Lexicon Lambda USB Desktop Studio  

Product #245506

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Item Note:

This product has been discontinued but may be available as a Open Box item.

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Genuine Lexicon stability and signal quality in a very affordable interface!



  • Stereo line inputs for keyboards, drum machines or analog output of a CD/MP3 player. RF-filtered TRS active-balanced inputs accept either balanced or unbalanced signals.

  • Two low-noise mic preamplifiers with phantom power for studio condenser mics.

  • High-impedance front panel input for electric guitar or bass.


  • Separate mic and line level input controls with individual peak indicators.

  • Monitor mix control for balancing an audio source between live input and playback mix level while recording. Can be switched to stereo or mono.

  • 2-channel, 4-segment bargraph meter to monitor exact levels of the analog-to-digital converters.

  • High-powered headphone amp offers ultra-clear fidelity while delivering ample power for any type of headphones.

  • RF-filtered and TRS balanced Line outputs for monitoring through powered speakers or recording to an analog source such as a cassette deck.

  • TRS inserts let you add your favorite outboard processors to either mic input channel.


  • Fully opto-isolated MIDI input eliminates ground loop hum and MIDI talk-through noise. MIDI output has rock-solid sync to USB frame rate.


  • Connect to your computer with the included USB cable. No need for a power supply -- so you can record anywhere you can take your laptop.

  • Microphone Inputs (2) Female XLR Pin 2 Hot
    Input Impedance 600 ohms balanced
    Phantom Power +48 Volt
    GAIN +44 dBu
    EIN -120dB A-weighted @44dB gain (150 Ohm source impedance)
    Maximum Input Level +6.5dBu
    Frequency Response +0, -0.5 dB 20 Hz - 20 kHz, ref. 1 kHz
    THD+N <.005%, 20 Hz - 20 kHz
    Insert Inputs (2) 1/4" TRS
    Send Level (tip) +10 dBu maximum
    Maximum Return Level (ring) +11 dBu maximum
    Line Inputs (2) 1/4" TRS balanced or unbalanced
    Input Impedance 20 kOhm balanced, 10 kOhm unbalanced
    Maximum Input Level +13 dBu
    Frequency Response +0, -0.5 dB 20 Hz - 20 kHz, ref. 1kHz
    THD+N <.009% A/D, 20 Hz - 20 kHz
    Instrument Input (1) 1/4" mono jack
    Input Impedance 1 MOhm unbalanced
    Maximum Input Level +8.5 dBu
    Frequency Response +0, -1 dB 20 Hz - 20 kHz, ref. 1 kHz
    THD+N <.0125% A/D
    Line Outputs (2) 1/4" TRS balanced or unbalanced
    Level +16 dBu maximum
    Impedance 1 KOhm
    Headphone Output (1) 1/8" stereo jack 25 mW per channel at 50 Ohms
    MIDI Interface 5 pin DIN connectors for MIDI in and MIDI out
    Sample Rate 44.1 kHz or 48 kHz (determined by computer application)
    Dynamic Range A/D (24 Bit) 104 dB typical, A-weighted, 20 Hz - 20 kHz;D/A (24 Bit) 96 dB typical, A-weighted, 20 Hz - 20 kHz
    A/D/A (24 Bit) 100 dB typical, A-weighted, 20 Hz - 20 kHz
    Power Requirements USB powered
    Dimensions 6.5 x 6.7 x 3.4
    Weight 1.92 lbs.

    • 4 inputs
    • 2 outputs
    • 2 quality mic preamps
    • High-end D/A converters,
    • Cubase LE software
    • Pantheon VST reverb
    • Cubase LE recording software
    • USB power
    • Phantom power for condenser mics
    • Hi-Z guitar input
    • Stereo line inputs
    • Headphone jack
    • MIDI in/out
    review resources


    by PowerReviews
    LexiconLambda USB Desktop Studio

    (based on 3 reviews)

    Ratings Distribution

    • 5 Stars



    • 4 Stars



    • 3 Stars



    • 2 Stars



    • 1 Stars



    Reviewed by 3 customers

    Displaying reviews 1-3

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    Great for Home Studio Use and Jams


    from Lehigh Valley, PA

    About Me Experienced


    • Clear Sound
    • Compact
    • Easy To Use


      Best Uses

      • Amateur Recording
      • Home Studio

      Comments about Lexicon Lambda USB Desktop Studio:

      I have use the Lambda for 3 years now and it's great. It's designed to be used in a home studio to record ideas, do sketches of songs, and capture the occasional jam.

      I run it through a Windows 7 Laptop and record in Harrison Mixbus software.

      I usually have 2 powered condenser mikes, a guitar, and a keyboard plugged in at all times.

      Instead of running effects, condenser, EQ and everything thru software I have an external rack. It save a lot of cycles on the CPU and plus you can use the patch bay in different ways.

      To those who said this unit is noisy - that's completely to do with your setup, the unit is dead silent when used correctly.

      (1 of 1 customers found this review helpful)


      Noisy piece of gear.


      from Undisclosed

      Comments about Lexicon Lambda USB Desktop Studio:

      I bought this piece of gear thinking it would be great to connect my guitar rig to the Cubase LE using the usb port. I have tried everything to get this working and can only get one side either L or R to work without noise and latency. I have tried the mic 1 and 2 and line-in 1 and 2 as well as midi connections from my gt pro. Nothing will work without one side being out of timing and noisy.This is another piece of junk that alot of people will buy not knowing how to use it, and then realizing, once it is finally working with all the licensing of the software and such, that it has serious latency and noise issues.
      I don't recommend this gear to anyone. Save yourself the grief. Buy something else.

      (6 of 6 customers found this review helpful)


      For small projects or self recording: Perfect Buy


      from Lansing, MI

      Comments about Lexicon Lambda USB Desktop Studio:

      First and foremost, make sure your computer is compatible with this product. When I bought it, my computer didn't have the necessary components to support the Lambda, so I couldn't even use it for the first 3 months! Once my computer had downloaded everything, I was in business! The Cubase LE software that comes with the Lambda is great! It's really easy to use, and there is plenty you can do with it. When I first bought this Lambda, it was everything I needed. Now that I'm recording bigger acts, the interface simply cant's support everything I want to do. Having one instrument input in the front is very convenient if you're just recording yourself, but having all the other inputs on the back makes it difficult to record and monitor yourself. Overall, definitely worth the price (could probably run for a lot more), but just be careful that it is really what you need: if you're only recording yourself or doing simple one instrument recordings, then this is the way to go; if you plan on recording other people, you might want to keep saving your money and get something more suitable. When it comes to recording larger sessions, there simply aren't enough inputs, the interface doesn't give sufficient monitoring levels, and the location of the inputs can be a hassle.

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