Hear Technologies Freedom Back Transmitter - Band B


Freedom Back is a high quality UHF wireless Stereo in-ear monitor system designed to replace loud, bulky and unsightly stage monitors while allowing the talent the freedom to move about the stage. It is a perfect companion to our highly successful Hear Back personal monitor mixer system and the acclaimed Mix Back matrix monitor mixer.

This is the receiver only, for a Freedom Back system. (You need to have the tranmitter to use it). Freedom Back is available in UA and UB bands making it possible to utilize numerous units on a stage at one time. Band A operates from 584 – 608 MHz and band B operates from 655 – 679 MHz. With 120 channels per band, the user will be able to select frequencies that will not be subject to local TV station interference even after the impending FCC changes!

Transmitter Features:

  • 120 digitally selectable UHF channels
  • Up to 10 transmitters may be used in the same space, depending on local UHF interference
  • Stereo or Mono switch on the rear of the transmitter
  • Back-lit LCD display of Frequency, audio level, group and channel
  • XLR and 1/4 " combo input connectors
  • Built-in automatic Limiter
  • Stereo headphone or in-ear monitor Jack with volume control
  • PAD switch attenuates signal by 12 dB
  • External whip Antenna can be front mounted with included rack ears and extension cable


  • Transmitter
  • Max Audio Input Level: +6 dBV, +18 dBV with -12dB PAD engaged
  • Gain Adjustment Range: 60 dB
  • Input Impedance: 10 K Ohms Unbalanced, 20 K Ohms Balanced
  • Physical
  • Dimensions: 1.5" H x 8.35" W x 3.78" D (38mm H x 212mm W x 96mm D)
  • Weight: 1.34 lbs (0.6 kg)
  • Power Requirements: 12-18 VDC at 300 mA, supplied by external power supply
  • XLR Input: Balanced: Pin 1 = Shield Pin 2 = + Audio Pin 3 = - Audio
  • TRS Input: Tip = + Audio Ring = - Audio Sleeve = Shield

  • Add to Cart:

    • Model: Transmitter - Band-B
    • Manufactured by: Hear Technologies

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    Most users do not need a license to operate a wireless microphone system. Nevertheless, operating a microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888- CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCCs wireless microphone website at www.fcc.gov/cgb/wirelessmicrophones.