“ Rock Jaw is an audio hardware company based in Britain. Owing true to the legacy of their fore-bearers, Rock Jaw continues to engineer great audio hardware. The Alfa Genus V2 is no exception. You can find the official Rock Jaw store page here. Disclaimer: This review is based upon a sample unit provided to me by a manufacturer in exchange for my honest opinion and...” --Cinder
“Some "Provenance" to the Brand Name: Ocharaku is a "tea themed" company based in Japan. Focusing on Dynamic Driver IEM's, Ocharaku pushes the envelope when it comes to breaking the negative "dynamic driver" stigma (Balanced Armatures being viewed as the superior transducers by audio snobs). Utilizing resonance chambers and other proprietary technologies, Ocharaku is pushing the...” --kevingzw
“ INTRO:- More than a few months ago Rockjaw audio had broguht us the Rockjaw Clarito. I was given an unit back in July I think and I regret this delay, as I should have had brought this review to you guys sooner. I don’t think I need to introduce Rockjaw Audio to you guys as it has been in the scene for last 3-4 years and rose to fame with their Rockjaw Alfa genus...” --suman134
“ Firstly, I'd like to thank Rock Jaw for the Alfa Genus sample. Only a few weeks ago I hadn't heard of the company Rock Jaw, however through a friend was offered to sample one of their new products. Being more than interested in the filter adjustment tuning feature and neodymium drivers I happily took on a review sample. Let me say it's been more than interesting and delightful,...” --H20Fidelity
The Ocharaku Flat4-Kaede The name Flat4 is derived from the description "Full-range 2-Element 4-Way Effect." According to the company website this 4-way effect is as follows: 1st effect Placement of opposed elements reduces mechanical vibration due to anti-resonance. 2nd effect Twin element parallel drive improves sound pressure sensitivity of low to middle frequency sound. 3rd...
“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
“**Edit: Added pictures of the filter nozzles. When Rockbob posted the “Name our latest soon to be released product from ROCK JAW” thread for the Kontrol replacement, I took the first chance I get to enter. Several agonising days of waiting until the closing date, and finally the announcement, I was greeted by a PM from Rockbob himself advising me that I had won the contest....” --penmarker
“This is my take on the SUI version of the Flat4 Dynamic driver IEMs from Ocharaku of Japan , and is taken from my review on earphonia.com . Ocharaku Flat-4 SUI – In Ear Tech Is Driven Further Forward by Takeanidea Flat-4 Sui Ocharaku Earphone SOUND SIGNATURE 8.5/10 BUILD QUALITY 7/10 VALUE 8/10 PROS Bass in the realms of a full sized Sub and mid bass punch and...” --Takeanidea