USB Multichannel microphone array, Up to 16ch audio recording, A2B wiring allows daisy chaining of multiple arrays, REW integration for multichannel-analysis Array
575 USD
A2B Microphone module
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UMIK-X : USB Multichannel microphone array, Up to 16ch audio recording, A2B wiring allows daisy chaining of multiple arrays, REW integration for multichannel-analysis.
USD575.00 InStock Customer Support
Acoustic Measurement Tools

The UMIK-X consists of one to four UMA-4/UMA-XL microphone modules and a USB-A2B interface to interface the modules to the computer. Between four and 16 microphones can therefore be connected. UMA-4/UMA-XL modules are daisy-chained to each other using a single twisted-pair  cable carrying Analog Devices A2B protocol for multichannel audio at 24-bit/44.1 or 48 kHz. A single cable for audio + power for up to 40m distance! Applications include environmental monitoring and distributed soundfield measurement. The distributed omnidirectional  microphones in the array allow quick measurement and analysis in applications such as room equalization and distributed subwoofer tuning.

The UMIK-X is a UAC-2 compliant interface comes with its own ASIO driver and is driverless for macOS and Linux. For Windows, an ASIO driver is provided. Last but not least, the UMIK-X is compatible with the new multi-channel measurement capability of Room EQ Wizard (v5.20 and up). While this is normally a paid upgrade (100USD), a license for the upgrade is already included with your purchase.

The UMIK-X is now available for sale in ready to go packages to get up and running in no time! The basic package supports up to 8 x Channel recording (2 x UMA4/UMA-XL arrays) and 16 channel recording (4 x UMA4/UMA-XL arrays). Existing UMIK-X customers can purchase the UMA-XL separately from here


  • Multichannel - Multipoint Microphone measurement system
  • Up to 4 x UMA-4/XL MEMS microphone arrays can be daisy chained
  • Low Distortion, High AOP, High SNR Knowles MEMS (SPH0655LM4H-1)
  • 24bit 44.1/48kHz recording, ASIO drivers
  • USB to A2B® module for multichannel audio streaming over long cables (up to 40m)
  • Includes REW license for Multichannel measurement (100USD worth)

Product Downloads

What's in the box?

  • 1 x USB to A2B interface for multichannel audio streaming / Multichannel USB audio streaming
  • 2 or 4 x UMA4/XL Microphone Modules based on option selected above
  • 1 x License Code for Multichannel Audio Measurement with REW (100 USD worth)
  • 1 x shielded USB cable (2m)
  • A2B Twisted pair cable for microphone module daisy chainning: 2 x UMA4/XL package (1 x 5m, 1 x 3m , 1 x 5cm), 4 x UMA4/XL package (1 x 5m, 3 x 3m , 2x 5cm)
  • 2 or 4 Microphone monoPods for UMA4 selection / Extendable up to 1.2m height.  (OPTIONAL)
  • Linking brackets to link 2 x UMA-4 microphone arrays together (if option selected)

 UMIK X with accessories

UMA XL combined view




Template diagram for UMIK-X with UMA-4 modules


Diagram UMIK X


Template diagram for UMIK-X with UMA-XL modules




Want to Learn more? Check out our extensive application note on how to use the  UMIK-X + REW +  MultiSub Optimizer Freeware.

 USB to A2B interface

Item Description
USB streaming engine XMOS Multicore USB audio processor for UAC2 streaming
USB audio capabilities USB audio recording for up to 16ch audio channels
  • Driverless under OSx, Linux
  • Custom ASIO drivers for Win10 platforms
Resolution / Sample rate 24bit @ 44.1/48 kHz
Analog Devices A2B link Multichannel audio link via A2B protocol, Up to 40m long cable
Toslink Toslink Out: Stereo link to Playback system / Toslink In: No enabled
LED Power/Active link indication
Power supply External 5V USB power supply
Dimensions / Weight

24x64x67mm / 90g


UMA-4  Microphone Module

Item Description
Analog Devices A2B link Multichannel audio link via A2B protocol. Dual port for Daisy chain up to 4 x UMA4
MEMS microphones 4 x Knowles MEMS with low noise buffer and high performance modulator
  • Low distortion: 1% @ 130 dB SPL
  • Sensitivity: -37dBFS @ 94dB SPL (1kHz)
  • Acoustic Overload Point (AOP): 132.5dB SPL
  • High SNR: 66 dBA and flat frequency response
  • RF shielded against mobile interference
  • Ominidirectional pick-up pattern
  • Matched sensitivity for uniform response
Mounting Plastic clamp for microphone mounting
Dimensions (mm) / Weight 160x180mm/ 27g



Using the miniDSP UMIK-X with Multi-Sub Optimizer


This app note demonstrates how to use the miniDSP UMIK-X multichannel measurement microphone with Multi-Sub Optimizer (MSO). Because the UMIK-X measures multiple channels with a single sweep, there is no need to move the microphone to measure in multiple locations, greatly simplifying and speeding up complex measurement and optimization procedures.

Please note that MSO is third-party software. miniDSP is not able to directly provide support for this software. For questions or issues specifically related to MSO, please refer to the AVS Forum MSO discussion thread.


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