Clarion XC1410 300W XC Series Micro 4-Channel Class-D Compact Design Car Amplifier XC Series 4-Channel Class D Car Amplifier RMS Power Rating: 4 ohms: 50 watts x 4 chan. / 2 ohms: 75 watts x 4 chan. Pulse Width Modulated MOSFET power supply Speaker-level (high-level) inputs 3-way protection circuitry (thermal, overload, and speaker short protection)