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...
“ Short impression is here: http://www.head-fi.org/t/642191/ocharaku-flat-4-sui-the-sound-of-tea Bonus impressions TBC. ” --autumnholy
“ Comparing the new Energy Sistem E214 vs SoundMagic PL-30 vs Meelectronics M6-Clear (Westone UM3x also commented on) According to the company's website, this new IEM comes in various colors. The Black model is the E212, Blue is the E214 and so on. All the Energy Sistem models in this line look to have the same components, just made with different color bodies, and different colored...” --willyc32