Kicker 51KPX300.4 Compact all-weather 4-channel amplifier — 45 watts RMS x 4

Product highlights: compact all-weather 4-channel amplifier 45 watts RMS x 4 at 4 ohms 75 watts RMS x 4 at 2 ohms 150 watts RMS x 2 bridged at 4 ohms selectable high-pass filters (off, 60, 80, 120 Hz; 12 dB/octave) More info: weather-resistant chassis and harness connections preamp and speaker-level inputs speaker-level inputs require splicing wires or using RCA adapters speaker-level inputs can handle up to 40V (about 400 watts) speaker-level inputs feature auto amp turn-on via DC offset wiring, fuse, and hardware not included with amplifier 8-gauge power and ground leads and a 40A fuse recommended 8.52"W x 1.68"H x 3.31"D warranty: 2 years MFR # 51KPX3004