Features: 1) 5.1ch input for external decoder 2) Left, center, right, rear left, rear right and SW channel volume individual adjustment 3) 8 surround programs 4) Can adjust microphone treble and bass, feedback, echo and delay time; use remote controller to adjust all microphone parameter 5) Four-way analog audio input, one-way super tone subwoofer line output 6) Fully functional remote control 7) Stereo mode: 100W +100W, (6Ω RMS) 8) Five-channel power amplifier: 2 x 80W + 3 x 60W (6Ω RMS) 9) VFD display 10) Mic input sensitiveness: ≥5mV 11) Mic input impedance&ge: 600Ω 12) Signal to noise ratio: ≥85dB 13) Dimensions (L x W x D): 430 x 400 x 139 mm 14) Carton size (L x W x D):430 x 495 x 190mm 15) Gross weight: 11.5kg