Alpine BBX-T600 2 Channel Car Audio Amplifier 70W RMS x 2 at 2ohms / 50W RMS x 2 at 4ohms Features Amplifier Type: Class-A/B Channel Design: 2/1 Channel Thermal Control: Thermal Management Control Power Supply: DC-DC PWM Power Supply Power Supply Design: MOSFET Power Current Protection: Over-Curren..