Sony XM-GTR3301D

1 channel, Low Pass Filter, Bass Boost, Dynamic Distortion Suppressor, Active Thermal Control Class D mono subwoofer amplifier with massive 1100W Max. power output<br/>
<br/>Experience great sound quality with a massive 1100W max power in-car Class D 1 channel amplifier.<br/>
Variable 50-300Hz Low Pass Filter on front and rear channels, delivering only low frequency signals to your woofers.<br/>
MOSFET power source gives you superior performance from your in-car audio system.<br/>
One touch variable Bass Boost for thumping low-end sounds (rear speakers only).<br/>
Active Thermal Control technology inside the amp fine-tunes the peak part of the music signal. By maintaining the unit's temperature below the limit, nuances of sound are preserved.<br/>
High Level Sensing Power On feature allows the unit to be activated without the need for remote connection.<br/>