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Rolls RM424 Four Zone Mixer, > 75 dB Signal-to-Noise Ratio, 20 Hz to 20 kHz Frequency Response

SKU: ROLRM424 MFR: RM424
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Key Features

  • Get pristine audio with low noise, perfect for critical listening and recording.
  • Fine-tune your sound using the input channels' EQ control for optimal clarity.
  • Enjoy flexible connectivity with the built-in USB interface for easy recording.
  • Power your mics effortlessly with +48V phantom power for studio-quality sound.
  • Expand your sound setup using aux sends to route signals to external effects.
  • Manage multiple zones easily, perfect for restaurants or distributed audio using this mixer.
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Rolls RM424 Specifications

  • Input Connections

    XLR - Mic 1
    XLR - Mic 2
    2 x RCA phono - Channel 2 (1 x L/R)
    4 x RCA phono - Source Inputs (2 x L/R)
    1/8" TRS stereo - Channel 4

  • Input Impedance

    XLR Mic: 600 Ohms balanced
    XLR Line: 10k Ohms balanced
    RCA phono: 10k Ohms unbalanced
    1/8" TRS: 10k Ohms unbalanced

  • Maximum Input Level

    Mic: -30 dB
    Line: +22 dB

  • Phantom Power

    Yes, +48V

  • Output Connections

    4 x XLR

  • Output Impedance

    50 Ohms balanced

  • Maximum Gain

    Mic: 60 dB
    Line: 30 dB

  • Headphone Output

    1 x 1/4"

  • Internal Speakers

    Yes, 1 monitor speaker

  • Remote Control Connector

    2 x euroblock for remote volume on each output zone

  • Signal-to-Noise Ratio

    > 75 dB

  • THD

    < 0.3%

  • IMD

    < 0.3%

  • CMRR

    60 dB

  • Frequency Response

    20 Hz to 20 kHz

  • Power Adapter

    15VDC

  • Dimensions (WxHxD)

    19x1.75x6.5" (48.26x4.45x16.51cm)

  • Weight

    7lbs (3.18kg)

  • UPC Code

    675889042405

About Rolls RM424

The Rolls RM424 Four Zone Mixer combines two paging microphones with two line level source inputs. Each input is switch selected to output to any combination of four zone outputs. The outputs are all balanced XLR connectors, Remote Volume provides each zone with the means for external volume control. The Microphone inputs feature selectable ducking for paging. Front panel speaker makes pre assignment monitoring for each channel possible with individual switching for each channel.

The RM424 is easy for anyone to use from the front, but from the rear it is just complex enough it will fill even the most demanding four zone installation requirements. With the included external power supply the RM424 has just about every approval known to man so you can spec it in almost any installation. The RM424 is the ideal solution for restaurants, offices, night clubs, etc.

Rolls RM424 Features

  • Two Mic Inputs with independent switchable phantom power
  • Two RCA source inputs and one front panel 3.5mm stereo input
  • Four Balanced XLR Zone Outputs
  • Remote Volume for each output
  • Assignable automatic paging

Product Documents

User Manual

Key Features

  • Get pristine audio with low noise, perfect for critical listening and recording.
  • Fine-tune your sound using the input channels' EQ control for optimal clarity.
  • Enjoy flexible connectivity with the built-in USB interface for easy recording.
  • Power your mics effortlessly with +48V phantom power for studio-quality sound.
  • Expand your sound setup using aux sends to route signals to external effects.
  • Manage multiple zones easily, perfect for restaurants or distributed audio using this mixer.

What's in the box:

  • Rolls RM424 Four Zone Mixer
  • PS27s 15VDC 100-240VAC Wall Power Adapter
  • Rolls 1 Year Parts & Labor Limited Warranty