• Four-channel audio mixer with built-in USB interface to computer for recording and music playing applications
• Built-in DSP sound effects processor
• Built-in Bluetooth interface
• Built-in Mp3 player supporting a variety of music formats
• DSP Sound Effects (AMX7321)

Used. Item appears to be in unused, excellent condition See images for item condition. Everything included with the item can be seen in the images.** Tested: Plugged in the mixer and it lit up and nobs are all showing levels as you turn them.**