BHI NEDSP1901-KBD Noise Eliminating Module


This compact retrofit module utilizes advanced DSP technology to deliver up to 40 dB of noise cancellation, ensuring crystal-clear speech signals. With 8 filter levels, LED indication, and onboard controls, customizing your audio has never been easier.


Introducing the NEDSP1901-KBD Noise Eliminating Module, a game-changer in the realm of low-level audio DSP noise cancellation. Designed as a direct replacement for its popular predecessor, the NEDSP1061-KBD, this retrofit module is engineered to fit seamlessly into a wide range of transceivers and radio receivers.

Experience crystal-clear speech signals like never before with the latest BHI DSP noise cancelling technology packed into this pre-wired module. Boasting an impressive 40 dB of noise cancellation capability, the NEDSP1901-KBD significantly enhances speech quality by eliminating background noise. Say goodbye to those frustrating moments when important messages get lost in a sea of unwanted sounds.

Using the NEDSP1901-KBD is a breeze. With just a single pushbutton, complete with LED and audible indication, controlling the module becomes effortless. Equipped with DSP on/off functionality and up to 8 levels of DSP filtering, you have the freedom to customize your audio experience according to your preferences.

Installation is a cinch too. With only four wires required for connection – Audio In, Audio Out, 0V, and Power – integrating the NEDSP1901-KBD into your receiver, transceiver, or audio system becomes a seamless process. Simply drill holes to accommodate the switch assembly and label, and you’re good to go.

To cater to commercial HF radio applications, the basic NEDSP1901-PCB module may be more suitable. However, if you’re looking for a compact solution that offers incredible adaptability to changing noise environments, high-performance audio processing, virtually no distortion to speech signals, and onboard input and output level controls, the NEDSP1901-KBD is the ideal choice.

Measuring at a compact size of 28 x 37 x 9 mm, this module ensures minimal footprint without compromising on performance. Its LED indication provides clear visibility of the selected DSP level and status, making monitoring a breeze.

Upgrade your audio system today with the NEDSP1901-KBD Noise Eliminating Module and unlock a world of pristine speech quality. Say goodbye to unwanted noise and hello to enhanced communication clarity.


  • Fully adaptive to changing noise environments
  • High-performance audio processing
  • Virtually no distortion to speech signal
  • 8 to 40 dB of noise cancellation – Up to 65 dB of tone reduction
  • 8 filter levels
  • LED indication of DSP level and status
  • Small size 28 x 37 x 9 mm
  • Onboard Input and output level controls
  • Single button operation


Additional information

Weight0.5 kg