“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
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...
“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
“ 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