DESKTOP DSP MK11 Base Station Speaker

The New MK11 Version of this speaker will dramatically reduce noise and interference and let you hear more 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)


DC Power
Connector type 2.1mm DC power jack (centre positive)
Input voltage 12 to 18 Volts DC
Input current 10mA standby
125mA active (no signal)
2.5A peak

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

Audio Output
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

SKU: BHI DESKTOP MK11 Categories: , Feature: Brand: Only 1 left in stock




Get rid of noise and interference on all bands with this new 10 Watt DSP
noise cancelling base station speaker from bhi.

The  bhi DESKTOP DSP noise cancelling base station speaker has been
designed to clean up noisy radio signals, and will work with most radios and
receivers, including SDR radios and other receivers with stereo line out, giving a new
listening experience. The new rotary controls make it very easy to use and set up to
your own operating conditions.

The bhi DESKTOP noise cancelling speaker has a 4" bass driver and 1" tweeter,
with bhi DSP noise cancelling technology built into a 10 Watt audio amplifier. The
speaker functions are microprocessor controlled with features that include:

  • Separate rotary volume and filter level controls
  • Stereo line-in and speaker level audio input sockets
  • 3.5mm headphone socket
  • LED and audio indication of filter function
  • Audio level overload feature
  • Sleep mode
  • Noise reduction 9 to 35dB,
  •  Tone reduction 4 to 65 dB,
  • 12 to 18V DC (2.5A peak),
  •  Weight 1.65Kg,
  • Dimensions 200(H) x 150(D) x 160(W)mm.
Can't find what you are looking for or require expert product advice? Call us on 023 92 313090
  • Over 20,000 items in stock!
  • Fast dispatch of stock items
  • Trading for over 50 years
  • Price pledge promise