With Compressor Four mixer formats from 6 to 12 input channels Main, control room and headphone outputs Effects send and return Musical 3-band EQ Tape in and out 10 Hz ? 45 kHz frequency response 24-bit digital effects with up to 100 presets Built-in compressor (VIBZ 8, 10 & 12) Mic stand mounting adapter available as accessory (for VIBZ 6, 8 and 10)