Product Name: Car AmplifierModel Number: S-892Place of Origin: ChinaFeatures: 1) RMS power output at 4 ohm: 80W x 4 ch1, 2 ohm: 125W x 4ch 2) At bridge: 200W x 2ch 3) S/N ratio: 98dB 4) Frequency response: 20 ~ 40kHz 5) Total harmonic distortion: 0.05%