Package: Peavey PV 10AT PV10AT Mixer With 4 Mic In, Bluetooth, USB, Compressor/Effects + 2 Channel AutoTune + M-Audio M40 On-Ear Studio Monitoring Headphones Peavey PV 10AT PV10AT Mixer,4 mic in,Bluetooth/USB,Compressor/Effects+AutoTune. 2 Channels of Antares Auto-Tune. Global 48 Volt Phantom Power. Dual Selectable Control Room Outputs. 2 Channels of Compression High Impedance Guitar Preamp. 4 Direct Outputs for Recording. Channel Mute Buttons. 4 Channels of Reference-Quality Mic Preamps Master Level LED Meter Bridge. USB to PC for Recording and Playback. Precision 60mm Faders On Stereo Master Outputs. Built-in Digital Effects with LCD Display M-Audio M40 On-Ear Studio Monitoring Headphones. Studio-level performance and accurate sonic imaging. Lightweight and durable on-ear design. Flexible, adjustable steel headband Plush ear cushions for extended comfort. Matte-black soft-touch finish. 6' (1.83m) headphone cable included