The Astell&Kern AKR01 In-Ear Monitors are developed in collaboration with Final Audio Design and specifically tuned for the Astell&Kern AK100 & AK120 Mastering Quality Sound Portable System. The AKR01 is based on Final Audio Design's Heaven IV In-Ear Monitors. Enjoy a balanced & natural sound that reduces unwanted sibilant high-frequency sounds from the BAM (Balancing Air...
“First of all, I'd like to mention overall view of this headphones, it's really stylish. I've listened to them with Fiio E6. Without burn-in, their sound IMO is extremely owerbrighten, but after 20-25 hours it's become more straight and normal. I think this headphones sounds good for vocals, instrumentals and classical music, due to nice airy highs and mids. On some rock songs they're...” --cleg