Sony DWT-B03R Micro Transmitter

470-608 MHz, 614-616 MHz
Release date:


  • Small, lightweight and robust magnesium body
  • Selectable 2mW/10mW/25mW RF output power
  • 3-pin locking LEMO connector
  • Very high quality wireless audio
  • Low-latency audio as little as 1.2msec
  • Moisture-resistant
  • Approx. 7 hour battery life
  • High density multi-channel operation
  • AES 256-bit encryption
  • Easy, versatile remote control (available separately)
  • OLED display
  • Phase reverse mode
  • User setting memory
  • Setting lock
  • Transmitter/receiver identifying function

Consumer Alert

Starting in 2017, the 617-652 MHz and 663-698 MHz frequencies are being transitioned by the Federal Communications Commission (FCC). Users of wireless microphone devices that operate in any portion of those frequencies must cease operating on these frequencies no later than July 13, 2020. In addition, users of this device may be required to cease operations earlier than that date if their operations could cause harmful interference to a 600 MHz service licensee’s wireless operations on these frequencies. For more information, visit the FCC’s wireless microphone website at or call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC).

Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this 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.