“Astell & Kern AKR01 Jimmy Moon at Astell & Kern was kind enough to lend me a pair of AKR01's for review. Big thanks to him. Anyways, review ahead! What are they: I notice that I haven't seen coverage for these at all, and I wanted to tell you what they are about. The AKR01 is based off the Final Audio Heaven IV design, and is voiced to work well with...” --wolfetan44
First custom earphone in the world with a single 14mm dynamic driver couples with advanced frequency suppression technology (FST). Frequency Response: 10-20000 Hz Impedance：16ohms（including cable） Sensitivity (at 1kHz)：116dB spl (1mW) Important: Due to the size of the driver, people with small ears may not be able to fit. We would need your ear impressions to check for sizes...