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Rolls MX124 ProMix IV Compact 4 Channel Microphone Mixer

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Manufacturer # MX124

Our Stock # ROLMX124

  • 4-channel stereo mixer.
  • 3-pin XLR inputs.
  • Switchable +18V phantom power.
  • Switchable low cut filters.
  • 9V battery power. 
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Rolls’ MX124 4-channel stereo mixer offers powerful functionality and performance inside of a lightweight, portable design. With four included XLR connectors and a 20 Hz - 20 kHz frequency response range, the MX124 features an invaluable degree of flexibility, perfect for home and project studio owners tackling a wide array of projects. The MX124’s durable build helps protect the hardware from a range of bangs, bumps and collisions that so often occur during use.

The MX5124 Pro-MixIV mixes 4 microphones into two transformer balanced outputs. It has three XLR inputs, each with individually switchable phantom power, and Low Cut switches, a Level control, and a Pan control. As mentioned, it has two transformer balanced, XLR outputs. 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


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


4 Female XLR, 2 Male XLR, 1 1/4" TRS, 1: 1/8" (3.5mm)


9V alkaline batteries X 2, DC Power Jack (5.5 X 2.1 mm tip negative) for Rolls PS27 (included)


6.3"w x 3.7"d x 2.3" h


1.5 lbs.

You're reviewing: Rolls MX124 ProMix IV Compact 4 Channel Microphone Mixer