By using state of the art calibration technology, SoundID Reference identifies the differences and calibrates every headphone to perform as close to reference as possible. Our technology can squeeze the last drop of performance out of your existing headphones. If preferred, you can buy a new pre-calibrated set.
news item which caught my eyes, just thought I'd share it with you guys.I haven't investigated any further yet, but I thought this was potentially interesting.According to their WEB site:"A full frequency sweep along the audible range produces a frequency response data. I could understand if they just provide a compensating data to correct certain models, but it sounds like they somehow can calibrate your headphones.