BHI Desktop MKII - New Desktop DSP Speaker
SKU Part Number: BHI-DESKTOP-MKII
Dramatically reduce noise and interference and hear more clearly! Get rid of noise and interference so you can hear clearly!The...
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Dramatically reduce noise and interference and hear more clearly!
Get rid of noise and interference so you can hear clearly!
The bhi DESKTOP 10 Watt DSP noise cancelling base station speaker removes noise and interference to leave clear speech. It works on all types of radio, transceivers, receivers, and SDR radios, giving a new listening experience. The intuitive rotary controls make it very easy to use and set up to your own operating preferences.
Excellent audio quality
The DESKTOP speaker comprises a 4" bass driver and a 1" tweeter unit with an amplified bhi DSP noise cancelling unit capable of producing up to 10 Watts audio (peak).
Easy to use controls
The DESKTOP speaker is easy to use with rotary controls for volume on/off and filter level on the side of the speaker.
The DESKTOP speaker has two 4mm screw terminal posts at the back for mono speaker level signals (4 or 8 ohm), and a stereo 3.5mm "Line Level" input socket suitable for use with SDR radio, Elecraft and FlexRadio products. There is also 3.5mm headphone socket on the side of the speaker for mono or stereo headphones. 12V DC Power is via the 2.1mm power socket (centre +ve).
Filter level control
Noise cancelling is switched on and off by pressing the filter level control. Rotating this control allows you to change the filter level in real time to suit your current listening conditions.
What’s in the box
The DESKTOP speaker is supplied with a 2.1mm fused DC power lead with bare ends, a quality 1.2 metre audio cable with a moulded 3.5mm jack plug and 4mm banana plugs and a full user manual. A 12V DC world-wide mains plug-in power supply PSU12-2A-WW is available as an optional extra.
Using your DESKTOP speaker
Simply connect the power lead and audio lead to your DESKTOP speaker and radio, switch on the power supply and you are ready to go, adjusting the volume and filter level controls on the side of the speaker to suit your own requirements.
Click here for the excellent QST review of the DESKTOP DSP speaker in the Mar '15 QST magazine
- Quality 10Watt amplified DSP base station speaker
- 4" bass driver and 1" tweeter for excellent audio
- Works with most radios and receivers including SDR radios
- Simple to operate with intuitive rotary encoder controls
- Speaker level and line level audio input connections
- Audio input level overload feature
- Noise reduction 9 to 35dB (8 levels)
- All functions microprocessor controlled
- 3.5mm headphone socket (mono or stereo phones)
Connector type 2.1mm DC power jack (centre positive)
Input voltage 12 to 18 Volts DC
Input current 10mA standby
125mA active (no signal)
Line Level Audio Input
Connector type 3.5mm Mono or Stereo line level
Input voltage range 160mV to 1.6V pk-pk
Input impedance 10kΩ (±2kΩ) nominal
Speaker Level Audio Input
Connector type 2 x 4mm banana socket/screw binding posts (mono)
Input voltage range 350mV to 3.5V pk-pk
Input impedance 8Ω (±2Ω) nominal
Input power rating 1.5W max
Speaker output power 10W peak (supply voltage of 18V)
Bandwidth 50Hz to 4.3kHz
Volume levels 16 levels (3dB steps)
Headphone output 3.5mm mono or stereo (8 to 64 Ohms)
DSP Noise Cancellation
Filter levels 8 levels + off
Noise reduction 9dB to 35dB
Tone reduction 4dB to 65dB
Status LED Multicolour LED (red, amber, green)
Audio tones Power-up, power-down, DSP filter level, volume and memory store
Input overload indication.
Power/Volume Digital rotary encoder with push function
DSP level Digital rotary encoder with push function
Weight 1.90kg (shipping weight)
Dimensions 200(H) x 150(D) x 160(W)mm
Note: Elecraft K3 users: To connect to the K3 using the speaker lead supplied you need to either make up an audio lead with a 3.5mm stereo plug (tip only connected) to a 3.5mm mono socket, or purchase one of our ALD-009 leads, or alternatively use a 3.5mm stereo plug to plug lead and connect from your K3 to the line in socket on the DESKTOP speaker (ALD-007).
"Thank You Graham for your reply. I have in fact bought the DESKTOP model since I spoke to you from Martyn Lynch. It arrived today and I set it up to try it out. I am plagued by noise at my qth, so much so that I have seriously considered closing down the station. I cannot praise your speaker enough. It seems rather strange listening to speech in a way I have never heard it before. On top band we have a net on a Sunday morning. To be able to join in I have to go mobile to a spot away from the village. With winter on its way, I am going to enjoy the interference free contacts without having to go out. At 86yrs this is quite something. Again, thank you for making radio a pleasure again". Regards Peter 2E0DYM.
“I have sometimes been a little sceptical about DSP noise cancellation, but this really does reduce noise very effectively without any annoying and distracting DSP artefacts...”
RadCom Jan ‘14 review
“Transformed the output sound of my TS-930S providing as clear audio to match current rigs.”
Mr. B Hiley:
“The DESKTOP speaker is great, audio is crisp and clear, brilliant!”
“I just wanted to thank you for your amazing Desktop (10W) DSP Speaker. I bought it from you @ the Kempton Park Rally - I tried it for the 1st time this Sunday on a noisy 40m band and was gobsmacked! Your unit made a fine job eliminating the crud picked up by the radio. I now consider your noise eliminating speaker an essential bit of kit in my ham shack! Thank you very very much.” John G1WVN.
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If you have any equipment that needs to be returned to Martin Lynch & Sons, please fill out the form below:
Upon receipt of goods you have 14 days to return goods however the goods must be returned in original packaging and care must have been taken with the goods you wish to return. Under distance selling regulations you are not entitled to any refund on carriage charges or modification charges made at your request.
Warranty Terms and Conditions
Outside of the 14 faulty return period, returned items cannot be accepted, unless covered by manufacturer's warranty. We will repair as much as possible on site however in exceptional circumstances products may have to be returned to the manufacturer of distributor.
For repairs/replacements under manufacturer’s warranty for any item please download a ML&S return form from the link below and return to ML&S with the faulty product.
International Warranty information
Warranty service for items we sell is available in the U.K. only, unless otherwise noted. It is your responsibility to pay freight for returned items to the U.K. and back to you for desired warranty coverage. All of our NEW products come with a minimum 12 month warranty, (Yaesu & Icom 24 months), with up to 90 days on second-hand equipment. Items returned for service must state "returned goods for repair" on the return air waybill or U.K. import customs duties apply and will be added to your invoice. For more info about returning items please contact our customer help desk, firstname.lastname@example.org