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MUTEC MC-4

The MC-4 converts ADAT™, AES3 and S/P-DIF digital multichannel audio signals whereas uni- and bidirectional conversion modes are available. All digital audio signals can be processed up to 192.0kHz including SMUX2 and SMUX4 support for ADAT™conversions with higher clock rates than 48.0kHz. Based on latest FPGA designs, the MC-4 achieves levels of performance regarding its signal quality, unique flexibility and clocking features, which are outstanding in today’s industry!

An enormous feature-set with various operation modes enable the use of the MC-4 in many applications. Generally, incoming digital audio signals are converted unidirectionally to all three audio formats simultaneously, with or without SRC functionality. If clock rate conversion is necessary, the SRC engine can be locked to Word Clock, AES11 (separate input available) and any digital audio input in both, uni- and bidirectional operation modes.

Unique to the MC-4 is its capability to lock two 8-channel digital audio sources with different clock rates and to convert their audio formats and clock rates bidirectionally in realtime with help of the X-SRC mode. Therefore, unlike any product in its category, the unit includes a 16 channel SRC engine as a standard, whereas two audiophil-optimized PLL synthesizers secure best sound quality in all operations modes.


The MC-4 is a high performance digital multichannel audio format and sampling rate converter for ADAT™, AES3 and S/P-DIF.

  • ADAT™, AES/EBU and S/P-DIF interfaces working in one box
  • Format and sampling rate conversions up to 192.0 kHz
  • SMUX2 and SMUX4 support for ADAT™conversions
  • Signal improvement through audiophil-optimized PLL synthesizers
  • Extremely flexible synchronization options
  • Separate AES11 reference clock input for e.g. broadcast use
  • Converts standalone and bidirectionally with different sampling rates: X-SRC
  • 16 channel sampling rate conversion engine (SRC) for bidirectional conversions
  • Continuous signal supply in absence of the reference audio or clock signal
  • Runs standalone in all SRC operation modes without needing an external master clock reference
  • AES11, Grade 1, internal reference clock (0.5 ppm)
  • Word Clock output useable as master clock reference
  • Easy configurable
  • User settings will be stored in FLASH memory after switching-off
  • Rack space saving ½ 19” case allowing for mounting two devices side by side in one rack unit
  • Built-in international power supply