Main Display: 6.1″x3.5″ (156mm x 90mm), 7″ high-definition color TFT LCD screen, capacitive touch screen. Channel Guide Screens: 1.44″ color TFT LCD screens, 13 pieces. Lighting: Integrated, embedded, true-color LED with 9 selectable colors, adjustable brightness. Faders: 100mm motorized smart control, precision = 1024 levels, +10dB to -60dB/-∞ fully motorized faders. Audio Inputs: 22 channels: 16 Mic/Line (XLR/TRS combo balanced inputs), 2 stereo Line IN (¼” TRS balanced inputs), 1 stereo USB flash drive or Bluetooth playback. Audio Outputs: 18 channels: 8 MIX bus outputs (XLR balanced outputs) 4 MTRX bus outputs (1/4″ TRS balanced outputs) 1 stereo Main-Out L/R (XLR balanced outputs) 1 stereo USB flash drive recording 1 stereo monitor output (1/4″ TRS stereo jack, 16Ω minimum impedance headphones) Input Channel Processing: Digitally controlled analog gain adjustment, polarity adjustment, 4 position pre-fader/post-fader source selection, 4-band parametric equalizer (PEQ), high-pass filter, low-pass filter, noise gate, compressor/limiter. Output Channel Processing: 15-band graphic equalizer (GEQ), high-pass and low-pass filters, 4-band parametric equalizer (PEQ), compressor/limiter, delay (maximum 500ms). Recording Function: Stereo dual-channel recording, select one set of stereo outputs from Main-L/R and MIX1/MIX2, MIX3/MIX4, MIX5/MIX6, MIX7/MIX8 as the recording source. Grouping: 12 DCA groups (with mute), 8 Mute Groups. User-Defined Faders: 12 user-definable faders, with graphical drag-and-drop editing for a WYSIWYG (What You See Is What You Get) interface. Supports machine startup into the user-defined fader page. Effects: 4 professional effects processors: Chorus, Flanger, Pitch-shift, Reverb, Stereo Delay, with 60 factory presets (FX Presets) and user-friendly custom presets. Presets: Mixer presets: Factory and user presets allow all mixer parameters to be saved internally or uploaded from a USB drive to the mixer. Channel presets: User channel presets can be saved internally or uploaded from a USB drive to the mixer. Scene Modes: 6 quick scene buttons for fast scene 【Save】/【Delete】/【Recall】/【Export】/【Import】. External Control: Digital audio interactive management app for Android or Apple iPad, allowing control of almost all parameters via Wi-Fi for easy remote operation. Wi-Fi: USB Wi-Fi adapter included. Bluetooth: USB Bluetooth adapter included. Sampling Frequency/Bit Depth: 48kHz/24bit Signal Latency: Less than 3.3ms from any input to any output.