Portable Battery-Powered Mixer for Gigs: 4 Onyx Mic Pres: 2 XLR-1/4' Combo, 2 XLR 1/4' TRS Inserts on Channels 1 to 4: Stereo Line Input on Channels 5 to 10 Compressor and Hi-Z on Channels 1 to 2: 3-Band EQ Control with 100 Hz Low Cut 24-Bit / 192 kHz 2x4 USB Audio Interface: Bidirectional Bluetooth with Mix Minus GigFX with Color LCD Display for Control: 8-Hour Rechargeable & Swappable Battery