The USB series are compact versatile multi-purpose mixing consoles with a built-in multi-effects processor. The processor offers a broad range of 16 presets includes reverb, chorus, percussion, delay, echo, flanger and other combinations. There are two models available the USB-142 and USB182 with 6 mic 4 stereo and 10 mic 4 stereo channels respectively. There is a USB IO to connect other devices for either play back or recording makes ideal for small and medium sized PA setups in schools, houses of worship, conference/meeting rooms and bars.