Easy-to-use effects engine with 99 adjustable presets | Includes delay, reverb, and modulation options for polished sound Built-in Bluetooth receiver | Stream music wirelessly and control volume independently USB MP3 player and recorder | Play audio files directly and record your main mix to USB storage Multiple input options including balanced XLR and jack | Connect microphones, instruments, and line sources effortlessly 3-band EQ on each channel | Shape your sound precisely with high, mid, and low controls