This powered mixer is in pristine condition with the original front and back cover . Key Features and Specifications: Channels: 8 input channels total, typically featuring 6 mic/line channels and 2 dedicated stereo channels (channels 7-9). Power: 400 Watts total power (2 x 200W), making it suitable for smaller PA applications. Effects: 16-bit, Deltafex™ DSP-based stereo reverb/effects with dedicated send controls. EQ & Monitoring: Two 9-band graphic EQs, with a "Feedback Ferret" automatic feedback reduction system on some models (XR684F). Channel Controls: 3-band EQ, monitor send, effects send, and gain/pad controls. Flexibility: Can operate as a stereo mixer or in Main/Monitor mode, allowing one amp for monitors and the other for mains.