4-ch power amplifier.Rated power 4Ω (RMS):4×75 WRated power 2Ω (RMS): 4×95 WBridged 4Ω (RMS):2×180 WFrequency response: 20Hz — 20KHzSignal noise ratio: >88dBTotal harmonic distortion: <0.15%Sizes: 330 x 218 x 47 mm