Specifications Power output: 50 watts per channel into 8Ω (stereo) Power output: 90 watts per channel into 4Ω (stereo) Frequency response: 7Hz to 100kHz Total harmonic distortion: 0.008% Damping factor: 60 Input sensitivity: 2.5mV (MM), 150mV (line) Signal to noise ratio: 94dB (MM), 105dB (line) Output: 150mV (line) Speaker load impedance: 4Ω to 16Ω Dimensions: 430 x 135 x 375mm Weight: 6.8kg Accessories: RM-S312 remote commander