“ So far, up until now, I've never owned true customs IEM. I have owned three universal reshells (UE triplefi10 twice, and Klipsch Custom 3 once), but I'm on the fence that a true custom is born from a specific sound signature developed by the company/brand that is repeatable in every custom build regardless of the wearer's ear anatomy. Let's get started... For weeks, I...” --alphaphoenix
“PREAMBLE INTRODUCING ROCK JAW’S ALFA GENUS SINGLE DYNAMIC DRIVER IEM The Alfa Genus From Rock Jaw Alfa Genus Paired With Fiio X5 RockJaw UK is a relatively new headphone/earphone manufacturer to the Head-Fi scene, so it was with particular interest that I noticed their early posts on the forums, and when they asked for potential...” --Brooko
“ARCANA IEMs: Rock Jaw offers a variety of IEMs and headphones, aiming to provide great value, reliable and robust devices, with self proclaimed minimal packaging and overhead to help minimise cost. Rock Jaw ARCANA IEMs are a solid entry level dual driver IEM offering a fun sound signature at a remarkable value for money. I have so far racked up 40 enjoyable hours of use with...” --ApplesRevenge
ROCK JAW HYDRA feature ROCK JAW's latest designed dual 11mm + 6mm drivers. For greater balance and separation.