BHI Compact In-Line

BHI Compact In-Line
£179.95 ( £149.96 EXC. VAT )
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Product Information
  • Overview
The New Compact In-Line module is the latest addittion to bhi's range of DSP noise cancelling products.  It incorporates unique DSP noise cancelling technology to clean up noisy speech signals.  It is a small battery operated handheld unit ideal for portable use, and has the latest bhi dual channel/stereo DSP noise cancelling technology.  It is designed to be used with a pair of stereo headphones, but can also drive a mono loudspeaker or a pair of powered stereo speakers.  

The Compact In-Line module is powered by two AA alkaline or NiMH batteries, or can be powered from a separate DC supply.  The module is microprocessor controlled and can accept mono or stereo signals.  It has separate speaker level and line level inputs with two separate rotary encoder controls with pushbutton action for filter level select, power on/off, volume control and stereo/mono signal selection.  You simply adjust the controls to suit your current noisy conditions.  This module is suitable for use on all radios and receivers including SDR. 

Product Features:
• Compact handheld battery operated DSP noise cancelling module
• New improved stereo/dual channel noise cancelling algorithm
• Processed speech clearer and more intelligible
• Easy to use rotary controls for all functions
• Use with mono, stereo or two separate audio channel inputs
• Ideal for portable use, DXing, and special event stations
• Mainly for use with headphones but can drive a small speaker
• Over 40 hours battery life
• Takes  2 x AA alkaline or AA NiMH batteries
• Size: 121mm x 70mm x 33mm

Product Specification:

Power Supply
External supply:       8 to 16V (nominally 30mA, max 350mA peak)
                                 Reverse polarity protected.
Internal batteries:     Type: AA x 2 (Alkaline or NiMH recommended)
                                 Reverse polarity protected.
                                 Low battery indication threshold: 2.1V ±0.1V
                                 Low battery indication: LED colour changes to red.
                                 End-of-life threshold: <1.5V
                                 Life: 40 hours typical (Alkaline or 2500mAH NiMH).
Auto power-off:         60 minutes if input signal < 60mVpk-p
                                 Auto power-off can be disabled if desired.
Audio Inputs
Speaker level in:      Stereo or Mono
                                 Input Impedance: ~7 Ohms
                                 Max withstand input power: 2 Watts RMS per channel
                                 Max input amplitude: 3.9Vpk-pk
Line level in:             Stereo of Mono
                                 Impedance: 6.7k Ohms typical
                                 Max input amplitude: 1.6Vpk-pk
Overload indication: LED flashes for at least 3 seconds    
Audio Outputs
Phones out:              Stereo or Mono
Impedance:               > 4 Ohms (Can also be used as Line Level output).
Max power output:    0.2 Watts RMS per channel
Volume levels:          16 levels in 3dB steps.

DSP Noise Filtering
Modes:                       Enabled / Disabled (0dB suppression)
Levels:                                   8 levels
Noise suppression:    9.0dB typical (Level 1)
                                  30.8dB typical (Level 8)

Size: 121mm x 70mm x 33mm, weight 0.27Kg (boxed)

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