MCM Electronics

MICROMIX Ultra Low Noise 4 Channel Line MixerMCM Part #: 555-10725  |  Behringer Part #: MX400

MICROMIX Ultra Low Noise 4 Channel Line Mixer 5 stars from 2 reviews.
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4-Channel Line Mixer

Despite its ultra-compact size, this 4-channel line mixer is big on features! It yields the highest sonic quality at all output levels, boasting ultra low-noise 4580 operational amplifiers for outstanding audio performance—the same op amps found in its much bigger brethren.

Product Description

Expanding on the capabilities of standard-size mixers is where the MX400 does extremely well, for example as a sub-mixer. If you are running short on available channels on your “big” mixer and need to bring the output of three different keyboards into your mix, you can simply connect them to the MX400, work out the keyboard mix, and connect the MX400’s output to a single input on your main mixer.


  • Ultra-compact 4-channel line mixer
  • Highest sonic quality even at maximum output level
  • Input Level control for each channel
  • Ultra low-noise 4580 operational amplifiers for outstanding audio performance
  • DC 12-Volt adapter included
  • High-quality components and exceptionally rugged construction ensure long life
  • Conceived and designed by BEHRINGER Germany

Product Reviews

  • "Good add-on !" by lonnieer3 on 8/5/2013
    Overall: 5 out of 5

    Have a receiver with not enough inputs ? These help. I bought 2 for stereo.

  • "MX400 Ultra Low-Noise 4-Channel Line Mixer" by Thanks!!! on 3/20/2013
    Overall: 5 out of 5

    I am using this MICROMIX MX400 Ultra Low-Noise 4-Channel Line Mixer with my Audio-Technica ATW-2192TH Headset Wireless System with a 12V 1.2Ah Lead Acid Battery MCM Part #: 29-880and it provides long lasting power for recording. The four channel is terrific (mono) and is on a nylon belt with plastic buckle with the battery using Nylon Cable Ties 50lb for the battery. The variations are clear on what you can do on studio time. I am experimenting with the guitar, microphone and two open (mono) inputs now and later; I am going to run this side-by-side with another MX-400 for my HDR camera and its stereo mini-plug for audio mixing. Remember, the center pin is positive, and you can cut the wall wart wire to use the power plug.

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Package Specifications & Dimensions
Weight:0.88 lbs.
RoHS Comp:No
Warranty:365 days
Need to Return?
Length:7.75 in.
Width:5.25 in.
Height:2.5 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages

MCM Cat 57, Page 021

MCM Cat 56, Page 182

PDF Reference

Requires Adobe Acrobat Reader.

Mfr. Info

Behringer Logo
Mfr. Name:Behringer
Mfr. Part Number:MX400