) packing including: 1x two-channel stereo amplifier board read more

Yeeco

parameters: Modules nature:Non-isolated boost Rectification: Non-synchronous rectification Input voltage:2.5V to 6V Output voltage...:5V Output current: 1000mA (max) Load regulation:±0.5% Voltage regulation: ± 2.5% Switching frequency:1MHz Output ripple: 20mV (max) Conversion efficiency: 92% (highest) Operating Temperature: -40 °C to +85°C Size: 28 * 19 * 8 (L * W * H) (mm) Product Features: This module uses machine placement, reflow soldering, each module prior to shipment after aging tests to ensure high reliability. This module uses the best TDK laminated ceramic capacitors as the main filter capacitor, the output ripple as low 20mV case (5V1A output) This module uses a standard USB interface, common to all USB charging devices such as mobile phones, MP3, MP4, perfect support for the IPHONE and other mobile phone. the modules with undervoltage protection function is less than 2.5V into the undervoltage protection status, can be more good to protect the battery, to avoid over-discharge damage. the module production boost chip chip, high efficiency (up to 92%), while heat is small, the chip comes with over-current protection, more good protection of the module and stage equipment Packing including : 1x mobile power Boost step up power supply module read more

Yeeco

Product information: Note: 1. Install this amplifier board on somewhere without metal and other conductive objects to avoid causin...g short circuit or burning the amp board; 2. Make sure the wiring before useing the amp board in case the board will be burnt; 3. Switch off the amplifier board's power if you do not use it for a long time; Instruction: 1) Connect to speakers Connect the two wires of the speakers to the power amplifier's audio output port, left channel speaker is connected to the LOUT port of the amplifier and the right channel speaker is connected to the ROUT port, connecting positive to "+" and the negative connects to "-"; 2) Connect to sound source Use an audio cable with a end of 3.5mm stereo headphone plug and plug it in the amplifier's 3.5 stereo headphone jack; Then connect the other end of the audio cable to the audio source (such as computers, mobile phones, MP3, DVD). 3) Connect to power supply -Connect to the power supply's adapter: Use the power adapter with the output which is above DC 12V/3A; Connect adapter's output cable to the 12V port of the power amplifier board; Connecting positive to "+" and the negative connects to "-". -Connect voltage converter: Use the voltage converter with the output which is above DC 12V/3A; Connect the converter 's two output cables to the 12V port of the power amplifier board; Because the output of the converter is alternating current, no difference between positive and negative. -Play music Power on the amplifier board and then the blue power indicator will light up which means that the power amplifier board starts working; Adjusting the volumn knob and enjoying your music. Package include: 1x Power Amplifier Board read more

Yeeco

Input Voltage: AC 17-26V/DC 17-40 V Output Voltage: DC 12V Output Current : 3 A Max ouput Power : 36 W Output Noise??100mV Output ...interface:outer ring interface 5.5 mm, 2.1 mm inner core Output polarity: positive Inside ,negative outside Efficiency Rate??80% Environment Operation temperature-20°C ~ 60°C Average working life: ?20000 hours Protection function: 1.Short circuit protection 2.Over current protection 3.Over load protection Common Application: CCD Camera, CCTV System, Gateway, other 12V electronic equipment ect Package Includes: 1x AC/DC Converter read more

Yeeco

sound enhancement technology can fix and restore signal loss and phase deviation audio system caused due to various reasons, so th...at truly reproduce the sound, so that listeners feel rich bass, positioning sense, clarity, brightness close to the ideal field effect. Operating voltage: minimum 6-15V Recommended Voltage: 12V Operating Current: 15MA High-frequency resolution enhancement adjustment range:-0.5-+13 db Low-frequency compensation adjustment range:-0.5-13db High compensating adjustment range by changing the respective control 4 (16) 5 (15) pin input levels Each pin functions are as follows: 3 feet and 17 feet left and right channel signal input, 9 feet and 11 feet left and right channel signal output, power input is 10 feet, one foot is the power ground, 18 feet deal with Straight through selector switch control terminal (when ground handling), 2 feet of the reference voltage output for output to 4 (16), 5 (15) feet to adjust the high and low frequency compensation available. 6 (14) feet is a low-pass filter end, 7 (13) feet high pass filter end. packing including? 1x Digital Audio Processor Power amplifier pre plate read more

Yeeco

Input voltage: DC24V (17-35V) Output voltage: DC12V Output power: 20A Short circuit protection, overcurrent protection ?automat...ic recovery after the exclusion of obstacles ? Dimension: 74 * 74 * 32MM (not including stopper) Module Properties: non-isolated buck module (BUCK) Rectification methods: synchronous rectification Minimum voltage difference: 2V Soft Start time: about 500mS Output ripple: 50mV (MAX), 20M bandwidth Working temperature: -40 ? to + 85 ? (Ambient temperature exceeds 40 ° C, lower power use, or to enhance heat dissipation) Full load temperature rise: 50 ? Load regulation: ± 1% Voltage regulation: ± 2% Dynamic response speed: 5% 200uS Input Reverse Polarity Protection: None, if needed, input diode in series Inputs need to add a fuse - voltage polarity can not be reversed Scope: Coach,, large trucks, moving trucks, solar power, bus displays, taxi advertising screen, absolutely no interference taxi radio, car audio, LCD TVs, LED, intercom and monitoring systems. packing including? 1x power supply read more

Yeeco

Introduction This HDMI Switcher routes high definition (in multiple resolutions up to 4K X 2K) and digital audio from any one of ...the five sources to display unit. The output sends the high definition audio/video signals to a high definition display. This kind of the HDMI Amplifier Switcher not only has the key press switch function ,but also has the IR remote control and and Intelligent function Features Multifunctional on switching : intelligent or mechanical IR extender receiver (included) IR remote (included) Support HDMI1.4b, HDCP pass-through. Support highest video resolution 4k x 2k @30 1080p and 3D. Support 300MHz/3.0Gbps per channel bandwidth Support 12bit per channel deep color,36 bit Total. Support uncompressed audio such as LPCM (Linear Pulse Code Modulation). Support compressed audio such as DTS Digital, Dolby Digital(including DTS-HD and Dolby True HD). Parameters : Input DDC Signal:5 volts p-p (TTL) Maximum Single Link Range:4k x 2k Output Video:HDMI 1.4b Vertical Frequency Range:30/50/60Hz Video Amplifier Bandwidth:3.0Gbps/300MHz Interlaced(50&60Hz):480i,576i,1080i Progressive(50&60Hz):480p,576p,720p,1080p,4k x 2k Operating Temperature:0 °C to +70°C Operating Humidity:10% to 85 % RH (no condensation) Storage Temperature:-10°C to +80°C Storage Humidity:5% to 90 % RH (no condensation) Power consumption (Max):5W IR extender receiver IR remote User Manual:English Version Package Contents 1) HDMI1.4V 5port HDMI Switch 4k*2K 2) IR receiver 3) Remote control 4) User Manual read more

Yeeco

Input voltage: DC 8-22V Output voltage: DC 5V Output Current: 3A max Output Power: 15W max Output Interface: Right Bend MICRO ...USB Cable Connector(female) Features: Synchronous rectification Waterproof Working temperature: -25-60 °C Protection: reverse polarity protection, output short circuit protection, over current protection, Over temperature protection Wiring instructions: red positive, black negative Packing including: 1xpower supply Car Charger read more

Yeeco

Product parameters: Module Name: LM2596 Buck module with digital display Module Properties: non-isolated step-down module (BUCK)... Input voltage: DC 4-40V input (limit 40V), please keep voltage margin Output voltage: DC 1.2-38V continuously adjustable Quiescent Current: 5mA, do not include voltmeter ammeter Output Current: 3A MAX, please strengthening heat more than 2A(related to input and output voltage different,larger input and output voltage different ,current is smaller) Voltmeter minimum resolution: 0.05V/0.05A (?10V automatic switching decimal point) Operating Frequency: 150KHz Working temperature: -40 to +85°C (ambient temperature is too high, please enhance heat dissipation) Conversion efficiency: up to 95% (efficiency Input and output voltage, current, voltage difference related) Module dimensions: 60 x35x 20mm(L*W*H) descriptions: Wiring: Terminal Output Installation:4pcs3mm screws Output with USB port With identification resistor Direct 5V to charge the phone Buck module with digital display Overcurrent protection: Yes (chip comes with) Short-circuit protection: Yes (chip comes with) Do not short-circuit input Reverse Polarity Protection: No, (if necessary, please input string into diode) Identification Resistance: Tablet PC, pad, phone (some phones identification circuit is different, need to be adjusted) packing including: 1x DC to DC converter read more

Yeeco

Module Name: 150W boost constant current module Module Properties: non-isolated step-up module Input Voltage :DC 10-32V Ouptput ...Voltage10-46V(adjustable, default 19V) Input Current: 16A Max. (exceed 8A please enhance heat dissipation) Output current: 8A Max. (exceed 4A please enhance heat dissipation) Static working Current: 15mA Output current range: DC0.3-8A Turn lights adjustment range: DC0.3-8A Output power: natural cooling 90W, enhance heat dissipation to 150W Operating temperature: -40 to +85 ?(when the ambient temperature is too high to enhance heat dissipation) Operating Frequency: 150KHz Conversion efficiency: Up to 95% (efficiency and input and output voltage, current, pressure related) Short circuit protection: (enter the 15A fuse) Input Reverse Polarity Protection: None, (if required in the input string into the diode) Installation: four pieces 3mm screws Wiring: free welding output terminals with shell welding output. (V-IN as an input, V-OUT is the output) Module dimensions: ?length? 60mmX? width? 50mm X?height ?20mm Applications: 1. DIY a power supply, input 12V can, the output can 12-46V/60V adjustable. 2, the power for your electronic devices, can according to your system set output voltage value. 3, as the vehicle power supply for your laptop, PDA, or a variety of digital products supply 4, DIY a laptop mobile power supply: 12V coupled with high-capacity lithium batteries, 5, the solar panel regulator. 6, to the battery, lithium battery charging. 7, driving high-power LED lights. packing included: 1x DC Converter read more

Yeeco

Technical parameters: Input positive:IN+ Input negative:IN- Output positive:OUT+ Output negative:OUT- Output current:0-2.00A... Output power:Maximum 40W Ripple frequency:About 330 KHz Ripple peak to peak value : 50mv (typical value) Input voltage range :DC 4.5-23V(23V is the limiting highest voltage. When you use it, make sure input voltage below 23V) Output voltage range :DC 0V-20.0V(In step down voltage mode, input voltage must be higher than 3V), the control button can fast draw up 2 sets data. Weight:59g/piece Open size: 71mm*39mm Dimension:79mm*42mm*26mm (L*W*H) Display introduction: U-IN: input voltage;U-SET: preset voltage U-OUT: output voltage;I-SET: Preset current I-OUT: output current;POWER: output power M-PRE: shortcut store;LED: background brightness M1: shortcut store1;M2: shortcut store 2 S-MD: setting the mode;R-MD: normal operation ON/0FF: open/shut down the module output packing including: 1x DP20V 2A power supply module read more

Yeeco

Product information: Power supply: DC 8-20V; 2.1 interface Audio inputO(Stereo input): Support various versions of bluetooth conne...ction; with built-in CSR8630 bluetooth chip, V 4.0 bluetooth. This Amplifier has super software compatibility Output Impedance: 8? Best(4?,6?,8?,16? impedance can drive speakers) Output power: Add pre-5532 output foot (powered 25V ,6-ohm impedance output 2*50W ,8 ohm impedance output 2*40W dual-channel) Instructions: After power on the amplifier, waiting for 3 seconds till the blue and red light flash alternately and then you can use your device to connect my bluetooth moudle-"H-DIY Audio"; the next time you use the amplifier, the device will automatically connect. Color of the amplifier board: Red Digital Amplifier Board Size: 82.1mmX50.5mmX18.8mm(L*W*H) Acryliccaseor Size: 103.4mmX69.5mmX26.5mm(L*W*H) Weight: about 118g(amplifier+case) Package Includes 1 x Amplifier Board 1 x Acryliccaseor Parts and components read more

Yeeco

Waterproof aluminum shell 9-60V to 3.7V DC to DC buck step down power supply Converter Voltage Regulator 12V 24V 36V 48V 60V to 3....7V Module Properties: Buck Power supply Input voltage: DC 9-60V Output voltage: DC 3.7V Output Current: 3A Protection: Output short circuitoverload protection Size specifications: 54X35X21.5MM Working temperature: -25-65 ° C Wiring: Red input positive, yellow line output positive?black line negative Note: There is no reverse polarity protection, reverse burn power supply packing including? 1x power supply read more

Yeeco

Amplifier type: AV amp Voltage input: DC 9-24V Rated power: 50W*2 Bluetooth standard: Bluetooth 4.0+EDR Bluetooth connecting dista...nce: within 10 meter(30 feet) AUX Audio Input: 3.5mm audio singal cable Application: Super compatible to singing, IPhone, SmartPhone, television tablet PC Computer, Laptop and etc Bluetooth connecting: -Power on the amplifier -Using smart phone or notebook with Bluetooth function -Searching "F900 Music play" Bluetooth, click the connecting. If hint PIN pls enter 0000, then you can play wireless mnusic after connecting. Instruction: -ON/OFF button: Press 2 seconds to power on the amplifier; Shortly press button to pause the music; Shortly press the button again to resume play; -BASS/M button: Shortly press this button to switch modes: Bluetooth mode/ AUX IN mode/ USB sound card mode; -"USB sound" connection jack: Connect it with USB cable to computer or laptop, lossless sound comes out, does not need driver or connect to audio signal cable Package including: 1*bluetooth amplifier 1*AV audio signal cable 1*audio signal cable 1*USB cable 1*US-type power supply read more

Yeeco
¤44.55-¤26.99
at Amazon.com

Parameters: Using Voltage: AC 110V Maximum power: 10000W (connected resistive load) Long term operating power: 7000W Voltage R...egulation: AC 0 - input supply voltage Size :( length) 111MM * (width) 77MM * 37MM (excludingHandle) How to use: SCR regulator Connects to the front with the electrical circuit,Input and output lines Respectively Connect?do not need to Distinguish between Live Wire and Neutral Wire.Turn the potentiometer Rotating rod, Can play dimming,Speed Control,Regulator,thermostat Effect. Application: The use of new ultra-high-power two-way SCR,Resistive load can be adjusted between 0 ---- input voltage,For use with appliances.Such as: Electric furnace,Water heaters heat transfer,Lighting Dimmer,Large motor Speed Control and so on.Available for less than 10,000 watts of electric power (resistive load) of large electrical power Using due to the large, it is generally sufficient household appliances or small factories using. Note: Must Pay attention to the temperature rise when using in the first time, if it exceeds 80 °C,please enhance heatsink,or would burn out module and load.The power must leave 2/3 margin when connect to inductive load or Capacitive load. Product Features 1 trigger circuit voltage regulator IC control 2 SCR special increase dual protection varistors and RC snubber circuit? 3. Add intelligent temperature control fan to improve the cooling effect Wide application: electric furnace, water heater, lamps, small motor, electric iron etc packing including? 1x AC 110V SCR Super High Power 10000W Electronic regulator read more

Yeeco

Technical indicators: (1) Operating voltage: DC7V-60V (2) Control power: 12V (within 200W); 24V (within 300W);48V (within 350W) ... (3) Quiescent Current: 0.02A (standby state) (4) PWM Duty Cycle: 5% -99% (5) PWM frequency: 15khz (6)Dimensions: 70MM * 38MM * 31MM Product Features Power input reverse polarity protection 20A (Relatively reduce the operating voltage, high current, and use with power) Sealed with a potentiometer and switch functions packing including: 1x DC Motor speed control switch read more

Yeeco

12V to 5V USB Power supply module DC to DC buck converter voltage regulator Product size: 40 * 14 * 7.5MM Model: Fulree 2203-5 ...Input voltage: DC8-22V Output voltage: DC5V Output Current: 3A MAX Output Power: 15W Working temperature: -40-80 ° C With identification resistor Reverse polarity protection Short circuit protection Overcurrent protection Over-temperature protection packing including? 1x USB Power supply read more

Yeeco

Parameter Power input: DC 12-24V Harmonic distortion: ?0.5% Frequency response: 20Hz-20KHz(±1dB) Frequency: 50Hz-60Hz SNR(signal n...oise ratio): ?92dB Input sensitivity: ?280mV Rated power: ?500W Separation: ?90dB Load impedance: 4-8? Output power: 50W+50W Dimention:9(Length)*14(Width)*3.5(Height)cm Input: Bluetooth+analog signal input Bluetooth Range up to 10 feet; Wireless up to 30 feet (actual distance is various with usage, settings and environmental conditions) Common problem: 1. Power supply is unstable, or power supply module causes interference 2. Use the switching power supply as a power supply 3. Use the power transformer as power supply, and do not do a good job on shielding isolation to avoid interference 4. With electromagnetic interference in the working environment 5. There is a self-problem of the audio input device Suggested treatment: Keep the amplifier a certain distance away from the power supply to avoid electromagnetic interference, it is best to use more stable high-quality power supply, such as If you use the power transformer, it is best to use a iron shell to cover the power supply to prevent electromagnetic interference. Each amplifier chip has a unique sound field itself, if sound card driver or player software's sound effect have been set, some special effects software's simulation effect may cause amplifier distortion. It is recommended to close the sound setting of the software or river before using connecting your mobile phone or laptop computer. What is more, it is better to clean the volume potentionmeter after a long time usage. Package include: 1 x Yeeco Bluetooth Amplifier with Bluetooth Antenna(not include power supply) read more

Yeeco

Module Properties: Isolation Power Supply Module (Input/Output Completely Separated) Input Voltage: DC 12-32 V Output Voltage: D...C 12V Output Current: 8 A, Peak 10 A Output over-current protection: Yes. After output over current, Automatically reduce the output power Regulated function: Automatic boost and Buck regulator function Output Power: 96 W(natural cooling) Working Temperature: - 40 ? to 85 ? Load Regulation: +-1% Voltage Regulation: +-0.5% Dynamic Response speed: 5% 200 U ACC Control Input: hbuilt-in ACC delay start memory function.effectively solve the car ignition start-up voltage instability problems Dimensions: 110*90*45MM Apply Range: car navigation, car LCD monitors and digital audio and video products IPC board marine electrical and so on Packing included: 1X DC Isolation Power Supply read more

Yeeco

Product Parameters: Input voltage range: 6-40V (no more than 40V, otherwise the power converter will break) Output voltage range:... 0-38V Output power: MAX 200W Output current: 4A (please avoid short circuit when the power converter operates) Setting resolution of output voltage: 0.1V Voltage measurement accuracy: ±(1? +2 digits) Dimention: 60mm*66mm*36mm Protect function: Integrated input MOS transistor reverse polarity protection circuit, no damage happens when connected reversely Instructions: -Please check the marks near the terminals of input/output carefully before wiring. -Please check the markd near the buttons of PCB module and each button's function before operation. 1. ON/OFF buttons for output voltage controlling. Default output voltage starts when power on, one press to switch off the output and one more press to switch on the output. 2. IN/OUT buttons(on the left of the digital tube). Used to switch the input voltage or output voltage on digital display. 3. SET button for output voltage setting. Digits on decimal places of the output voltage on display will flash after short pressing the SET button, and it means the digits can be set at this time. Using "+"/"-" buttons on the left to increase or decrease the numeric. In other words, it can incerease or decrease the setting output voltage. One more press on the SET button to finish the decimal places setting. At the same time, the integers start flash and you can also start setting. After finishing all the setting, one more press on SET botton again to logout the setting mode. Anyway, the buck converter will also logout automatically after 6 seconds. Package include: 1xDC DC NC Step Down Buck Converter read more

Yeeco

TY100 LM317 Linear Full-stage voltage regulator board Fan Speed Controller With switch Input voltage :DC3.25-15V Output voltage:... dc1.25V-13V (maximum dropout 2V) Output current :5-1500MA Size: 33.5 * 30.5 * 24mm (excluding protruding knob) Install Aperture: M3 * 4 Input terminal: XH-2.54-2P Output terminal: XH-2.54-2P KF2510-3P Chip: overheating, over-current, short circuit protection Ambient temperature: -10 ~ 85 ? Storage temperature: -65 ~ 150 ? packing including: 1x LM317 Linear Full-stage voltage regulator read more

Yeeco

Work: D Quiescent Current: 20mA Operating efficiency: 90% Rated output power: 10W +10 W (8?) Frequency response: 20Hz to 50KHz... Operating voltage: DC7.5-15V Recommended supply voltage: 12V PCB board size: (40 * 40 * 20) mm packing including: 1x min digital amplifier board read more

Yeeco

4X50W mk150 TDA7850 amplifier board 4-channel car Audio amplifier digital amp board With BA3121 Noise Reduction TDA7850 amplifi...er board automotive vehicle Main filter capacitor using 10000uf Using LC filter Noise isolation with BA3121 (elimination of ground noise) Boot no sonic boom, no need speaker protection board 4 inputs / 4 outputs Power supply: DC 12V or 12V car power supply ACC control ELNA capacitor packing including: 1x TDA7850 amplifier board read more

Yeeco

Parameters: input voltage:DC 3-35V Output voltage: DC1.23V-33V adjustment output current: max 3A, 2A current recommended to use th...e following, leaving a certain margin. Without fins and airy case, power up to 20W or so, up to 93% efficiency. ultra-small size: 37x37x14mm. descriptions: Wiring: Vin: as input Vout: as output as is the step-down DC-DC circuit, the input voltage needs to be higher than output voltage 1.5V or more, in order to ensure the stability of the output voltage. with short circuit overheating protection, output short circuit is not afraid even if the circuit will automatically protect! Empty load, the static power consumption is only about 6mA. Note: In a large current operating state, the circuit board if the feeling is very hot, and it should be installed immediately off the heat sink, so as to avoid high temperature circuit burn Package including: 1X Voltage Regulator read more

Yeeco

Introduction: This HDMI Amplifier Splitter is an HDMI splitter with two outputs. It distributes the input of the HDMI signal into... the two identical outputs simultaneously. It supports full 3D format and 4Kx2K. Its video amplifier bandwidth can be up to 3.4 Gpbs/340MHz. This HDMI Amplifier Splitter offers solutions for HDTV retail and show site, HDTV, STB, DVD and Projector factory, noise, space and security concerns, data center control, information distribution, conference room presentation, school and corporate training environments. Product Parameter: Input DDC Signal: 5 volts p-p (TTL) Maximum Single Link Range: 4kX2k Output Video: HDMI1.4a with full 3D and 4Kx2K Vertical Frequency Range: 50/60Hz Video Amplifier Bandwidth: 340MHz/3.4Gbps Interlaced(50&60Hz): 480i,576i,1080i Progressive(50&60Hz): 480p,576p,720p,1080p,4Kx2K Size(L-W-H): 63*54*18mm Operating Temperature: 0? to +70? Operating Humidity: 10% to 85 % RH (no condensation) Storage Temperature: -10? to +80? Storage Humidity: 5% to 90 % RH (no condensation) External Power Supply: DC 5V@ 1A Power consumption (Max): 5W Product Features: Easy to Use: Install in seconds, no need of setting 1 HDMI Input, 2 HDMI outputs Supports Full 3D and 4Kx2K resolution & highest video resolution 1080p Bandwidth is 340MHz/3.4Gbps per channel (10.2Gbps all channel) 12bit per channel (36bit all channel) deep color Supports uncompressed audio such as LPCM and compressed audio such as DTS Digital, Dolby Digital (including DTS-HD and Dolby True HD) Package Includes: 1 x HDMI Splitter 1X 5V DC Power Supply 1XUser Manual read more

Yeeco

<br/>Amplifier type: AV amp <br/>Bluetooth connecting distance: within 10 meter(30 feet) <br/>Bluetooth standard: Bluetooth 4.0+ED...R <br/>Headset power: 105mW*2 <br/>Rated power: 30W*2 <br/>Voltage input: DC 12-24V <br/>Current input: 3-4A <br/>AUX Audio Input: 3.5mm audio singal cable <br/> <br/>Bluetooth connecting: <br/>-Power on the amplifier <br/>-Using smart phone or notebook with Bluetooth function <br/>-Searching "F900 Music play" Bluetooth, click the connecting. If hint PIN pls enter 0000, then you can play wireless mnusic after connecting. <br/>Bluetooth indicator condition: <br/>Blue light twinkle-means Bluetooth has not been connected. <br/>The indicator lights for a long time and then twinkle-means Bluetooth has been connected successfully. <br/> <br/>Precautions (the following problem may happen to you): <br/>1. With electromagnetic interference in working environment <br/>2. There is a self-problem of the audio input device <br/>3. Electromagnetic interference on the power supply <br/> <br/>Suggested treatment: <br/>Keep the amplifier a certain distance away from the power supply to avoid electromagnetic interference; <br/>Each amplifier chip has a unique sound field itself, if sound card driver or player software's sound effect have been set, some special effects software's simulation effect may cause amplifier distortion. It is recommended to close the sound setting of the software or driver before connecting your mobile phone or laptop computer; <br/>What is more, it is better to clean the volume potentionmeter after a long time usage.<br/> <br/>Package includes: <br/>1*bluetooth amplifier <br/>1*audio signal cable <br/>1*AV audio signal cable <br/>1*US-type power supply read more

Yeeco

Module Features: 2 relay outputs, each of 5.08-3P terminal (output is normally open and normally closed) power supply: AC/DC 12V... Point to point control and Cycle control Cycle control can be switched or Fully closed output:max 10A Indicator Description: RED is power indicator light,another 2 correspond to two relays, When the corresponding relay is open bright Key Description: S1:The first relay, After power on ,relay is fully closed,Press one time S1 on, press again close, press again on,So as the cycle.Triggering process: ON ? OFF ? ON ? OFF S2:The second relay, After power on ,relay is fully closed,Press one time S2 on, press again close, press again on,So as the cycle.Triggering process: ON ? OFF ? ON ? OFF S3: circulation switch, After power on all relays is fully closed, Press one time S1 on, press again S2 on, press again fullyclosed, So the cycle Trigger process: CLOSED ? J1 open ? J2 open ? fully closed ? J1 open ? J2 open ? fully closed Terminal lead wire Description: 2 Red lines for power supply AC / DC12V, regardless of the positive and negative Blue Line control relay 1, yellow line on the 2nd control relay, black line common (functions same as S1 S2 ) 2 White lines for circulation control(same functions as S3) Note: The output terminal is isolated, you can control any voltage packing including: 1x2-way Relay Switch Module read more

Yeeco

PAM8403 mini 5V digital amplifier board Audio power amp USB 5V power supply With switch potentiometer <br> Operating voltage: DC2....5-5.5V (You can use a computer USB port 5V power supply? <br> Maximum output: 3WX2(5V 4 ?) <br> Board dimensions: width 30mm / depth 22mm / Height16mm <br> (Dimensions excluding potentiometer handle protruding parts) <br> The potentiometer is provided with a switch to control the volume and power switch, Do not exceed the working voltage of 5.5V, Do not pick the wrong power supply positive and negative, Otherwise, the chip may be damaged. <br> packing including: <br> 1x mini 5V digital amplifier <br> read more

Yeeco

Amplifier type: AV amp Voltage input: DC 9-24V Rated power: 50W*2 Bluetooth standard: Bluetooth 4.0+EDR Bluetooth connecting dista...nce: within 10 meter(30 feet) AUX Audio Input: 3.5mm audio singal cable Application: Super compatible to singing, IPhone, SmartPhone, television tablet PC Computer, Laptop and etc Bluetooth connecting: -Power on the amplifier -Using smart phone or notebook with Bluetooth function -Searching "F900 Music play" Bluetooth, click the connecting. If hint PIN pls enter 0000, then you can play wireless mnusic after connecting. Instruction: -ON/OFF button: Press 2 seconds to power on the amplifier; Shortly press button to pause the music; Shortly press the button again to resume play; -BASS/M button: Shortly press this button to switch modes: Bluetooth mode/ AUX IN mode/ USB sound card mode; -"USB sound" connection jack: Connect it with USB cable to computer or laptop, lossless sound comes out, does not need driver or connect to audio signal cable Package including: 1*bluetooth amplifier 1*AV audio signal cable 1*audio signal cable 1*USB cable 1*US-type power supply read more

Yeeco

Module parameters: Module Name: 3A Boost Mobile Power Module Properties: non-isolated step-up module (BOOST) Input voltage: DC2....6-5.5V Output voltage: DC5V Input current :0-3A Output current :0-2A Operating temperature: -40 to +85 ? Operating frequency: 1.2MHz Conversion efficiency: Up to 93% Current protection: yes Over-temperature protection: Yes (over-temperature shutdown automatically after output) Input Reverse Polarity Protection: None, (if required in the input string into the diode) Charging input voltage: 5V Charging current: 500mA Battery indicator: 3.6V when the red Identification resistor: Tablet PC, pad, phone Installation: 3 PCS 3mm screws Connection: Welding, V-IN as an input USB is the output MINI-USB as a charging input Module Size: 20mm * 40mm * wide 10mm high Efficiency Test? Input 4.1V, 0.5A output, the efficiency 92% Input 4.1V, 1A output, efficiency is 90%. Input 4.1V, 1.5A output, efficiency is 84%. Input 4.1V, 2A output, efficiency is 79%. Output current increases, the greater the loss of the line This module can be used in a single lithium battery liters 5V output, For general digital products charge, Such as mobile phones, Ipad, MP3, PSP and so on. Itself with a charging circuit and the battery indicator circuit, Only connected to the battery could become a high-current output mobile power. packing including: 1x power supply module read more

Yeeco

<br/>Product information: <br/>Power supply: DC 8-20V; 2.1 interface <br/>Recommened power supply(V): ±5-15 <br/>Gain bandwidth(MH...z): 10 <br/>Power bandwidth(KHz): 140 <br/>Conversion rate(V/us): 9 <br/>Input Offset Voltage(mV): 5 MAX <br/>Input noise voltage(nV/Hz): 5 <br/>Common mode rejection ratio(dB): 70 Min <br/>Quiescent Current(mA): 8 <br/>Channel: 2 <br/>Audio input(Stereo input): Support various versions of bluetooth connection; with built-in CSR8630 bluetooth chip, V 4.0 bluetooth. This Amplifier has super software compatibility <br/>Instructions: After power on the amplifier, waiting for 3 seconds till the blue and red light flash alternately and then you can use your device to connect my bluetooth moudle-"H-DIY Audio"; the next time you use the amplifier, the device will automatically connect. <br/>Color of the amplifier board: Red <br/>Digital Amplifier Board Size: 82mmX50mmX15mm(L*W*H) <br/>Acryliccaseor Size: 104mmX70mmX26mm(L*W*H) <br/>Magnetic ottoman:?12mmX8mm(H) <br/> <br/>Package Includes <br/>1 x Amplifier Board <br/>1 x 3.5mm AUX audio wire <br/>1 x Acryliccaseor Parts and components read more

Yeeco

TDA7297 Dual Channel amplifier board,power supply by direct current or be charged by 12V storage battery. Current rangge: 6-18V(12...V recommended) Output power can up to 15W+15W(30W+30W-peak) With heat sink and potentiometer, can be used immediately after wiring. With high working efficiency and up to 90%, power saving, can work for more than 5 hours continuously after charging by 12V motocycle battery Note: If the amplifier often works for a long time, please use a bigger heat sink in order to keep the board for long-term usage. Package include: 1x15W+15W Dual Channel Amplifier Board read more

Yeeco

Product Parameter: Power supply: DC 12-26V Output power: Max 120*2W SNR: 100db Channel amount: Dual channel stereo Efficiency: up ...to 90% Size: 90mm*68mm*16mm (length * width * height) Advantage: -Has strong TPA3116 chip -With surface mounted inductances -With surface mounted capacitances -European style wiring terminals -Big heatsink chip, convection type heat dissipation Note: -Please check the wiring diagram carefully before you use this amplifier board; -Do not use the speakers with too low power unceremoniously; -Unreasonable usage of power, voltage and power will damage the speakers and the AMP board. Package include: 1* 120x2W Audio Amplifier Board read more

Yeeco

Input voltage: DC 8-50V Output voltage: DC 5V Output Interface: Female USB output Output Current: 3A max, (2A long working is ok) ...Output Power: 15W max Output Ripple Peak: 100 Reverse polarity protection Overcurrent protection Over-temperature protection Size specifications: 46x32x18MM Minimum voltage difference: 2V Working temperature: -25-65 ° C (Ambient temperature exceeds 40 ° C, lower power or enhance heat dissipation) Full load temperature rise: 40 ° C packing including : 1x Power supply Module read more

Yeeco

Input voltage: DC 8-22V Output voltage: DC 5V Output Current: 3A max Output Power: 15W max Output Interface: Usb Cable Connect...or(female) Features: Synchronous rectification Waterproof Working temperature: -25-60 ° C Protection: reverse polarity protection, output short circuit protection, over current protection, Over temperature protection Wiring instructions: red positive, black negative Packing including: 1xpower supply Car Charger read more