Clarion XH7110 Mosfet Power Amplifier: * Maximum Power Output: 850W * Power: 4 ohms, 450W * Power: 2 ohms, 850W * Input Voltage Selector (I.V.S) sensitivity control * Precise Frequency Selector (P.F.S) crossover control * Adjustable subsonic filter * Mosfet power supply * 2-ohm stereo stable * 1-ohm mono stable * Variable bass boost * Gold-plated connectors * Speaker level input