MB Quart DA2-520.4D Discus 4-channel amplifier — 90 watts RMS x 4

Product info:

• • 2-channel amplifier
    • 150 watts x 2 at 4 ohms
    • 250 watts x 2 at 2 ohms
    • 500 watts x 1 bridged at 4 ohms
  • variable high-pass filter: 15-300 Hz, 12 dB/octave
  • variable low-pass filter: 50-300 Hz, 12 dB/octave
    

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 amp wiring kit with fuse or 4-gauge power and ground leads with a 60-amp fuse recommended
  • dimensions: 10.65"W x 2.07"H x 3.94"D
  • warranty: 1 year