Specifications 1. Model: C266 2. Max Power (2ohm) 1450W*4=5800W Max Power (4ohm) 725W*4=2900w 3. RMS Power (2ohm) 700W*4=2800W RMS Power (4ohm)= 300w*4=1200W 4. THD: <0.02% 5. Sensitivity: 90dB 6. Frequency Response:20Hz~20KHz 7. Operating Voltage: 12V 8. Dimension: 32x24x4.5CM 9. Material: Aluminum Alloy Package Contents: 1*Car Audio Amplifier 1* English User Manual Actual Wattage:1000W