Pump up the audio in your ride with this Alpine Next Generation S-Series four-channel car amplifier. Delivering 60W per channel, or 180W to a subwoofer and 60W to two channels, this amplifier is extremely versatile. The compact size provides mounting versatility. This Alpine S-Series four-channel car amplifier automatically reduces output when it senses overheating risks. | Alpine | | S-Series Class D Bridgeable Multichannel Amplifier with Variable Crossovers | Black | Best Buy