Compact mono subwoofer amplifier with automatic tuning DSP — 500 watts RMS at 1 ohm

Now you can get fantastic, powerful bass without shelling out a lot of money for a huge amp or spending too much time tuning the system after installation. Kicker's KEY500.1 compact subwoofer amplifier features automatic signal processing that tailors the sound to blend in perfectly with your specific stereo system. And this compact power pack can send up to 500 watts RMS to your sub.

Product highlights:

• 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
• Class D amp technology
• KEY Auto Setup customizes the signal for your stereo system
  • test tones available from Kicker.com
  • automatic adjustments include bass restoration and EQ
• variable low-pass filter (40-160 Hz, 24 dB/octave)
• variable subsonic filter (10-40 Hz, 24 dB/octave)

More Info:

• preamp and speaker-level inputs
  • DC offset sensing turn-on with speaker-level inputs
• Radio-Detect circuit supplies speaker load for receiver to sense
• wiring, fuse, and hardware not included with amplifier
  • 8-gauge power and ground leads and a 60-A fuse recommended
• dimensions: 8-3/16"W x 1-3/4"H x 3-11/16"D