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Ocharaku Sound Flat4-SUI

Out Of Stock Ocharaku Sound Flat4-SUI - Flat4-SUI

Ocharaku Sound Flat4-SUI 2 Dynamic Driver HiFi In-ear Earphones


  • Full-range 2-element 4-way effect effect canal-type headphonesUltra low frequency sound & wide sound propagation overwhelm closed types.
  • Twin-Equalize-Element system
    Epoch-making in headphones and earphones

Patented No.4953490 (JPN)

US Pat. No.8660288

Euro Pat. No.2595408

China Patent No.2067980

  • Placement of opposed elements reduces mechanical vibration due to anti-resonance.
  • Twin element parallel drive improves sound pressure sensitivity of low to middle frequency sound.
  • External auditory meatus tuningTM technology using phase correction tubes dramatically improves middle frequency sound.
  • Deletion of acoustic resistance and employment of small elements dynamically enhances ultra-high frequency sound and realizes wide sound propagation.


  • 010e001 Φ10 mm dynamic x 2 (per single channel)
  • Sound method: Twin equalized element
  • Output sound pressure level:104 dBSPL/mW
  • Frequency characteristics:3.5 to 45 kHz(HiRes-ready)
  • Max. input:400 mW
  • Impedance:18 Ω
  • Mass:About 17 g
  • Plug:Φ3.5 mm gold plating stereo mini-plug
  • Code length:1.2 m (type Y)


  • Ocharaku Sound Flat4-SUI
  • ComplyTM foam ear tips T-200 size L (Size M is attached to the main unit.)
  • Ocharaku Can

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Due to the impact of the COVID-19 pandemic, global international shipping will delays. The delay at our Hong Kong post office is very serious, so we have changed to other fastest or most efficient international shipping. Now the normal estimated delivery time may be delayed by about 1-2 weeks. In some countries where is higher free-tax rate, we will provide free courier service as much as possible.

Free Shipping

All listed items will be shipped though Registered Airmail with tracking number if there is no extra shipping method option listed or shipping description in the product page.

Economy shipping: Will be shipped without tracking number.

Registered Airmail : Will be shipped via such as Hong Kong post , Deutsche Post , Netherlands Post , Singapore Post, you can leave us a message if you have any requirement about the shipping method .

It will be shipped via Hong Kong Post by default, Europe countries can choose to be shipped via Deutsche Post or Netherlands Post, it is also FREE, pls leave us a message if needed.

Express service: Will be shipped via DHL/EMS/UPS/FedEx

  • Views: 8373
  • Brand: Ocharaku Sound
  • Product Code: Flat4-SUI
  • Availability: Out Of Stock
  • $409.00

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