Review: Koss KPH30i – You Should Meet the New Guy | Headphonesty
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
My detachable wireless aptx Koss KPH30i mod : r/headphones