Integrated Amp Reviews

Speakers
Performance
Build Quality
Value

Integrated Amplifier
Performance
Features
Ergonomics
Value

AT A GLANCE
Plus
Great value
Tidal, Spotify, and TuneIn streaming
Digital and analog inputs accommodate multiple sources
Minus
Subwoofer output
Treble-forward sound with some music
Coarse volume steps
No USB-DAC input

THE VERDICT
OSD Audio’s compact, component-based system is a great value and offers a high-er-performance alternative to many all-in-one wireless speakers.

OSD Audio is a company that seems to make everything— everything audio-related, that is. When I stopped by the company's booth at the CEDIA trade show in 2018, CEO Dave Chai took me on a guided tour of the vast array of in-wall and in-ceiling speakers, outdoor speakers, subwoofers, amplifiers, accessories, and cables on display, thoroughly impressing me with his ability to speak about each product in detail. While much of OSD Audio's catalog is aimed at custom installation pros, two new consumer-oriented categories for the company are bookshelf speakers and integrated amplifiers with wireless streaming capability.

Performance
Features
Ergonomics
Value

AT A GLANCE
Plus
Impressive power and sonics from a sub-compact design
Dynamic enough to handle a wide range of speakers
Useful Bass EQ/subwoofer filter options
Minus
Digital conversion does not extend to 32-bit/384kHz

THE VERDICT
The D 3045 is a surprisingly powerful compact integrated amplifier with an eminently capable onboard DAC that's equally at home on the desktop or component rack.

Five years ago, when I examined NAD's $399 D 3020, the progenitor of the D 3045 before us here, I liked it—a lot. The D 3020 was among the first of what I've come to call DAC-lifiers: small-ish integrated amps with onboard digital-to-analog facilities intended for audio-streaming or computer sources and projecting at least some level of audiophile sophistication.

Performance
Features
Ergonomics
Value

AT A GLANCE
Plus
Effective, easily configured room correction
Flexible bass-management
Powerful stereo amplifier
Extensive phono input settings
Minus
No built-in network streaming capability

THE VERDICT
ARC room correction on Anthem’s STR integrated amp makes it a must-audition option for anyone putting together a high-performance stereo system.

Anthem AVM series preamplifier/processors have been part of my home theater toolkit going back as long as I can remember. Though they perform A/V switching, audio processing, and video upscaling as well as anything else on the market, the main feature I’ve come to depend on is the company’s proprietary ARC (Anthem Room Correction), a Windows and iOS/Android app that lets you measure the effect of your listening environment on your speakers using either a calibrated microphone or the one built into your phone or tablet.

Performance
Features
Ergonomics
Value

AT A GLANCE
Plus
Reference-grade sonics
Outstanding digital audio performance up to 32-bit/384kHz
Gorgeous fit and finish and industrial design
Minus
Basic user interface
Comparatively limited onboard music streaming options
Ethernet connection can be finicky

THE VERDICT
The Micromega M-150 is a pricey, somewhat limited, but fine-sounding integrated amp with a super-slim form factor and surprising power.

Nominally, French firm Micromega would seem a deeply conflicted organization. Is it micro, or is it mega? We may never know. (For the record, “Micomégas” is an 18th-century, ur-science-fiction novella by that most French of Enlightenment figures, Voltaire.)

Either way, the south-of-Paris firm has an established record of filling niches in the ever-shifting digital-audiophile world, beginning with several notable high-end CD players. Today, like most such manufacturers, Micromega is redefining itself for the post-physical media age: Witness its latest M-One duo of streaming- capable, digital-input integrated amplifiers—streamplifiers, as I like to call them.

Performance
Features
Ergonomics
Value

AT A GLANCE
Plus
Neutral sound from Class A/B amp
Upsamples and converts PCM and DSD
Compact form factor
Minus
Futuristic design means no mechanical controls
No wired headphone output

THE VERDICT
Cary Audio’s all-in-one system looks great, sounds great, and is packed with cutting-edge features.

Cary Audio is known in the high-end audio scene for making vacuum-tube and solid-state stereo components, and the brand has also established a foothold in the home theater world with its Cinema 12 preamp/processor and multichannel amplifiers. Cary’s AiOS (All-in-One System) is the first offering in the company’s Lifestyle series. With built-in aptX Bluetooth, wired Ethernet and Wi-Fi connectivity, AirPlay and PhoneShare support, and onboard Tidal, Spotify, and vTuner streaming, the AiOS really does have everything you need to immediately start playing music. Just download the company’s iOS/Android app, connect speakers, and you’re good to go.

Audio Performance
Features
Ergonomics
Value

AT A GLANCE
Plus
USB inputs for PC and iOS
Premium Wolfson DAC
Bluetooth aptX
Minus
No DSD decoding
No Wi-Fi, AirPlay, or Ethernet
No streaming services

THE VERDICT
The Rotel A12 accepts direct wired input from PCs and iOS devices and gets the best out of both digital and analog sources with its great-sounding DAC and amp.

Connecting a computer to an audio system with a USB cable seems a perfectly logical idea. It’s simple, it’s direct, and it enables the computer to feed bits to the system and rely on the system’s digital-to-analog conversion. Yet this desirable feature is tantalizingly rare. AVRs and streaming amps tend to rely on wired and wireless network connections rather than on a USB port and asynchronous digital-to-analog converter (DAC) that can take over the clocking functions of the digital bit transfer and reduce the effects of jitter.

Performance
Features
Ergonomics
Value

AT A GLANCE
Plus
High-performance Wolfson Audio WM8671 DAC handles signals up to 192 kHz/24-bit
AccuBASS designed to restore depth to compressed audio sources
Automatic input switching

Minus
Runs hot
Lack of front-panel controls may be problematic for some installs

THE VERDICT
This terrific amplifier and DAC solution improves sonics in a small package.

The quest for audio simplicity has come far closer to becoming a reality with the introduction of music streamers from the likes of Sonos and Apple. Now just connect one of these devices to an audio system, and you’ve got an entire world of music literally at your fingertips. However, these components aren’t exactly revered for their terrific audio qualities, and many dress up the sonics by running them through an outboard DAC before connecting to a quality amplifier. But in space-challenged places like an office, kitchen, or bedroom, this can be easier said than done.