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CCTV, Military and Covert Surveillance

DSP noise cancelling products for use in CCTV, Military and Covert Surveillance equipment to improve speech intelligibilty


The bhi ANEM MKII ‘Noise Away’ Amplified Noise Elimination Module is a compact, easy to use, in-line solution to noise and interference problems in voice and radio communications. 

  • Product Number: A-ANEM MKII
  • £139.95

Compact In-Line

Compact mono/stereo DSP noise eliminating in-line module  

  • Product Number: A-COMPACT IN-LINE
  • £179.95


DESKTOP 10 watt amplified DSP noise cancelling base station speaker

  • Product Number: A-DESKTOP
  • £179.95


The DSPKR 10 watt DSP noise cancelling speaker removes noise and interference to leave clear speech! - Special price!

  • Product Number: AT-DSPKR
  • £119.95
  • Special Price

Dual In-Line

Dual In-Line DSP noise eliminating in-line module with mono or stereo DSP noise cancellation. 

  • Product Number: A-Dual In-Line
  • £199.00


This pre-wired DSP noise cancelling module is designed to clean up noisy speech signals in the low level audio path of radio receivers, commercial and amateur radio transceivers and audio systems.

  • Product Number: A-NEDSP1061-KBD
  • £109.95


*****NEDSP1061-PCB discontinued.  New direct plug-in replacement coming very soon. Incorporates the bhi NEDSP900 module with improved DSP noise cancelling technology giving clearer processed audio. Contact us for furtehr information or email  quoting NEDSP1901-PCB

  • Product Number: A-NEDSP1061-PCB
  • £99.95


Pre-wired amplified DSP Noise Eliminating PCB Module –  Why not upgrade your extension speaker to an amplified DSP noise cancelling speaker with this easy to install pre-wired pcb module.  Simply retrofits into the audio path of your extension speaker.  Suitable for all makes of passive speaker (space permitting).

  • Product Number: NEDSP1062-KBD
  • £119.95


NEDSP1062-PCB Amplified DSP Noise Eliminating PCB Module - This DSP noise cancelling module incorporates an on board power amplifier and is a basic module without all the pre-wired connections of the NEDSP1062-KBD version. This module is fits in the high-level audio/loudspeaker path and is more suitable for commercial applications and new designs. Connections are on a 0.1” (2.54mm) pitch allowing the module to be easily integrated into almost any system. The DSP operation can be preset or remotely controlled from the PCB connections.

  • Product Number: A-NEDSP1062-PCB
  • £114.95


The NEDSP1068-PCBA is a small PCB module with an on-board AGC microphone preamplifier with DSP noise cancellation technology.

  • Product Number: A-NEDSP1068-PCBA
  • £109.95


Small DSP noise cancellation PCB module with an onboard AGC microphone preamp

  • Product Number: A-NEDSP1068-PCBA-MIC
  • £119.95


The New NEDSP900 is a low power dual channel DSP Noise Suppression pcb module capable of handling a wide range of audio inputs from mic level up to line level, providing up to 40dB of noise suppression.

  • Product Number: NEDSP900
  • £109.95


DISCONTINUED - After 15 successful years the bhi NEIM1031MKII in line module has been discontinued due to component obsolescence.  It has been replaced by the new improved bhi Dual In-Line in line module.  Click here to view the Dual In-Line.

  • Product Number: A-NEIM1031MKII
  • £149.95

NES10-2 MK3

The NES10-2 MK3 DSP Noise Eliminating Speaker is currently out of stock see DSPKR

  • Product Number: A-NES10-2 MK3
  • £99.95


SPKR8 8 Ohm 8 Watt extension speaker 

  • Product Number: SPKR8
  • £19.95