miniDSP UMIK-2 USB Microphone


UMIK-2 is a reference class calibrated omni-directional USB microphone suitable for speaker and subwoofer measurement, or digital room correction using Room EQ Wizard, Dirac Live and other popular software.

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Brand: miniDSP Category:


miniDSP’s UMIK-1 and UMIK-2 omnidirectional USB measurement microphones work perfectly with Room EQ Wizard (REW), Dirac Live and other popular measurement software. Both models come with individual calibration files for horizontal and vertical placement, to provide highly accurate measurements in either orientation.

The lower cost UMIK-1 microphone has a sample rate of 48 kHz, which allows it to measure audio frequencies up to 24 kHz. It covers the entire audible band and provides more than enough bandwidth for subwoofer integration or room correction duties, where attention is mostly focused on the low frequencies.

For those who want to understand the behaviour of their speakers or room beyond the audible band and into the ultrasonic, miniDSP offers the UMIK-2. UMIK-2 is equipped with a larger, more sensitive microphone capsule and a higher end analogue to digital converter (ADC), which provides a maximum sample rate of 192 kHz. This enables UMIK-2 to reliably measure frequencies up to 96 kHz (two full octaves more than UMIK-1).

  • USB audio reference measurement microphone
  • Unique calibration files for each microphone
  • 1/2″ capsule on 60 UNS thread
  • 32 bit 44.1 kHz – 192 kHz recording
  • Custom Windows ASIO drivers and plug and play on macOS and Linux
  • Low noise floor preamps and ADC (120 dB dynamic range)
  • Compatible with a wide range of measurement software, including REW and Dirac Live
  • Supplied with USB cable (type A to type C), mini tripod, microphone clamp and wind screen

Additional information




Calibration File

Calibration files provided for vertical and horizontal orientation, Calibration files referenced to the serial number include on axis frequency amplitude / sensitivity drift

Digital Outputs


Capsule Type

1/2" capsule on 60 UNS thread



Sample Rates

32 bit / 192 kHz

Maximum SPL

125 dB

Power Supply

USB powered (5 V)

USB Audio Class

USB audio class 2.0


3/8" threaded microphone clamp, Foam wind screen, Mini tripod, USB cable

Dimensions (WxDxH)

21 x 21 x 185 mm


150 g

Documents and downloads

UMIK-2 data sheet

UMIK-2 user manual

UMIK-2 Windows driver

Frequently Asked Questions

miniDSP UMIK-2 comes with two calibration files. Use the 0 degree calibration file when orientating the microphone horizontally and the 90 degree file when orientating the microphone vertically.

It depends on the task you are performing. For room correction duties in stereo systems, miniDSP recommends orientating the microphone horizontally and pointing the microphone between the speakers. For multi-channel systems, miniDSP recommends orientating the microphone vertically instead.

You will get accurate results with either horizontal or vertical orientation, as long as you are using the appropriate calibration file. We actually favour using vertical orientation for room correction of both stereo and multi-channel systems. Just remember to use the 90 degree calibration file to get accurate results.

If you are designing a new speaker or an active crossover for an existing speaker, then you should point your microphone directly at the speaker and use the 0 degree calibration file.

Your miniDSP UMIK-2 USB Microphone will normally be delivered in 1-2 days.

Delivery is free on orders over £100. We deliver anywhere in the UK using premium tracked delivery services from DPD Local, UPS, TNT and Royal Mail.

When you by a product from us, you will have 30 days to decide whether or not you want to keep it. If you decide to return it for any reason, even if you just changed your mind, it will not cost you a penny. Just let us know that you want to return it and we will take care of the rest.

We will agree a collection date with you and send you a pre-paid shipping label for the return trip. You can have full refund or you can try something else instead. It is up to you. All we ask is that you take good care of the product, along with any accessories and packaging, while you are deciding whether or not to keep it.

We accept all major credit and debit cards, including Mastercard, Visa and American Express. We also accept Apple Pay and Google Pay. Payments are securely managed by industry leading payment processor Stripe and protected by SSL encryption. We will not store your card number or other payment information.


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