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Rolls MX124
ProMix IV Field Mixer

OUR PART #:  MX124

The MX124 Pro-MixIV mixes 4 microphones into two transformer balanced outputs.
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Our Price: $150.00
List Price: $200.00
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Rolls MX124
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The MX124 Pro-MixIV mixes 4 microphones into two transformer balanced outputs. It has 4 XLR inputs, each with individually switchable phantom power, and low-cut switches, a level control, and a pan control. A 1/4 inch aux/headphone output has been provided along with a clip indicator, power indicator, and power switch. The unit is also powered by two 9-Volt alkaline batteries.


  • Mixes four microphones to stereo XLR outputs.
  • Output level controls for mic or line-level output.
  • Transformer isolated outputs.
  • Phantom Power and Low-Cut switches for each Mic input
  • Battery and AC powered.
  • 1/4" and 1/8" TRS stereo Phone/Aux Outputs


  • Input Impedance: 600 Ohms
  • Output Impedance: XLR 600 Ohms
  • THD + Noise: .02%
  • S/N Ratio: 84 dB
  • Frequency Response: 25 Hz - 16 kHz (+0 / -3 dB)
  • Max Output Level: + 14 dB
  • Max Input Level: -14 dB
  • Max Gain: +55 dB
  • Low Cut: -3 dB @ 100 Hz
  • Current Draw: 30 mA
  • Phantom Power: +18 VDC
  • Connectors: 4 Female XLR, 2 Male XLR, 1 1/4" TRS, 1: 1/8" (3.5mm)
  • Power: 9V alkaline batteries X 2, DC Power Jack (5.5 X 2.1 mm tip negative) for Rolls PS27 (included)
  • Size: 6.3"w x 3.7"d x 2.3" h
  • Weight: 1.5 lbs.

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