Boost the sound of vehicle door speakers with this KICKER four-channel amplifier. The variable bass boost lets you easily tune the system as desired, and Fail-safe Integration Technology-PLUS provides clear sounds with its noise rejection. This KICKER four-channel amplifier features high-efficiency heat sinks, preventing overheating during long periods of use. | Kicker | | CX 360W Class AB Bridgeable Multichannel Amplifier with Variable Crossovers | Black | Best Buy