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NEDSP1962-KBD installed in a speaker
  • Top view of NEDSP1962-KBD
  • Close up of PCB of NEDSP1962-KBD
  • Close up of smaller PCB of NEDSP1962-KBD
  • Flat lay of a black cable, bhi stickers and accessories
  • NEDSP1962-KBD installed in a speaker
  • Top view of a bhi speaker
  • NEDSP1962-KBD installed in a speaker

NEDSP1962-KBD Amplified DSP Noise Cancelling Loudspeaker Retrofit PCB Module

Price: £139.95
(£116.63 excl VAT)

The NEDSP1962-KBD is an advanced amplified DSP noise cancelling loudspeaker retrofit module designed to enhance audio performance across various extension speakers and communication devices.

  • Incorporates bhi DSP noise cancelling technology
  • Provides up to 40 dB of noise reduction and 65 dB of tone reduction
  • Pre-wired module with easy retrofit capabilities for existing equipment
  • Utilises a powerful programmable DSP audio processing chip
  • Includes an on-board power amplifier controlled by a keyboard switch assembly
  • Features a Texas Instruments 7W Mono Class-D audio power amplifier
  • Delivers exceptional sound quality with 16-bit A/D converters
  • Dimensions: main PCB: 70mm x 50mm x 15mm, small PCB 35mm x 11mm x 14mm
+

The NEDSP1962-KBD amplified DSP noise cancelling module can be retrofitted inside many types of extension speaker or older style radios and transceivers. By leveraging sophisticated digital signal processing, this module can effectively isolate and clarify speech within noisy environments, making it an ideal solution for radio enthusiasts, communication professionals, and audio equipment retrofitters.

The module's innovative design incorporates a highly efficient audio power amplifier that achieves an impressive 94% efficiency, eliminating the need for traditional heat sinking. This reduces the module's physical footprint and ensures optimal performance across a wide range of input voltages. With its flexible digital processing architecture and comprehensive audio signal chain, the NEDSP1962-KBD provides users with a versatile and powerful audio enhancement solution that can enhance speech in existing speakers and communication equipment.

Read the excellent review from Oct 24 RadCom.

This can be installed in:

  • Kenwood SP-23, SP-990, SP-31
  • Elecraft SP3
  • Yaesu SP-2000, SP-8, SP-21
  • Icom SP-24, SP-38, SP-20
  • TEN-TEC 307

Testimonials

The device is well built and highly effective in reducing noise while on the radio. I really like the device and it fits well into a small construction box. I love the ability to use it with various speakers and how effective it is clarifying noise on the air. Great product. - David Bisciotti KO4USA

Specification

DC Characteristics

Parameter

Test Conditions

Min.

Typ.

Max.

Units

Supply Voltage

 

10

16

18

V

Quiescent Current

Vs = 10 V to 18 V

5.4

 

7

mA

Quiescent current with DSP On, no load and no signal

Vs = 10 V to 18 V

70

 

80

mA

Current at Maximum Audio

   

400mA

   

 Audio Characteristics

Parameter

Test Conditions

Min.

Typ.

Max.

Units

Output Power

Vs = 10 V to 18 V

5

 

7

W

Input Sensitivity 4 Ω Load

f = 1kHz

Po = 0.5 W

 

100

 

mV

(p-p)

Input Sensitivity 4 Ω Load

f = 1kHz

6 Watts

 

400

        

mV

(p-p)

3dB BW

Po =1 W, DSP=Off

RL = 8 Ω

200

 

5000

Hz

Distortion

f = 1kHz, Pout =7 W, RL = 8Ω

   

0.3

%

Input Resistance

When operating

 

62

 

Voltage Gain

f = 1kHz

   

16

 

Efficiency

f = 1kHz Po = 0.5 W

 

>80

 

%

 

Optional extras: PSU12-2A-WWGB8M GroundBreaker

We endeavour to dispatch all orders received before 2:00 pm the same day. 

We kindly advise that orders placed on Fridays may be processed the next working day, with dispatch most likely taking place on Monday.

Standard shipping method worldwide is Royal Mail up to 2kg.  For orders over 2kg we use a parcel courier service for the UK, and a European road service for Europe. See our shipping rates & table for more information on our shipping rates. 

EU customers: You are no longer charged the 20% UK VAT on your orders as a result of Brexit. Be aware that you are likely to be charged import taxes and/or duties by your own tax authorities and an administration fee by the parcel delivery company on any goods you purchase from us in the UK. But remember, you didn’t pay the 20% UK VAT on your order. 

Additional charges are the responsibility of the recipient because we have no control over these government-imposed charges and cannot determine what they may be. Customs policies vary greatly among countries. Please contact your local customs office for information. 

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