This Kicker KXM Series 40KXM4004 marine amplifier handles up to 400W maximum power (100W x 4) and features KickEQ boost for booming bass, so you can enjoy robust audio in your boat. The gasket-sealed connections and control cover guard against moisture.

Kicker - KXM Series 400W Class D Bridgeable Multichannel Marine Amplifier - Gray/Black

$349.99

This Kicker KXM Series 40KXM4004 marine amplifier handles up to 400W maximum power (100W x 4) and features KickEQ boost for booming bass, so you can enjoy robust audio in your boat. The gasket-sealed connections and control cover guard against moisture.