RMS Power RatingRMS Power (2Ω):  200 W X 4  RMS Power (4Ω):  120 W X 4  Bridged (mono 1Ω): N/ABridged (mono 2Ω): N/ABridged (mono 4Ω): 400W X 2 (4Ω ONLY)TypeTopology: Full Range Class DPower SupplyPower Supply: Full PWMPower Supply Threshold: 10.0VDC-17.0VDCIdle Current: (0.7A)DistortionTHD (1KHz@4Ω) : 0.07%S/N Ratio(A weighted@1W): -77.4dBAS/N Ratio(A weighted@FP): -97.4dBAInput SensitivityLow Input Level: 0.2mV-10.0VHigh Input Level: Yes - Up to 25W RMSInput ImpedanceLow Input Level: 22 KΩHigh Input Level:Output StageOutput Impedance: 0.047Ω Damping Factor (50Hz@4Ω): >250Bandwidth (-3dB): 10Hz-35KHzCrossover(@12dB per Octave)Variable High-Pass: 40Hz - 400Hz Variable Low-Pass: 40Hz - 400HzVariable Sub-Sonic: N/ARecommended Fuse RatingATC: N/ADimensionsLength x Width x Height (Inches): 9.3 x 5.27 x 1.75Length x Width x Height (mm): 237 x 133.9 x 44.5