Product Features
· 14 input channels: 8 MIC/Line balanced inputs, 2 RCA inputs, 1 stereo 3.5mm input, 1 Bluetooth/USB input/SD card input.
· 8 balanced line outputs.
· DSP Processing: 28/56-bit Sigma DSP chip, 48kHz sampling rate, 24-bit AD/DA conversion.
· Microphone channels: +48V phantom power; microphone and line input gain switching; microphone input sensitivity adjustable.
· Input channel processing: low-cut filter, parametric EQ, noise gate, gain, mute, phase adjustment, link control, and volume group adjustment.
· Output channel processing: crossover, parametric EQ, gain, mute, compressor/limiter, phase, delay, link control, and volume group adjustment.
· PEQ: gain, bandwidth, and frequency continuously adjustable; multiple EQ types selectable.
· AUX matrix design: input AUX channels 10×8 full-mix matrix; output 8×10 independent full-mix matrix freely assignable to any channel.
· Filter selection: input low-cut and output crossover filters selectable as Butterworth, Linkwitz-Riley, or Bessel; slope continuously adjustable.
· Noise gate & compressor: input channel noise gate threshold, attack, and release continuously adjustable; output channel compressor threshold, ratio, attack, and release continuously adjustable.
· Stereo music input channels: independent effects processing module with bass enhancement, 3D effect, exciter, and stereo spatial expansion. Switchable stereo dual-mode Bluetooth V5.0 input, OTG (USB 2.0 full-speed) sound card input, SD card/USB playback.
· Output recording channel: independent gain control; any input channel source can be recorded via OTG or USB drive.
· Parameter management: supports linked adjustment and parameter copying across channels; channel names editable.
· Delay: up to 680ms or more.
· AEC & AFC: built-in Acoustic Echo Cancellation and Automatic Feedback Control. Dedicated AUX channels with independent automatic mixing, adaptive notch feedback suppression, professional dual-engine ECHO & REVERB effects, and graphical EQ.
· Built-in test signal generator.
· Front panel: 1.7-inch color LCD showing volume, preset, and menu information. SD card/USB playback with dedicated buttons; USB data control port for PC software connection.
· Rear panel: RS232 & RS485 control ports and network remote control port; one-click network connection for convenient operation.
· Control protocol: supports RS232/network control codes including volume, mute, preset scene recall, parameter query/feedback, and 4-group control of any input/output channels.
· Presets & security: 12 user presets; individually saveable and recallable; password protection.

Technical Specifications
· Frequency response: 20Hz–20kHz, -0.5dB
· Dynamic range: >105dBu
· Total harmonic distortion (THD): <0.008% at 1kHz (0dBu)
· Crosstalk: >80dBu, 20Hz–20kHz

Microphone Input
· Type: Balanced Phoenix connector
· Phantom power: +48V DC
· Gain: 50dBu
· Impedance: 2kΩ

Music Input
·Type: Balanced Phoenix connector
·Maximum input level: +12dBu
·Gain: 35dBu
·Impedance: >10kΩ

Output
· Type: Balanced Phoenix connector
· Maximum output level: +12dBu
· Impedance: <500Ω

Other Specifications
· Power supply: AC 100V–250V, 50/60Hz
· Dimensions (W×D×H): 482mm × 253mm × 44mm
· Weight: 2.6kg