The Black & Blue is a simple, mono input-selector/mixer/amplifier with (3) discreet channels of Bluetooth, 3.5mm line input, and USB computer link for playback or recording. Inputs can be selected for monitoring individually, or all inputs mixed at once.

application examples are...

meeting rooms (Bluetooth a head worn mic, computer program through USB, XLR line out to powered speakers). (unit in mixer mode for mixing sources)

coffee bar (Bluetooth a mobile device, Bluetooth B is TV audio, Bluetooth C is barista head worn mic for calling orders...Amplifier out to full-range speakers and XLR out to subwoofer. (Unit in mixer mode for mixing sources)

trade show (Bluetooth a is tablet streaming music, Bluetooth B is presenter head worn mic...Xlr out to powered speaker, and USB out streams to laptop computer to record the presentation. (Unit in mixer mode for mixing sources).

RANE Commercial Black & Blue - Bluetooth Mixer