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RCF M 20X Digital Mixer 20 Input Channels 90-240V

Designed for Audio Professionals


Here’s What RCF Say About the M 20X Desktop Digital Mixer

M 20X is a fully recallable mixer, with 16 remote controlled preamps and 11 motorized faders. Despite its dimensions, the M 20X packs a whole suite of capabilities, such as high-profile preamplifiers, top of class DSP with studio-quality processing, WiFi remote control and a comprehensive set of multitrack recording and playback functions. The mixer offers a total of 20 analog inputs and 14 output channels, between the balanced analog outputs and the AES/EBU digital output.

RCF M 20X Digital Mixer

M20 MixRemote App

Complete remote control of all M 20 models is available with M20 MixRemote, a dedicated App developed for both iOS and Android.

Enhanced FX Engines

Four buses are dedicated to internal FX engines, arranged as two high-quality digital-reverbs, a programmable delay and a fourth FX which can be configured as delay or modulation. All FX engines offer multiple algorithms to match the specific needs of a show. It is possible to reserve one reverb for some inputs and use the second reverb as a general-purpose FX for other sources.

Record & Playback

All 20 inputs can be recorded in multitrack WAV format on the local SD card, and played back as channel inputs, no computer required. A 24-track, 24-bit, 48-kHz low-latency USB audio interface is available and allows access to all inputs and several internal signal nodes. Extensive routing options allow both offline soundcheck and host-based effects processing. A flexible stereo file player can access USB mass storage devices (up to four different drives), with arbitrary sample rate, in MP3, WAV, and AIFF formats.


  • Operate using remote control through WIFI/LAN using the MixRemote app (compatible with iOS & Android).
  • AES digital output.
  • User interface features a sizeable 5" touchscreen.
  • 11 intuitive motorised faders.
  • 24-bit/48kHz, 24 x 24 channel USB audio interface.
  • 20-tracks sd card record/play
  • 12 well-balanced outputs & phones.
  • 20 analog inputs.
  • 4-line inputs.
  • 16 mic preamps.



  • Weight: 7.9kg
  • Dimensions (H x W x D): 131mm x 388mm x 428mm
  • Metal Casing


  • Power Supply: Internal
  • Power Consumption: 65 W
  • Voltage Requirements: 100 V – 240 V

Control Interfaces

  • LAN Port: 1000-BaseTX for Remote Control
  • MIDI Interface, WiFi Dongle
  • USB Ports: 2 Type A

USB Drive Play/Rec

  • USB Drive Recording: 2 Channels @ WAV, 24-bit, 48.0kHz
  • A/D-D/A Conversion: 16-bit @ 44.1, 48.0, 88.2, 96.0kHz
  • A/D-D/A Conversion: 24-bit @ 48.0kHz
  • USB Drive Playback: 2 Channels @ WAV/MP3/AIFF, 16-bit, 44.1, 48.0, 88.2, 96.0kHz


  • SD Multitrack Format: WAV, 24-bit, 48.0kHz
  • A/D-D/A Conversion: 24-bit @ 48kHz
  • Playback: 20 Channels
  • A/D-D/A Conversion: 24-bit @ 48kHz
  • Downstream: 24 Channels
  • Number of Tracks: 20
  • Recording: 20 Channels
  • USB Audio Interface Format: WAV, 24-bit, 48kHz
  • Upstream 24 Channels


  • Internal FX: 4
  • FX1: Reverb (Ambience, Plate, Room Hall)
  • FX2: Reverb (Ambience, Plate, Room Hall)
  • FX3: Delay (ER, Dual, Vintage, Modern, Stereo)
  • FX4: Modulation (Tremolo, Flanger, Chorus)

Output Processing

  • Delay: 250ms
  • GEQ: 30 Band
  • PEQ: 8 Band
  • Compressor/Limiter: with Gain Reduction Meter
  • Mix Out: [1÷8]
  • Delay: 250ms
  • PEQ: 8 Band
  • Compressor/Limiter: with Gain Reduction Meter
  • Real Time Analyser: Yes
  • Delay: 250ms

Input Processing

  • Source Selector: Yes
  • Polarity: Yes
  • High Pass Filter: Yes
  • Delay: 100ms
  • Gate: with Gain Reduction Meter
  • PEQ: 4 band
  • Compressor/De-Esser on Inputs: 1÷16 (with Gain Reduction Meter)


  • Signal Processing: 32-bit Floating Point
  • Headroom: 20dB
  • A/D-D/A Conversion: 24-bit @ 48kHz
  • Buss: 16


  • Main Out (Balanced XLR): 2
  • Output Impedance: 50 Ohm
  • Maximum Output Level: 24 dBu
  • Mix Out (Balanced XLR): 8
  • Mix Out (1/4 TRS): 2
  • Output Impedance: 150 Ohm
  • Maximum Output Level: 24 dBu
  • Phones (6.8mm Jack Stereo Line): 1
  • Output Impedance: 50 Ohm
  • Maximum Output Level:  18 dBu
  • AES3 (XLR): 1


  • Mic (Balanced XLR): 8
  • Remote Controlled Storable Gain: Yes
  • Mic Input Impedance: 3.3 kohm
  • Maximum Input Level: 18 dBu
  • Phantom Power +48V: Yes
  • Mic/Line (XLR/TRS Combo): 8
  • Remote Controlled Storable Gain: Yes
  • Gain Range (All 8): 0 dB ÷ 60 dB
  • Mic Inputs Impedance (XLR): 3.3 kohm
  • Line Inputs Impedance (TRS): 12.8 kohm
  • Maximum Input Level (XLR): 18 dBu
  • Maximum Input Level (TRS): 29 dBu
  • Phantom Power +48V: Yes
  • Balanced Line (1/4 TRS): 2
  • Gain Range: 0 dB ÷ dB
  • Line Inputs Impedance (TRS): 18 kohm
  • Maximum Input Level (TRS): 18 dBu
  • Stereo Line (3.5mm Jack): 1
  • Gain Range: 0 dB ÷ dB
  • Line Inputs Impedance (TRS): 15 kohm
  • Maximum Input Level (TRS): 18 dBu


  • Frequency Response: 20 Hz ÷ 20 Hz
  • THD+N, 0dB Gain, OBDU Out: < 0.02% A-Weighted
  • Dynamic Range, Analog to Analog: 109 dB A-Weighted
  • Residual Noise Level, Main Out, Muted: -85 dBu A-Weighted
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