Poly-Planar Power Amp 4 Channel X100 PPL-ME400

Four Channel, marine grade amplifier provides 400 watts of crisp, clean audio power. The amplifier can be easily configured to enhance your listening pleasure. Both crossover circuits and high pass and low pass filters are fully adjustable so you can power your subwoofer as well as your standard speakers.
Size 16-3/8" L x 9-1/2" W x 2-1/4" H