FEATURES AND SPECIFICATIONS • Total harmonic distortion: 20Hz~20HKz≤0.1% • Frequency response: 20Hz~20HKz±0.5dB • Signal noise ratio: ≥100dB • Input impedance: 10KΩ • Input level: 0dB • Prowessional stereo power amplifer • Low noise, double fans for forcing cooling and dissipating heat • Power、signal、clip indicator and protection condition indiactions • XLR unbaranced and bal an ced input • Speakon output speakon • With change-over switch of 115VAC and 230VAC 50Hz-60Hz