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Get more Bass with the Boss Audio Phantom PD4000 Class D Monoblock Amplifier. This powerful 1-Ohm stable amplifier features 4000 Watts Max Power with a MOSFET power supply to get your vehicle rocking. Customize the sound with Variable Low Pass Crossover, Bass Boost and Subsonic Filter. Turn up the Bass and feel the music with the Remote Subwoofer Control. For double the performance and power, strap on another PD4000 for a total power of 8,000 Watts @2-Ohms. The Phantom Series are full featured amplifiers that offer eye-catching Multi LED Backlit Illumination and customization for high quality sound and performance. Feel the beat with the Boss Audio PD4000. For further product details, please scroll down.