JL Audio HD1200/1 1200 Watts Mono Subwoofer Amplifier

Highlights Mono subwoofer amplifier. 1,200 watts RMS x 1 (rated power from 1.5 to 4 ohms). Variable high- and low-pass filter (50-500 Hz 12 or 24dB/octave). Switchable subsonic filter (30 Hz) and output polarity control. Removable power and speaker plugs. Optional wired remote for level control. Optional HD stacking kit for stacking multiple HD amps together. Single Cycle Control Class D amplifier design. Regulated, Intelligent Power Supply System (RIPS) ensures consistent power output over a wide range of battery voltages and load impedances. Differential-balanced inputs eliminate noise from your vehicle's electrical system. Speaker- and preamp-level inputs (speaker-level input requires an optional adapter). Preamp outputs. 4-gauge power and ground leads and a 100-amp fuse recommended — wiring and hardware not included with amplifier. No onboard fuses — when installing multiple amps in a system, an additional 100-amp in-line fuse between the distribution block and the amplifier is re