ISN is a Chinese company that specializes in in-ear monitors, earbuds and cables. I would like to thank ISN for the review unit of the D10. At the moment, the ISN D10 can be purchased from Penon.



  • Driver Configuration: 9mm Dynamic
  • Impedance: 16 Ω @ 1kHz
  • Sensitivity: 100 ± 3dB @1kHz
  • Frequency Range: 20Hz – 20kHz

Unboxing & Accessories

The D10 comes in a blue package with protective cover that sports the image of the D10, model name, brand logo and short description of the D10. There are specifications at the back of the cover. Inside the package, there is a black case that contains the D10, detachable MMCX cable, tips, carabiner and cleaning tool.

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