Kenwood P-WD250MRW 10-Inch Marine Subwoofer and Amplifier Package Kac-210mr Mono Amp: 200w Max 80hz Low-pass Filter (12db/octave) Package includes KFC-W250MRW marine subwoofer and KAC-201MR amplifier 200 watts maximum power output Dual 1.5-ohm voice coils Pearl mica polypropylene woofer with rubber surround Power handling: 50-200 watts RMS