Lexicon MPX 550 Dual Channel Processor
Best professional effects for studio enthusiasts seeking classic sounds.
Experience studio-quality sound with the Lexicon MPX 550, a versatile dual-channel stereo effects processor. Featuring Lexicon's renowned LexiChip engine, it delivers pristine 24-bit processing for exceptional audio fidelity. Explore a vast sonic landscape with 255 presets and 100 user-programmable slots, offering a comprehensive suite of reverbs, delays, modulation, pitch shifting, dynamics, and EQ. Its intuitive interface, complete with a large graphic display and analog-style controls, makes sound shaping effortless. Seamlessly integrate with your existing gear through balanced analog and S/PDIF digital I/O, plus MIDI support.
$246.89
More MPX Options
Owner Satisfaction
4.4
/ 5
Category Rank
908
/ 1292
#908 in Effects Processors
Price vs Category Average
-45%
Below average
Processing
24
/ -bit Digital
Who it's for
- Musicians and engineers seeking classic, high-quality spatial effects for their recordings.
- Studio owners and live sound engineers needing versatile processing for multiple sources.
- Aspiring producers and home studio enthusiasts on a limited budget.
Who should skip it
- Performers and producers who prefer immediate, hands-on control via physical knobs.
- Audiophiles and professional engineers accustomed to pristine, modern digital or analog processing.
- Sound designers and experimental artists requiring granular control over every effect parameter.
Key Specs
Processing
24-bit Digital
Sampling Rate
48kHz
Presets
255
User Programs
100
Routing
4 unique configurations
Connectivity
Balanced Analog I/O (XLR and 1/4 inch TRS), S/PDIF Digital I/O
MIDI
Full control enabled
Display
Large Graphic Display
Features
- Legendary Lexicon reverb sound quality
- High-fidelity 24-bit processing
- Combine two effects with dual programs
- Flexible analog and digital connectivity
- Synchronize effects with Tap Tempo
- Full MIDI control for integration
- Easy parameter adjustment with Edit knobs
- Integrated compressor and dynamic algorithms
What customers say
Customers consistently praise the Lexicon MPX 550 for its exceptional sound quality, particularly its lush reverbs and versatile effects. Many highlight its robust build, suggesting a durable piece of equipment that stands the test of time. Users appreciate the professional grade audio processing it delivers, often noting its impressive performance for the price point. While some interfaces can feel dated compared to newer digital units, its core sonic capabilities remain highly valued, making it a strong contender for those seeking classic Lexicon effects without a premium budget.
Know before you buy
Yes. The unit features dual-program capability, allowing you to combine two independent effects using one of four unique routing configurations.
It does. The processor includes S/PDIF digital I/O alongside balanced analog inputs and outputs, ensuring you can maintain a clean signal path with your digital gear.
You have 100 user-definable slots available to store your custom settings, in addition to the 255 factory presets included with the unit.
Absolutely. It is designed for both studio and live environments, featuring a large, easy-to-read graphic display and dedicated Tap Tempo functionality for real-time adjustments.
Yes, the MPX 550 provides full MIDI control, allowing you to integrate it into a larger MIDI-based setup for remote parameter changes and preset switching.
The MPX 550 utilizes Lexicon’s proprietary LexiChip engine, which provides 24-bit internal processing at a 48kHz sampling rate for high-fidelity audio performance.
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