MTX TX669C picture


TX6 Coaxial speakers Ø16x23cm 6x9" 2-way 120W RMS 835W Peak 4Ω with aluminum frame, Ø35mm TSV TIL voice coil and Ø28mm silk dome neodymium tweeter


The MTX TX669C (6x9" 2-way coaxial 4Ω 120W RMS 835W Peak) are high-end coaxial speakers. They can handle a huge power and you can't imagine the sound quality they can produce. They are equipped with the very best: MTX aluminum frame for optimal rigidity, pressed paper membrane for more musicality, detail and warmth, giant magnet for incredible power handling, extra-large 35mm diameter TSV TIL voice coil for all-round detail and power handling thanks to improved cooling, phenomenal neodymium magnet tweeter and 28mm diameter silk dome for smooth, dynamic sound , rubber suspension to handle the large deflections.
The TX669C shines with exceptional construction. Its sound quality is breathtaking (It is at the level of TX8). Its price remained at the TX6 level.


  • Exceptional construction and sound quality, Esoteric hifi level ...
  • Treated paper cone coated with glass particles for more musicality
  • Top level TSV TIL 35mm voice coil for efficient cooling and a large power handling
  • Extra large strontium magnet (110x60mm) for better control and more power handling
  • Die-cast aluminum frame for more rigidity and less vibration
  • Exceptional Ø28mm neodymium silk dome tweeter for more details
  • Soft and musical listening with a very deep, precise bass and a detailed midrange


  • 2-way coaxial speakers
  • Diameter: 16x23cm 6x9"
  • Peak power: 835W 3000 cycles
  • RMS power: 120W
  • Sensitivity: 95.5dB/2.83v/1m
  • Impedance: 4Ω
  • Response: 20Hz - 28000Hz
  • Depth: 84mm
  • Ø28mm silk dome tweeter
  • Grils included

Recommended efficient associations

RFL4120 RFL5300 TX480D TX2275 TX2450 amplifiers


  • Best results with RFL4120 or RFL5300 class-AB amplifiers (those using Sanken grade Hifi transistors).
  • Best used at the back. For the front, the TX665S or TX650S will be perfect.
  • Its clarity and power handling allow it to be combined with one or two 30cm 12" or 38cm 15" subwoofers.


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 minutes / day



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