After 32 years, Koss finally considers color options for the Porta

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I removed diaphragms and rebuilt both drivers by hand and restored this Koss KSP (many pics inside), it's the PortaPro's original granddaddy. FINALLY found one to buy, but it was completely dead

Clip the Koss KSC75 headphones comfortably over your ear and let yourself be amazed by the great sound of these high fidelity clip headphones. The ideal active headphones for music lovers living an active lifestyle. The KSC75 Titanium s soft, foam ear cushions guarantee an open, hear-through sound for when you prefer to stay connected to your surroundings. Pivoting clips provide a better fit than most over-the-ear sports headphones.

Koss Porta Pro Limited Edition Rhythm Beige Headphones

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The Sound of Koss - New Colorway, same classic Porta Pro sound, Great Retro Look Stay Connected - Take calls and control your music with the in-line

Koss Porta Pro Limited Edition On-Ear Headphones, in-Line Microphone, Volume Control and Touch Remote Control, Retro Style, Includes Hard Carry Case

Koss Porta Pro Black On-Ear Headphones, Retro Style, Collapsible Design, Case Included, Black : Electronics

Designed for Deep bass performance Comfortable, secure fit with adjustable headband and multi-pivoting ear plates Two adjustable temporal-comfort zone

Koss Porta Pro Black On-Ear Headphones, Retro Style, Collapsible Design, Case Included, Black

8 Best Open-Back Headphones [2023]

End game acquired : r/headphones

I removed diaphragms and rebuilt both drivers by hand and restored this Koss KSP (many pics inside), it's the PortaPro's original granddaddy. FINALLY found one to buy, but it was completely dead

Gave into the temptation of buying Koss Porta Pro + Yaxi pads : r/headphones

Koss Porta Pro KTC: Classic Headphones Get Modern Update