Kicker 51KPX500.1 Compact all-weather mono subwoofer amplifier — 500 watts RMS x 1 at 1 ohm

Product highlights:

• compact all-weather mono subwoofer amplifier
  • 150 watts RMS x 1 at 4 ohms
  • 300 watts RMS x 1 at 2 ohms
  • 500 watts RMS x 1 at 1 ohm
• variable low-pass filter (40-160 Hz, 24 dB/octave)
• variable subsonic filter (10-40 Hz, 24 dB/octave)
• variable bass boost (0-6 dB at 40 Hz)
• optional wired remote control available

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 60A fuse recommended
• 8.54"W x 1.69"H x 3.62"D
• warranty: 1 year
  
• MFR # 51KPX5001