The ease of plug-in control merges with Lexicon hardware processing power.

The Lexicon MX400 is a single-rackspace, 4-in/4-out unit combining an intuitive front panel design with Lexicon's "Hardware Plug-In" technology, a unique USB connection, and a VST/AudioUnits interface for use with software recording platforms.

Studio pros will be glad to know that the units also feature a wide array of the rich, complex reverb algorithms, delays, effects and dbx dynamic effects that have made Lexicon a favorite for recording.

The USB Hardware Plug-In format gives you complete plug-in control over your MX400 within any VST or AudioUnits software environment, enabling you to control all automation and recall parameters exactly as you would with a software plug-in while enjoying the sonic benefits Lexicon firmware provides.

Equally at home for live applications, the MX400 supplies the FOH/live sound engineer intuitive front panel control with a backlit LCD screen for parameter displays. 4 in, 4 out 1/4" TRS balanced I/O. Also offers 4-channel surround algorithms.

Lexicon MX400 Dual Stereo/Surround Reverb Effects Processor Features:

• 17 legendary Lexicon© reverbs
• Lexicon delays & modulation effects
• dbx© compression and de-essing
• Quad-processor design
• 7 effect routing options
• 99 Factory/99 user programs for Stereo mode
• 99 Factory/99 user programs for Dual-Stereo mode
• 25 Factory/25 user surround programs
• USB "Hardware Plug-In" feature with
• VST© and Audio Units plug-in software
• MX-Edit Editor/Librarian software
• Dual S/PDIF Digital Input/Output
• 24 bit, 48kHz/44.1kHz sample rates
• Large front panel LCD display
• MIDI IN and THRU
• 1/4" balanced/unbalanced TRS I/O
• Analog Audio Inputs connectors: 4 - 1/4" TRS balanced or unbalanced
• Impedance: 50k Ohms bal., 25k Ohms unbal.
• Input Level: +4 dBu nominal, +24 dBu maxium 48kHz or 44.1kHz
• A/D Conversion: 24-bit, 48kHz 128 x oversampling
• Analog Audio Outputs
• Frequency Response: 10Hz - 20kHz +0 dB/-0.5 dB
• THD+N: <0.0019% 10Hz - 20kHz
• Dynamic Range: >109dB (A-weighted) A/A
• Crosstalk: Typical <-80dB 20Hz-20kHz
• Digital input and output: Dual RCA phono format S/PDIF 24-bit
• Sample rate: 44.1 or 48kHz
• Frequency Response
• 10Hz-22kHz ±0.5 dB @ 48kHz
• USB 1.0 for MX-EDIT¦ Editor/Librarian and VST¦/Audio Units plug-ins
• MIDI
• In/Out 5-pin DIN
• Foot Pedal
• 1/4" phone jack

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Lexicon MX400 Dual Stereo/Surround Reverb Effects Processor Specifications:

• Power: 117 VAC or 230 VAC, 18 Watts
• Size (W/H/D)
• 19" x 1.75" x 7.25"
• Weight: 5.8 lbs.

Lexicon MX400 Dual Stereo/Surround Reverb Effects Processor

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Really nice, versatile device

Posted by Greg from NJ on Apr 6, 2009

Experience w/product: I own it

Reviewer's Background: Advanced amatuer

Reviewer's Play Style: varies

This is a killer box and at the price it's being offered at now, it's really hard to buy an MX200 or an MX300.

As one would expect from Lexicon, the reverbs are fantastic. From big, boomy caverns, to a little ambiance, everything you're likely to need is here. Even a pretty good spring with a cool 'Boing' parameter to add a little pop.

They're eminently tweakable and not over processed like many reverbs I've tried in the past. They'r plenty lush enough, but not so lush that you have to fiddle with it all day and drop the mix to keep it from being too obtrusive.

Editing presets via the knobs is certainly doable, but you'll really want to use the pc/mac editor. Not that you can do any more with the editor, but it's a much more convenient interface.

The fact that you can use the editor as a VST is a major plus for anyone doing digital recording. Be aware of what this is though. There is no software version of the processing algorithms in this device. It's simply control. No audio passes through the USB cable. Don't discount the usefulness though. With this plug-in you can do things like add automation and save it in your projects. Very handy.

The other effects are surprisingly useful as well. The chorus is very sweet and I personally find the detune effect quite useful.

I had expected the compressor and de-esser to be afterthoughts, but they're remarkably well done. DBX code according to the specs.

Don't worry about noise. As far as I can tell, there is NONE. This is the quietest device I've ever owned.

The final thing I want to mention are the ins and outs and this explains why you really should buy this instead of the slightly cheaper MX300. This is a 'Dual Stereo' device. That means that you have two discreet sets of effects running through their own ins and outs. So, essentially, this thing is, electronically speaking, 2 MX300s.

My setups is one set of stereo ins and outs running as an external insert to Sonar and the other side in the effects loop of a Fender Cybertwin. Two completely independent, 2 effect chains running at the same time.

At this price, you really owe it to yourself to look at this device. World class verbs - and I mean that as well as several other great effects and very versatile routing both internally and externally. If you're in the market, check this thing out!

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Lexicon MX400 Dual Stereo/Surround Reverb Effects Processor

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