“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
“ I love the full size grado HF2 and older grado's but these do not sound good to my ears. Strident and uneven. These were not lovingly crafted or dialed in. There was no 'man' behind the tuning of these and this is evident in the final product. I'd love to see grado come out with a smooth yet dynamic sounding iem similar to the HF2 but am not holding my breath, especially when I've found...” --thelostMIDrange
ROCK JAW HYDRA feature ROCK JAW's latest designed dual 11mm + 6mm drivers. For greater balance and separation.