ikko is a Chinese company that specializes in iems. The OH1 is their debut product. Their latest release is the OH10. I would like to thank ikko for this review unit. At the moment, the OH10 can be purchased from Penon Audio or ikko.



  • Drive Configuration: 1 Balanced Armature (Knowles 33518) + 1 10mm Dynamic
  • Sensitivity: 106db
  • Impedance: 18ohm
  • Frequency Response: 20-40khz

Unboxing & Accessories

The OH10 comes in a black package with a protective cover that sports the brand logo, artwork, model name and short description of the OH10. Inside the package, there are the OH10, detachable 2 pins 0.78mm cable, tips, ikko pin and information guide in the form of a parchment.


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