Custom Headphone based on Koss KPH30i Clear speakers. Added attachment pin for headband and adapter for Grado L or G pads and Koss KSC75 inspired speaker enclosures. : r/headphones
How I fixed my KPH30i broken side adjusters : r/headphones
Clear KPH30i (impressions and comparisons in comments) : r/headphones
A Visual Guide to Replacing Your Koss KPH30i's Earpads | Headphonesty
Koss KPH30i Headphones Review. The most audio and design I've ever… | by Alex Rowe | Medium