OSTRY KC09 HiFi Audiophile MMCX Detachable In-ear Earphone


KC09 is the Upgraded Version of KC06A


  • KC09 vibration diaphragm uses Ostry unique eardrum biomedical film to do the substrate, made of liquid film transparent film, music listening more comfortable.

Meticulous and reliable selection

  • The headset line is made of relatively soft multi-stranded wire. This can be used to ensure that the habit of wearing a general way to wear the headphones naturally drowned, so that the effect of reduced stethoscope, but also easy to wear around the ears and fit for music audiophile's compliance that paste ear.

Standard MMCX interface

  • KC09 uses standard MMCX interface with the switchable design, the correct assembly is not easy to fall off, according to the needs to replace wire independently.

Different music, different enjoyment

  • A small, middle and large size silicone ear pads, 3sizes, 6 pairs of experience, the choice of intimate care of your ear cancel. There are two kinds of each size, soft texture, let you forget their presence.


  • Driver: 10mm CCAW
  • Diaphragm: EBT (based on eardrum bionic technology)
  • Sensitivity: ≥101dB
  • Rated impedance: 32Ω ± 15%
  • Frequency response: 20Hz-20kHz
  • Distortion: <1% 101dB
  • Channel difference: <1.5Db
  • Rated power: 10mW
  • Wire: 1.30m detachable cable
  • Plug: 3.5mm three-core plug


  • OSTRY KC09 earphone
  • 2 Cables
  • 6 pairs of silicone eartips

Write a review

Note: HTML is not translated!
    Bad           Good

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: 12576
  • Brand: OSTRY
  • Product Code: KC09
  • Availability: In Stock
  • $99.90

Available Options

Tags: OSTRY KC09, OSTRY KC09 HiFi Audiophile MMCX Detachable In-ear EarphoneDescriptionKC09 is the Upgraded Version of KC06A DiaphragmKC09 vibration diaphragm us, KC09