Where do I ship my headphones for individual calibration? Viesturs Updated November 18, 2019 22:06 Follow Our address is: Street: Smerla iela 3City: Riga Country: Latvia Postal Code: LV-1006 Company: SONARWORKS Ltd Related articles How long does it take to calibrate my headphones? What is an individual headphone calibration? I received my individually calibrated headphones but there is no individual calibration file. Where do I get it? (Reference 4.2 & legacy versions) Can I use in-ear headphones with Reference 4? I received my individually measured headphones. How do I load my profile? (Reference 4.3) Comments 0 comments Please sign in to leave a comment.