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The ART MX622BT Six Channel Stereo Mixer with Bluetooth and Effects Loop is a versatile single high rack mixer combining three balanced microphone or line level inputs with three stereo line inputs plus a stereo Bluetooth input into a single stereo line level mix. Each mono balanced XLR input includes fully variable Input gain, Mic/Line switch, Clip indicator, and selectable 15 Volt Phantom power.

Three stereo line level inputs are also provided via RCA type jacks with separate Level controls for each stereo pair. The front panel also has a 1/8-inch input for portable audio devices. The Bluetooth input supports Bluetooth 5.0 and has its own level control and Pairing/ ON/ OFF switch.

An external effects loop section provides a mono Send from the three Mic/Line channels to external equipment and stereo Returns with Ef- fects Level and In/Out switch. Stereo Record output RCA jacks provide full-level signal of the entire mix at all times. Main outputs are stereo balanced 1/4-inch TRS with Master Level and full range Bass/Treble equalization. The built-in power supply and single high 19-inch rack mount format allows for easy installation and reliable operation.

Key Features

  • Bluetooth 5.0 receiver
  • Three balanced XLR inputs with separate Mic/Line switch, Level control and Clip Indicator
  • Three pairs of RCA stereo inputs with separate Level controls
  • Selectable 15 Volt Phantom power for each Mic channel
  • Balanced ¼-inch TRS Main outputs with Master Level control
  • Versatile Bass and Treble equalization on Main outputs
  • Front TRS stereo 1/8-inch Input jack
  • Stereo Record Out RCA jacks
  • Effects Loop with Effects Level control and In/Out switch
  • ¼-inch Effects Send with stereo Returns
  • Internal power supply
  • Solid metal case


  • Input Connections
    • XLR-F balanced (3)
    • 1/4-inch unbalanced (2)
    • RCA (6)
    • 1/8-inch balanced (1)
  • Output Connections
    • 1/4-inch TRS balanced (2)
    • 1/4-inch unbalanced (1)
    • RCA (2)
  • Input Impedance
    • 600/22K Ohms Mic/Line XLR inputs
    • 10K Ohms RCA inputs
    • 22K Ohms 1/4-inch EFX Returns
  • Output Impedance
    • 50 Ohms 1/4-inch Main outputs
    • 1K Ohms RCA Record outputs
    • 100 Ohms EFX output
  • Maximum Input Level
    • -10dBu/+20dBu Mic/Line XLR inputs
    • +20dBu RCA line inputs
    • +20dBu EFX inputs
  • Maximum Output Level
    • +24dBu balanced Main outputs
    • +20dBu RCA Record outputs
    • +20dBu EFX output
    • Note: 0 dBu = 0.775Vrms
  • Phantom Power -  +15 Volts DC, regulated low noise
  • Maximum Gain -  56dB/26dB Mic/Line, 26dB RCA inputs
  • Signal to Noise Ratio -  >90dB typical
  • THD -  <1% typical
  • Equalizer Range -  +/-12dB @ 100Hz & 10KHz
  • Bluetooth -  v5.0, up to 30M range, Class 2 device
  • Power Requirements -  105 to 125 VAC / 50-60Hz, 15 Watts typical.
  • Dimensions (HWD, inches) -  1.75 x 19.0 x 6.0
  • Dimensions (HWD, mm) -  45 x 483 x 152
  • Weight -  6.2 lbs. (2.8kg)
  • Box Dimensions (HWD, inches) -  3.5 x 21.3 x 10.6
  • Box Dimensions (HWD, mm) -  90 x 570 x 270