Found this suprisingly kind of promising looking headband mod on aliexpress For KOSS Porta Pro, KSC35, KSC75, KSC55 : r/headphones
Amazon.com: Voarmaks Light Version Headband Head Pad Top Foam Cushion Ear Pads Compatible with Koss Porta Pro PP KSC35 KSC75 KSC55 Headphones Portable Featherweight HeadBeam : Electronics
Head Kore 87 Review|koss Pp Headband Replacement - Metal Cushion For Portapro Headphones
Head Kore 87 Review|koss Pp Headband Replacement - Metal Cushion For Portapro Headphones
Headband Head Pad Top Cushion For KOSS Porta Pro PP KSC35 KSC75 KSC55 Headphones | eBay
Amazon.com: YunYiYi 2 Pairs Black Replacement Sponge Headband Head Band Foam Pads Cushions Repair Parts Compatible with Koss Porta Pro PP Headphones Headset : Electronics
Replacement Headband Parts for KOSS Portable Portapro Porta-Pro NO Speaker | eBay
Headband Head Pad Top Cushion For KOSS Porta Pro PP KSC35 KSC75 KSC55 Headphones | eBay
Yaxi Earpads For Koss Porta Pro/KSC75/KPH30i Review - Tutti Frutti • Music For The Masses
Head Kore 87 Review|koss Pp Headband Replacement - Metal Cushion For Portapro Headphones
Taking Koss Portapro to the Limit (cool mods). | Page 3 | Headphone Reviews and Discussion - Head-Fi.org
Replacement Headband Parts for KOSS Portable Portapro Porta-Pro NO Speaker | eBay
Porta Pro® On Ear Headphones - Koss Stereophones
Blue Replacement Headphone Parts Speakers Sound Drivers For KOSS PP Portable Portapro Porta-pro Headset Headphones
Replacement Headband Parts for KOSS Portable Portapro Porta-Pro NO Speaker | eBay
Upgrade Premium Metal Headband For KOSS Porta Pro KSC35 KSC75 KSC55 Headphone | eBay
Upgrade of Koss PortaPro headphones | Yktoo
Amazon.com: Koss Porta Pro Classic On-Ear Headphones, Retro Style, 3.5mm Wired Plug, Durable, Black/Silver : Electronics
Amazon.com: Koss Porta Pro Utility On-Ear Headphones, Detachable Interchangeable Cord System, Collapsible Design, Stealth Grey : Electronics
Head Kore 87 Review|koss Pp Headband Replacement - Metal Cushion For Portapro Headphones
Koss Porta Pro headband mod : r/headphones
Upgrade Premium Metal Headband For KOSS Porta Pro KSC35 KSC75 KSC55 Headphone | eBay
Porta Pro Alternative Housing/Headband and Ear Foam Suggestions Please | Headphone Reviews and Discussion - Head-Fi.org
Koss Porta Pro Repair - iFixit
Amazon.com: Voarmaks Great Size Over Ear Pads Compatible with Koss Portapro Porta Pro Ksc75 Kph40 Kph30i Headphone Headset Earpad Sponge Cushion Replacement Foam Pad Covers (Great Over Ear Pads) : Electronics
Broken Koss Porta Pro hinge. Can this still be fixed? : r/headphones
Headband Replacement Parts for KOSS PP Portable Portapro Porta-Pro Replacement Headband Head band Repair
