Sonarworks Expands Headphone Profiles for Reference 4 and Partners with Focusrite

April 16 2019, 00:55
Sonarworks have just announced the latest additions to their list of supported headphone models for Reference 4, the sound calibration software from the Riga-, Latvia, based company. The new models include offerings from major brands like AKG, Focusrite, Pioneer, and Sennheiser, many of which have been added due to user feedback and bring the total count of supported headphone models to over 200 and counting. Meanwhile, Sonarworks is offering Focusrite users a free software license of Reference 4 Headphone Edition.

Reference 4 software, removes unwanted coloration and delivers the same accurate studio reference sound on all speakers and headphones. The software has since been endorsed by many Grammy-award winning mixing and mastering engineers and has won several industry awards and accolades. 

“The feedback from our user base is very helpful when deciding what models to include next,” explains Sonarworks Co-Founder Martins Popelis. “By letting us know what they are actively working with, we can make sure the software supports them.”

The new supported headphone models include:
ADAM Audio Studio Pro SP-5
Audeze LCD-4z
Audeze LCD-XC
Audeze LCD2 Classic
Audeze LCD2 Closed-Back
Audio-Technica ATH-M60x
B&O Play Beoplay H2
Beyerdynamic Amiron Home
Beyerdynamic Custom Game
Beyerdynamic DT 250 250 Ohm
Beyerdynamic T 1 (2nd generation)
Focusrite HP60 MkII
MrSpeakers AEON Flow Closed
MrSpeakers AEON Flow Open-Back
Neumann NDH 20
Pioneer SE-M531
PreSonus HD9
Sennheiser HD 25-1 II Basic Edition
Sennheiser HD 559
Sennheiser HD 58X
Sony WH-1000XM3
Yamaha RH5Ma

In addition to supporting their user community with these updates, Sonarworks is also offering individually calibrated versions of selected new models for sale for even great precision including the Neumann NDH20. As Sonarworks explains, the individual calibration improves the accuracy of supported headphones from +/- 3 dB to +/-0.9 dB. Users wishing to purchase individually calibrated headphones from Sonarworks can visit:

For a list of all currently support headphones, please visit:

Sonarworks and Focusrite
Sonarworks is also offering Focusrite users a free software license of Reference 4 Headphone Edition for those who register their Focusrite hardware products with Focusrite’s Plug-In Collective before May 2, 2019. New Focusrite hardware users need only register an account on the Focusrite website, while existing users can log into their account and download the software and license before May 2. The software license is valid until October 1, 2019.

Reference 4 Headphone Edition is a streamlined edition of Sonarworks’ flagship audio calibration software, aimed towards music creators who monitor entirely on headphones and mix wherever their work takes them. The software calibrates all supported headphone models to a neutral Studio Reference standard, providing consistent and accurate sound that allows creators to make confident mixing decisions and trust that their mixes will translate appropriately regardless of the playback device. The software consists of a DAW plug-in as well a Systemwide app, and currently supports over 200 models of headphones and counting.

“This partnering has been a great opportunity for us to deliver an accurate reference sound to even more users,” says Sonarworks’ Co-Founder and VP Martins Popelis. “We’re glad that we’re together on this mission with Focusrite.”

Read the audioXpress review of the Reference 4 Calibration Software.
For more information about this promotional offer, please visit
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