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Lexicon MPX1 Studio Multi-FX Unit With MPX-R1 Foot Control  From Other


Our product photos are the actual, specific serial number for sale!

This specific item was photographed by us here in Durham, North Carolina. We are a very small team dedicated to providing you the most accurate photos possible, through our obsessive focus - individually photographing nearly everything that comes through the door. Questions about what you see? Want more information, photos, or just a friendly conversation with someone that cares and who has actually had their hands on this exact item? Contact us now!

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Sound Pure's dedication to pre-owned products is unprecedented in the industry. We are a small team of dedicated experts that buys, trades, and consigns. We are trusted by customers all over the world. Our curated collection, is thoroughly tested and inspected by some of the best in the business. Our inventory is constantly changing, ever-evolving, with some items sold before reaching the website. Looking for something specific? Have questions about this product's condition or history? Want more photos, or to simply chat with an expert who's had his hands on this actual piece? Contact us now.
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Other (Miscellanous Used/Vintage/Consign)

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Manufacturer's Description from Other

Includes MPX1 Multi Processor FX

Other (Miscellanous Used/Vintage/Consign)

About Manufacturer

Here at Sound Pure we hand-select used and vintage pieces of gear for our inventory. Our used selection always reflects the high standards of quality and craftsmanship that we expect from all of our manufacturers.   We are a small team of dedicated experts, located in Durham, NC.  We buy, trade, and consign instruments that we truly believe in.  Because of this, we have developed a reputation of quality and trust with our customers, located all over the world.   Our best customers are the ones that truly understand our personal touch and commitment to everything we sell, and range from hobbyists and enthusiasts to some of the biggest names in the business.  Our passion bridges the products we love with the real relationships we develop with our customer - whether they are a lifelong musician, or they are just getting started on their musical journey but care about value, quality, and being treated right.  

We vigorously test everything we take in to ensure authenticity, functionality, and reliability.  We are supported by one of the most well-respected luthiers in the Southeast, guaranteeing products that come in are thoroughly vetted, and that products that go out our in premium, performance- ready shape.   We are so confident in our ability to provide the highest quality music equipment in the industry, we even invented our “Try Before You Buy” program where we can ship out a product before collecting actual payment. 

Sound Pure's inventory is constantly changing, ever-evolving, with some items sold before reaching the website.    Looking for something specific? Have questions about this product's condition or history?  Want more photos, or to simply chat with an expert who's had his hands on this actual piece of gear?  It is truly our pleasure to talk with our customers, please do contact us now.  


MPX R1 Preliminary Specifications

Dimensions: 23 in x 8 in x 3 in (WHD) 

(58.42 cm x 20.32 cm x 7.62 cm)

Weight: 9.5 lbs (4.3 kg)

Construction: all metal chassis, switches and expression


External control inputs: 1/4” TRS jack supports up to 3 on/off


1/4” TRS jack for external expression


Internal relays: 1/4” TRS jack connected to two internal

programmable relays

MIDI: MIDI OUT/REMOTE: 7-pin DIN connector

(compatible with standard 5-pin MIDI) provides phantom power and two-way MIDI

communication with the MPX 1.

MIDI IN: standard MIDI IN can also be 

used to merge a second MIDI input stream

when MIDI OUT/REMOTE is connected.

MIDI THRU: can be set to pass MIDI from

either MIDI IN or REMOTE ports.

Power: 9 VAC,1A wall transformer; 25’ 7-pin DIN

cable for phantom power via MPX 1 (provided)

Expression pedal: Vintage mechanical design, all steel construction, programmable toe switch

Display: 3-digit LED indicates program number

and tempo rate

MIDI functions: MIDI bank and program select for up to

300 programs.

Switches and pedal(s) can be individually

set to transmit any controller on any channel.

The status of each MIDI switch is indicated

with a green LED

Tap tempo can be transmitted as MIDI


Relay mapping: When connected to an MPX 1 via 7-pin DIN

cable, LEDs automatically display the following each time a new program is loaded:

Program number

Master Bypass state

A/B state

Tempo rate

State of each effect block (Pitch, Chorus,

EQ, Mod, Delay, Reverb); effect on=green,

effect bypassed=red, effect not active=off)

The state of any active effect can be

instantly changed by pressing its associated


Dedicated switches for control of A/B and

Tap functions.

All specifications are subject to change without notice.

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