“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
“ I bought these and a pair of AF45s on and immediately put the Af45s back in the box after hearing these. I bought a pair of NAD viso50's and find these are much more versatile and forgiving when paired with varied sources. Whereas the Polks sound very pleasant when paired with laptop, streaming spotify premium from my HTC M8 or even save me battery life while sounding just as good through the...” --ToastedWaffles
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...