FULL BRIDGE MONOBLOCK 1500W RMS - Maximum bass power from a mini amplifier; full bridge design delivers serious output for demanding subwoofer systems ^^ COMPACT MINI FORM FACTOR - Massive 1500W RMS in a package small enough to fit under a seat or in tight installation spaces ^^ VARIABLE LOW PASS AND SUBSONIC FILTERS - Dial in your bass perfectly and protect your subwoofer from damaging frequencies ^^ 4-WAY PROTECTION CIRCUITS - Thermal, high and low voltage, speaker short, and DC protection for safe reliable operation ^^ REMOTE BASS KNOB COMPATIBLE - Control your bass level from the driver seat; pairs with Down4Sound remote bass knobs