Click to enlargeCOMTEK M-175 Transmitter

The M-175 personal transmitter is a professional quality, compact body-worn transmitter designed for reliable one-way remote communication. This transmitter incorporates the latest digital and analog technologies to produce high quality sound with low residual noise, wide dynamic range, and extended frequency response for the most natural sound possible.

The aux input on the M-175 allows earphone level audio signals for portable media players to be transmitted. When aux input signal is present with the mic On/Off switch turned On, the aux input signal attenuates 6 dB to prioritize the speaker’s voice.

Compatable with the PR-75 AutoSmart-Tuning Receiver

Audio Input:
  • Microphone input impedance for electret type microphone - 3k Ω  
  • Aux/Line input impedance - 10k Ω at 0 dB nominal

  • Microphone - Micro-mini 2.5 mm mono (locking or non-locking)
  • Auxiliary - Mini 3.5 mm Stereo
  • Audio - Tip and Sleeve
  • Battery Charging - Tip and Sleeve
  • External 9V power - Ring and Sleeve

    Controls and Indicators:
  • Synthesized channel selection switches
  • Power On/Off switch
  • Microphone On/Off switch
  • Audio input gain control
  • Modulation voice level indicator

    Antenna System: Body-worn microphone cord or whip antenna plugged directly into microphone connector when auxiliary input is used

    Frequency Response: 80 Hz to 10 kHz

    Modulation: 10 kHz deviation companded

    R.F. Power Output: 40 mW to the antenna system

    Out-of-Band Emissions: Better than 50 dB below carrier

    Weight: 4 ounces (110 grams)

    Dimensions: 1 1/6” x 2 1/2” x 3 1/4” (27 mm x 57 mm x 83 mm)

  • 9 V alkaline for up to 14 hours of operation
  • 9 V NIckel-Metal Hydride rechargeable for up to 7 hours of operation

    Current Drain: 17 mA constant current

    Part# M-175

    Availability: Usually ships in 2-3 business days

    COMTEK M-175 Transmitter
    M-175Regular price: $800.95Ergoguys price: $704.95
  • For CLEARANCE items click here

    ** If you don't find the item your looking for contact us. We're here to help.:**

    **30 Day Money Back Guarantee.**


    Write to Ergoguys Page layout and design and Ergoguys name and logos Copyright© 2016 Ergoguys LLC®. All product names are copyright or trademarked by their respective owners.

    Ergoguys accepts Purchase Orders from Educational Institutions, Libraries and Governmental bodies. Please fax us at 602-296-7192. For more information please contact sales.

    Click to verify BBB accreditation and to see a BBB report.

    Ergoguys LLC BBB Business Review