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Compact In-Line DSP noise cancelling module
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bhi Noise Reduction products

Compact In-Line DSP noise cancelling module

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£179.95
(£149.96 exc. VAT)
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Product code: A-COMPACT IN-LINE
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£179.95
12 Months 14.9% APR
£18.00
£15.51
£204.08
£179.95
18 Months 14.9% APR
£18.00
£10.34
£204.08
£179.95
24 Months 14.9% APR
£18.00
£7.75
£204.08
£179.95
36 Months 14.9% APR
£18.00
£5.17
£204.08
£179.95
48 Months 14.9% APR
£18.00
£3.88
£204.08
£179.95
12 Months 19.5% APR
£18.00
£16.13
£211.53
£179.95
18 Months 19.5% APR
£18.00
£10.75
£211.53
£179.95
24 Months 19.5% APR
£18.00
£8.06
£211.53
£179.95
36 Months 19.5% APR
£18.00
£5.38
£211.53
£179.95
48 Months 19.5% APR
£18.00
£4.03
£211.53

Remove noise and interference so you can hear clearly....for a stress-free listening experience!

High-performance audio processing

Easy to use with "real-time" DSP noise cancelling


Works with mono or stereo signals:

The BHI Compact In-Line module is a lightweight DSP noise cancelling unit made from tough impact-resistant black ABS plastic, making it suitable for portable use. The unit is easy to set up and accepts either mono or stereo signals on the input and you can either connect headphones or loudspeakers to the output so that you can enjoy your listening experience straight away.  This intuitive microprocessor controlled unit has two rotary encoders with push buttons that perform all the functions, enabling you to change the settings quickly and easily in "real-time" to suit your current operating conditions.


High-performance audio processing:

The powerful high-performance audio processing system and unique DSP noise cancelling algorithm is able to distinguish the speech from the noise and interference within the audio signal.  This results in clear intelligible speech under most conditions and works especially well on weak signals.


Compact In-Line connections:

The Compact In-Line module can be powered from a separate 12V DC power supply using the fused DC power lead supplied (a plug-in DC wall wart requires a 2.1mm to 1.3mm adapter plug), or by two AA alkaline or NiMH batteries for portable mobile use. Input connections are made via the separate 3.5mm speaker level and line-level audio input sockets.  The output socket can drive a pair of stereo headphones, a mono loudspeaker or a pair of powered stereo speakers.  


Simple control of all functions:

The Compact In-Line functions are microprocessor controlled by two rotary encoders with pushbuttons.  The unit can be adjusted in "real-time" to suit your own noisy conditions. The “Power/Volume” control switches the unit on and off and adjusts the audio volume.  The “Filter Level” control adjusts the filter level in "real-time" enabling you to respond quickly to changes in conditions.  Press the filter button to hear the difference!  You can also select between a single mono signal or stereo mode.  The Compact In-Line is particularly useful for portable/mobile use as it can be powered by 2 x AA batteries.  The unit is suitable for use on all radios and receivers and software-defined radios (SDR), including Elecraft and FlexRadio products. 


Boost your audio

Why not boost your receive audio even further and use one of our EQ20 10W parametric equaliser units with your Compact In-Line. Simply connect the "Phones Out" signal to the input of the EQ20 and connect your passive speaker or headphones to the EQ20 output.  You will be able to fine-tune your audio to suit your own hearing.  This is especially useful if you suffer from hearing loss.


Features


Latest BHI world-class DSP noise cancelling technology 9 to 40dB

The powerful high-performance audio processing system

Ultra-low latency of 32mS

Processed speech much clearer and more intelligible

Simple easy to use with "real-time" control of all functions

Use with headphones, a passive speaker or powered speakers

Mono or stereo inputs

LED overload indication

Ideal for portable use, DXing, and special event stations

Over 40 hours of battery life with 2 x AA alkaline or AA NiMH batteries

Dimensions: L125mm x W70mm x D37mm

The unit made from tough impact-resistant black ABS plastic

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-pk

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

Powerful High-performance audio processor

Modes: Enabled / Disabled (DSP filter off)

Levels: 8

Noise suppression: 8 to 40dB

Tone suppression: Up to 65dB

Ultra-low latency of 38mS


Size & weight

Size 125 x 70 x 37mm

Unit weight 0.125Kg

The case made from tough, impact-resistant black ABS plastic