Here's my humble collection so far from Kenya. One of my dreams is to be in a position to start up a company to offer this side of our audio world in
AKG『K550MKII』ジャンクなヘッドホン三連戦③修理・改造編 - Sat03 Labs
AKG K550 MKII & MKIII - YouTube
Misodiko-almohadillas de repuesto para orejas y Diadema para AKG K550, K550MKII, K551, K553, MKII, MK2, piezas de reparación, cubierta de almohadillas para orejas - AliExpress
AKG K550 mkII – Over-ear Mania
K550MKII | Closed back reference class headphones with amazing comfortable fit.
Amazon.com: AKG K550MKII Sealed Headphone New Generation 50mm Diameter Dynamic Driver Adopted Reference Black K550MKIIBLK : Electronics