Upgrade your sound system with this compact Kenwood Marine Motorsports 4-channel amplifier. It delivers 400W total power for crisp, clear tones, and the conformal-coated circuit board keeps out moisture and salt for safe use in both land and water vehicles. This compact Kenwood 4-channel amplifier is easy to install in tight spaces for added versatility. | Kenwood | | 400W Class-D Bridgeable Multichannel Compact Marine Motorsports Amplifier with Variable Crossovers | Gray | Best Buy