Stop plugging your headphones into your audio interface!! Headphone amps demystified.

▶ MY FREE PLUGINS: https://apmastering.com/plugins ▶ MY COURSES: https://apmastering.com/courses TRANSPARENCY AROUND SPONSORSHIP Benchmark HPA4 - loan demo unit (already sent back), no money exchanged hands FOSI Audio ZH3 - review unit (get to keep), no money exchanged hands, affiliate deal refused (discount code provided does not generate kickback) Austrian Audio Full Score One - loan demo unit (already sent back), no money exchanged hands Austrian Audio Composer - loan demo unit (already sent back), no money exchanged hands OLLO Audio X1 - review unit (get to keep), no money exchanged hands Sennheiser HD660S - my own, I would like to be sponsored by Sennheiser but they ignore my emails 2015 Mac book pro - my own, worked on it so much some of the keyboard letters have rubbed off m4 Mac mini - my own. Please let apple know I'd like to be sponsored by them. FOSI AUDIO DISCOUNT FOR ZH3 15% off discount code: ZH3MKT15 (valid until October 25th) Fosi Audio official website: https://bit.ly/fosizh3mkt Amazon : https://gtly.ink/fazh3mkt Fosi Audio ZH3 Giveaway Event: https://fosiaudio.com/pages/fosi-audi... 00:00 - Intro 00:32 - Introducing the amps 03:58 - Measurements 04:19 - Output impedance 05:40 - Introducing headphones 06:41 - Real world difference 13:22 - Inherent frequency response 14:14 - Recallable gain 20:15 - Channel balance 23:46 - Voltage 24:47 - Which was the best? 27:27 -Mystery headphone amps! 32:06 - Conclusion