Amazon.com: Austrian Audio Hi-X55 Over-Ear Headphones - High Comfort with Slow Retention Ear Pads - Maximum Flexibility - 3.5mm Jack - Includes Adaptor to 6.3mm - Black : Electronics
Austrian Audio Hi-X60 Review | ONE of The BEST STUDIO HEADPHONES - YouTube
AUSTRIAN AUDIO Hi-X55 HEADPHONES REVIEW | Best Headphones For Recording & Mixing Music? - YouTube
Hi-X55 - Austrian.Audio - Professional Over-Ear Closed-Back Headphones
Bibb Technical Services. AKG K240 Monitor Studio Headphones, from Austria.