JVC KSAX3204 4-Channel 800 Watts Amplifier Maximum Power Output of 800W Continuous Power Output: 60W x 4 at 4 ohms, 90W x 4 at 2 ohms, 150W x 2 (Bridged mode) at 4 ohms 4, 3, or 2-Channel Operation Class-AB Circuit MOS-FET Power Supply