JVC KS-AX3205D DRVN 5-Channel Class D Power Amplifier with 1,000W Max Power Output Operation Channel: [4CH PART] 4, 3, or 2. [MONO PART] 1, Maximum Power Output: 1000W, RMS Power Output: [4CH PART] 50W x 4 into 4 ohms at 20 - 20,000Hz, 65W x 4 into 2 ohms at 20 - 20,000Hz , 130W x 2 into 4 ohms at 20 - 20.000Hz Bridged. [MONO PART] 200W x 1 into 4 ohms at 20 - 200Hz, 300W x 1 into 2 ohms at 20 - 200Hz Frequency Response (+0, -3dB): [4CH PART] 5 - 30,000Hz. [MONO PART] 20 - 200Hz Total Hamonic Distortion: [4CH PART]&lt; 0.04% at 4 ohms, 1,000Hz[MONO PART]&lt; 0.08% at 4 ohms, 100Hz MOS-FET Power Supply & MOS-FET Output Stage: Yes