MTX TR450 picture


Premium active high-level speaker inputs to line-level RCA outputs processor with automatic remote out, EBC remote control and Smart Digital Bass Restoration (re-Q)


The re-Q is the most qualitative and complete tool to upgrade your factory head-unit into a wonderful sound quality after market radio. Nothing is missing : two stereo 10V RCA outputs, an EBC remote control, an automatic remote and the re-Q that restores the bass removed by the car manufacture. And of course, the sound quality remained our first concern during the developement.


  • Turns your factory radio into a high-quality after market head-unit
  • Four 10V RMS RCA outputs with EBC on the sub outputs
  • Auto turn-on with Remote out to switch everything on and off
  • Smart Digital Bass Restoration (re-Q) to bring back the bass removed by the car manufacturer to protect their poor quality factory speakers


  • High-level inputs to line-level outputs processor
  • re-Q processor: smart digital bass restauration
  • Two channel speaker inputs (left+right)
  • Speaker inputs can accept up to 440W RMS
  • 4x 10V RMS RCA outputs with level controls
  • The 4 RCA outputs are wide range (No filter)
  • Subsonic filter @28Hz on the 4 RCA outputs
  • EBC (external bass control) on the subwoofer RCA outputs
  • Auto turn-on feature
  • Auto turn-on Remote Output to control the other devices in the system
  • Total Harmonic Distortion : >0.01%
  • Signal to Noise: >112 dB
  • Frequency Response: 20Hz-80kHz ±0.5dB
  • Dimensions 168x90x28mm (feet included)

Side Panels



MTX wants you to enjoy your hearing for a long time. Excessive exposure to loud volumes can damage your hearing. The United States Department of Labor recommends not exceeding the following recommendations.

  • 90db : maximum 8 hours/day
  • 92dB : maximum 6 hours/day
  • 95db : maximum 4 hours/day
  • 97db : maximum 3 hours/day
  • 100db : maximum 2 hours/day
  • 102db : maximum 90 minutes/day
  • 105db : maximum 60 minutes/day
  • 110db : maximum 30 minutes/day
  • 115db : maximum less than 15 minutes/day
  • 120db : immediate danger, 0 minute/day

Installation Diagram


Picture Gallery


Test MTX re-Q @Car&Hifi

Click on the pictures to enlarge...

"The re-Q is a clever little box that helps to operate amplifier and active subwoofer on the factory radio"

"The re-Q is a well equipped high-low converter"

"The re-Q is a luxurious model with very good workmanship and equipment"

"The re-Q includes a highly welcome automatic switch-on"

"The re-Q also has a pretty rare function: It can recovers lost bass"

"The re-Q reverses exactly this loss of bass by adding an adjustable bass boost to the signal"

"The re-Q gently mixes back the additional bass as the volume increases, which is sonically fitting and correct"

MTX around the world

MTX - Mitek Europe

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Tel : +33 1 42 28 72 52 -
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