Polk Audio Dsw Pro 550Wi Dsw Pro 550Wi Subwoofer Am5535-A
This compact, weather-proof marine amplifier includes a built-in AM/FM tuner and provides a total 30W digital output power. Connect your iPod, MP3 player or other audio source directly to this amp and enjoy music in any marine environment. It's also perfect for listening to outdoor speakers without interfering with interior speaker set-ups.
Polk Audio Dsw Pro 440 Wi Dsw Pro 440Wi Subwoofer Am4435-A
This is a nice Magnavox MX931B Audio Video Surround Receiver.