12 Channel Mixer. Built-In Effects. USB/SD Player and Bluetooth. 16 Effects DSP. 48V Phantom Power on Microphone Channels. Rack Ears Supplied SeparatelyPower Supply: 100-240Vac- 50/60Hz Mic Inputs: 8 Line Inputs: 10 (8 Mono & 2 Stereo) USB Inputs: 1 Dimensions: 330 x 392 x 92mm Weight: 5.2Kg. The Audiophony MPX12 is a 12 channel stage mixer is ideal for school PA systems and small bands. There are 8 mono input channels- these have two types of socket; Jack and XLR. The XLR sockets are suitable for balanced microphone levels whilst the jacks are suitable for mono line level. Management of the dynamics is easy thanks to one pot compressor for each microphone input. Furthermore each input channel also benefits from a 3 band EQ- AUX send- FX control and pan adjustment. The 9/10 and 11/12th channels are used for stereo signals from any suitable audio device. You will also find a built-in effects processor with 16 different settings including; Echo- flanger- chorus and delay. The media player is capable of playing backing tracks via Bluetooth- USB stick and SD card. All-in-all a well thought mixer that eliminates unnecessary and unused features- for straightforward & effective use. Rack mount brackets can be purchased separately.. audio mixer-stage mixer