Used Lexicon MPX 100
Used Lexicon MPX 100 units offer a true stereo dual-channel effects processor powered by Lexicon's proprietary Lexichip, delivering 240 presets spanning classic reverbs, modulation, pitch, delay and more with 24-bit internal processing. Available as second-hand equipment, these units are well suited to studios and live rigs alike. Scroll down to browse the used Lexicon MPX 100 listings currently available.
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Lexicon MPX 100 specifications
| Brand | Lexicon |
| Segment | Audio |
About the Lexicon MPX 100
The Lexicon MPX 100 is a true stereo dual-channel effects processor featuring 24-bit internal processing, 20-bit A/D and D/A conversion, and S/PDIF digital output. Driven by Lexicon's proprietary Lexichip, it provides 240 factory programs and 16 user programs covering classic reverb types including Ambience, Plate, Chamber, Gate, Hall and Room, plus Tremolo, Rotary, Chorus, Flange, Pitch, Detune, 5.7-second Delay and Echo. Dual Effect configurations include Dual Mono, Dual Stereo, Cascade and Parallel. A front-panel Adjust knob gives instant access to each effect's critical parameters, while an Effects/Balance knob controls effect level or the blend of dual combinations. Tempo-controlled delays lock to Tap or MIDI clock, MIDI patching is handled via an easy Learn mode, and connectivity includes a headphone output, software-selectable MIDI OUT/THRU, and a frequency response of 20Hz to 20kHz at plus or minus 1dB.
Lexicon MPX 100 — buyer FAQs
What is the Lexicon MPX 100 and what effects does it offer?
The Lexicon MPX 100 is a true stereo dual-channel effects processor with 24-bit internal processing and 20-bit A/D and D/A conversion. It carries 240 factory programs and 16 user slots covering classic reverb types such as Ambience, Plate, Chamber, Gate, Hall and Room, plus Tremolo, Rotary, Chorus, Flange, Pitch, Detune, a 5.7-second Delay and Echo. Dual Effect configurations include Dual Mono, Dual Stereo, Cascade and Parallel.
Who makes the MPX 100 and what technology powers it?
The MPX 100 is made by Lexicon, an American audio company founded in 1971 and a long-established name in digital reverb and effects processing. This particular unit is driven by Lexicon's proprietary Lexichip, the same processing engine used across the brand's effects range. Lexicon has been part of Harman International since 1993.
How does MIDI control work on the Lexicon MPX 100?
The MPX 100 includes an easy Learn mode that patches a MIDI controller or Program Change message to as many as five front-panel controls. Tempo-controlled delays can lock to either Tap or MIDI clock, and Tap tempo itself can be driven by audio input, the front-panel Tap button, a dual footswitch, an external MIDI controller or MIDI Program Change. A software-selectable MIDI OUT/THRU port handles routing.
What should I check when buying a used Lexicon MPX 100?
Confirm the unit powers on fully and cycles through presets without errors, and check that both channels process audio independently as the dual-channel design intends. Verify the S/PDIF digital output, headphone output and MIDI ports are all functional. The front-panel Adjust and Effects/Balance knobs should respond cleanly. Used listings on this page carry a 21-day warranty covering major functional faults; full detail is in the buying guide at 10kused.com/used-av-equipment-guide/.
What drives the price of a second-hand MPX 100?
Used MPX 100 pricing is shaped primarily by cosmetic condition, whether the unit includes its original power supply or accessories, and general working order. Units with fully intact front-panel controls and confirmed digital output tend to sit at the higher end of the range. Check the live listings on this page for current asking prices, and note that many listings carry a Make an Offer option.
