VAB-1201 Multi-function digital amplifier with Microphone broadcasting with BT docking station stand by for our BT receiver module Table top version or be mountable into your in-ceiling speaker AMPLIFIER UNIT: *Mixer &EQ control *Class D amplifier 2*15Watt(RMS) @ 4 Ohm *35Watt (RMS)@ 8 Ohm over bridge connection *INPUTS: 1 x stereo audio input via 2xRCAs 1 x stereo audio input via 3.5mm jack 1 x microphone inputs via 6.5mm jack *OUTPUTS: 1 x loop via 3.5mm jack with unit link up to 3units(but MIC still independent)or external amplifier 1 x 4-P screw connector for speakers out *3 Selectable speakers output: STEREO/MONO/BRIDGE CONTROL interfaces through IR or RS232 protocol Power requirement; 24V, 2.5A Dimensions: 125mm(L) x 90mm(W) x 45mm(H)- the risen height of BT module included BT RECEIVER MODULE(included): *Support to play back the audio signal from BT-enabled devices such as PC, note book or mobile phone that supporting A2DP profile