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Its predecessor, the original DSPXmpX has spent the last 10 years dominating the stand alone stereo generator market. The new Encore version goes 1, 2, 3 steps beyond the original.
1. It has always visible large front panel LED metering, so you can see your audio and MPX levels easily from across the rack room
2. It has an RDS encoder – at no extra cost
3. It can decode MPX signals in DSP, with lab grade performance and have the decoded levels shown on the front panel LED metering.

  • snmp feature
  • ultra feature
  • rds feature
  • planb feature
  • html5 feature


Many radio stations like to place their audio processing at the studio, especially when the same audio source is feeding a network of transmitters. Unless you are using linear / PCM to send audio to your transmitter(s), your audio will have overshoots introduced. Bit rate reducing methods like MP3 or AAC codecs change the shape of an audio waveform, which often means increased levels. Therefore, any level control before the STL link is often thrown out the window. A standard stereo generator or one inside of a transmitter will often not have any method of dealing with these extra peaks in the audio waveforms, which inevitably leads to over-modulation, which can result in fines to the radio station or interference to radio stations that may be close in frequency.

The DSPmpX has an advanced peak control system that can tame any overshoots, and do it in a manner where there is no loss of loudness or loss of audio quality. No matter what levels are fed into the DSPmpX, it will keep you to 100% modulation. The transmitter will be fed with a peak and bandwidth limited composite signal. Here are just some of the advanced ways it does that.

1. Distortion canceling audio clippers, that have a feedback path to a limiter that kicks in when there is excessive clipping which may start to become audible
2. Distortion canceling overshoot compensated 15Khz low pass filters
3. Composite clipping option – with embedded Pilot and RDS / SCA protection filters
4. Equalization filters to ensure high stereo separation, across the whole audio spectrum

Most standard stereo generators have a single MPX output connection socket. The DSPmpX has two independent MPX outputs, and one can even be set to output just a pilot tone for synchronization purposes. It doesn’t stop at just the two outputs, there are also two MPX inputs. These inputs are sampled and fed to a DSP that performs stereo decoding with unprecedented accuracy and quality.
It is possible to take an analog or digital audio input, and have that feed the stereo generator, outputting to the MPX outputs, while at the same time taking a totally different MPX source, and have that decoded to left and right audio, and outputted to the analog and / or digital audio output sockets.
Two front panel softkeys can switch the front panel LED meters between displaying encoding levels or decoding levels.

PlanB silence detection and source switching as standard, DSPXmini Encore can automatically revert to auxiliary sources or onboard flash memory if the signal problems arise, keeping you on-air at all times. Our latest remote control and monitoring software allows you to interact with your processor from anywhere in the world and even listen in over an IP connection in real-time.

Our all new intuitive alarms and events system allows you to assign intelligent actions to any rear panel (digital or analog) GPIO event. Take complete control over each event by mapping it to a set of ‘do this when’ and ’do this now’ actions for the most versatile and customizable alert configuration possible.

The front panel is machined from a single block of aluminum with a high contrast OLED displaying the menu system and tri-coloured LED blocks providing clear, real-time metering. The 3 silicone soft keys work dynamically with the display to control the most significant functions and the electronics are all wrapped up into our lightweight brushed aluminum chassis.

  • MPX & RDS Encoding, Decoding, metering & analysis make this product the swiss army knife of composite stereo FM products.
  • One button configuration switching between encoding and decoding analysis makes this box incredibly flexible and powerful.
  • Always on’ front panel high resolution LED meters offer full confidence metering of the composite signal and it’s components.
  • Stereo ( MPX ) generation & peak limiting with advanced anti-aliased protection distortion control or peaks and bandwidth.
  • RDS encoder (UECP compliant) broadcasts your station ID, song and title and much more. Built in as standard!
  • Plan B Silence Detection and Source Switching automatically reverts to auxiliary audio sources or on-board flash memory, keeping your broadcast on air.
  • HTML5, FTP, Telnet, SNMP & RS232 Remote Control with IP streaming allows you to monitor and control your processor from anywhere in the world. Even listen in over an IP connection.
  • A flexible and versatile action and alerts system brings together back panel GPIO at digital and analogue levels of your choosing, integrating it with an easy to set up ‘do this when’ and ‘do this now’ set of actions.


BW Broadcast


  • Protection limiter:Yes
  • Composite processor:Yes
  • Metering and analysis:L-R, L+R, L-R, pilot level, RDS level, MPX +, MPX –


  • Outputs:MPX (dual), L-R, L+R, L-R, pilot, RDS
  • Stereo seperation:>60dB
  • Metering and analysis:L-R, L+R, L-R, pilot level, RDS level, MPX +, MPX –


  • Nom. input level:+4 dBu
  • Max input level:+24 dBu
  • Connectors:XLR balanced EMI surpressed
  • A/D conversion:24 bit
  • Distortion:<0.01%


  • Analog output:0-24 dBu adjustable
  • Connectors:XLR balanced EMI surpressed
  • D/A conversion:24 bit


  • Sampling rate:32-192 kHz (MPX over AES ready)
  • Connector:XLR balanced EMI surpressed
  • Nominal input level:-20 dBfs


  • Sampling rate:32-192 kHz (MPX over AES ready)
  • Connector:XLR balanced EMI surpressed
  • Level:-32 – 0 dBfs adjustable


  • Output level:0 – 12 dBu adjustable
  • MPX outputs:2 x BNC EMI surpressed
  • D/A conversion:192KHz, internally oversampled
  • Stereo seperation:>60 dB 20Hz – 15 kHz
  • MPX inputs:2 x BNC EMI surpressed
  • A/D conversion:192KHz, internally oversampled
  • Pilot output:BNC software switched with MPX2 output

Remote Control

  • Connectors:Serial, USB A, USB B, RJ45
  • Protocols:HTTP (browse, mobile, API), SNMP, TELNET, FTP, SMTP, RS232


  • Power:90 – 260 VAC, 50/60Hz, 25W IEC connector
  • Environmental:-20ºC – 50ºC / 0-90% RH, non-condensing
  • Size (inch):19” W x 1.73” H x 9.84” D
  • Size (mm):44mm x 482mm x 200mm
  • Weight:1.6 Kg
  • Warranty:10 year limited warranty

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BW Broadcast DSPmpX Encore Brochure


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