The ART MX622BT Six Channel Stereo Mixer with BLUETOOTH and Effects Loop is a versatile single high rack mixer combining three balanced microphone or line level inputs with three stereo line inputs plus a stereo Bluetooth input into a single stereo line level mix. Each mono balanced XLR input includes fully variable Input gain, Mic/Line switch, Clip indicator, and selectable 15 Volt Phantom power. Three stereo line level inputs are also provided via RCA type jacks with separate Level controls for each stereo pair. The front panel also has a 1/8-inch input for portable audio device input. The Bluetooth input supports Bluetooth 5.0 and has its own level control and Pairing/ ON/OFF switch. An external effects loop section provides a mono Send from the three Mic/Line channels to external equipment and stereo Returns with Effects Level and In/Out switch. Stereo Record output RCA jacks provide full-level signal of the entire mix at all times. Main outputs are stereo balanced 1/4-inch TRS with Master Level and full range Bass/Treble equalization. The built-in power supply and single high 19-inch rack mount format allows for easy installation and reliable operation.