Crunch PX-2000.1D 2000 Watt Mono Powerful Car Audio Amplifier+Amp Wire Kit PX Crunch 2000 Watt Monoblock Class D Car Amplifier. Remote Bass Knob included. Quick Thermal Dispersion Technology. SEPP (Single Ended Push-Pull) output technology. Pulse Width Modulated power supply LED power and protect indicators. Wired remote bass level included. Slow unmute soft start turn-on. Mono channel operation. Preamp RCA outputs to daisy chain multiple arms. Dual speaker terminals simplify the hookup of multiple speakers Master/Slave power strapping capable. Superior aluminum alloy heatsink. Silver-plated RCA level inputs and screw terminals. Input sensitivity: 200 mmV -6 V. Variable low-pass filter: 30-250 Hz, 12 dB/octave Variable Subsonic filter: 20-50 Hz. Variable Bass Boost: 0 - + 12 dB bass boost at 50 Hz. Damping factor: &gt; 200. Signal-to-nose ratio: &gt; 98 dB. Frequency response: 20-250 Hz. Fuse rating: 40A x 2 1  17 High Grade Twisted Pair of 100% Copper RCA Cable. 17  4 Gauge Translucent Blue SuperFlex Power Cables. 17  18 Gauge Blue Remote Cable. 17  16 Gauge Clear Speaker Wire. 3  4 Gauge Clear SuperFlex Ground Wire. Gold Plated AGU Heat Resistant Fuse Holder. 60 Amp AGU Gold Plated Fuse. 7 Split Tube Loom. Accessories Included: Wire Ties, Ring Terminals, Butt Connectors, Spades, and Grommets.