• 20-channel digital mixer (16 mono/2 stereo)
• 22-in/4-out USB audio interface for your Mac, PC, or iOS device (Apple Lightning-to-USB Camera Adapter is required for iOS)
• 22-track 24-bit/96kHz recording directly to an SD card
• Record up to 48kHz to a computer and an SD card simultaneously
• Create customizable, savable headphone mixes for up to 6 band members
• Complete your entire project on the mixer, or transfer all 22 discrete tracks to your DAW for editing and mixing
• 16 combo jacks accommodate both XLR and 1/4″ connectors
• 16 great-sounding mic preamps with phantom power and +60dB of gain
• Channels 1–2 offer hi-Z inputs for your electric guitar or bass
• Channels 17/18 and 19/20 have TRS and RCA connectivity for keyboards and other audio devices
• Each channel features a 3-band mid-parametric EQ and 20 built-in effects
• Channels 1–16 include a dedicated compressor for controlling dynamics
• Channels 3–16 have a -26dB pad for capturing loud sources
• Clear 12-segment LED metering for keeping an eye on your levels
• Save up to 9 scenes and recall your custom settings automatically
• Record automatically when the master fader detects a certain dB level
• Capture data up to 2 seconds before recording starts, in case a performance begins ahead of time
• Built-in slate mic for recording comments or talk back
• Onboard metronome for keeping the band in sync

More information you can find here:                             LiveTrak L-20