MB Quart DA2-600.1D Discus mono subwoofer amplifier — 600 watts RMS x 1 at 2 ohms Drone Kicker's 46CSS674 6-3/4" component speaker

Kicker's 46CSS674 6-3/4" component speaker system serves up stellar sound using a polypropylene woofer for the lower frequencies and a titanium dome tweeter for the highs

6”x 9” three-way multi-element speaker

LPF Filter: 30-150Hz

Alpine KTA-450 owner's manual

supercapacitor battery backup

MB Quart DA2-600.1D Discus mono subwoofer amplifier — 600 watts RMS x 1 at 2 ohms Drone Kicker's 46CSS674 6-3/4" component speakerProduct info: mono subwoofer amplifier 350 watts x 1 at 4 ohms 600 watts x 1 at 2 ohms variable low pass filter: 50 150 Hz, 12 dB octave variable subsonic filter: 15 50 Hz, 12 dB octave switchable bass boost: 0, 12 dB at 45 Hz wired remote bass level controller included More info: IP67 rated waterproof fully coated internal components and circuit board RCA inputs handle up to 9V (20 watts) wiring, fuse, and hardware not included with amplifier 4 gauge