Chord NU4-BT Replacement Beltpack Transmitter for NU4 Systems


This product has been discontinued, but we can recommend compatible replacement parts.

The Chord NU4BT is a Replacement Beltpack Transmitter for Chord NU4 Wireless UHF Systems. The transmitters are colour coded which makes it easy to identify which microphone you need to replace.

Red is 864.8MHz, Green is 864.3MHz, Blue is 863.42MHz, and Yellow is 863.1MHz. The replacement beltpack does not include a replacement microphone, compatible units can be found here.


  • Range: Up to 60m
  • Power Supply: 3Vdc (2 x AA batteries, not included)
  • Carrier Rrequencies: 864.8MHz, 864.3MHz, 863.42MHz, or 863.1MHz
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