... 40kHzTotal harmonic distortionLess than 0.1% (20Hz-20kHz, half power)Intermodulation distortionLess than 0.1% (60Hz:7kHz=4:1 ... ), Clip limiting (THD ≥ 0.5%)POWER switch ON/OFF mute, DC-fault (Output relay off; Restored automatically), Clip limiting (THD ... automatically), VI limiter (Limit the output, RL ≤ 1ohm)Power supply protectionThermal (Amplifier shuts down automatically; heatsink temp ≥ 100 ...