Koss Porta Pro for sale from eBay, Craigslist, Letgo, OfferUp, Amazon,..

Earpad on the ear koss; a model defined as porta pro; A color qualified as black; A connectivity equivalent to wired; Including: headphones, wired. Used here in Usa ¬

Collapsible maximum portability,. Designed deep bass. Used for sa…~

Earpad on the ear black. Of the brand koss; With the following characteristics stereo; A model qualified as porta pro and also to a form factor : headband and this is also including: black, ear ¬

Package includes pair. Are looking give. Price to be agreed upon.…~

Frequency response: 3017,000. Impedance: ohms. Little used. Sensi…~

Earpad on the ear supreme koss. Of the brand supreme | With the following characteristics adjustable headband , an year manufactured represented by 2020s | A manufacturer warranty lifetime | Especially: optic, white ¬

Compatible koss ksc11,. Package includes replaceable. Little used…~

Box vintage 1983. Of the brand koss ¬

Earpad on the ear headphones koss. With the following characteristics adjustable headband. A color characterized by black. A connectivity qualified as 5mm jack. A model represented by ´koss portapro´ just as in particular: headp...

Koss sporta pro. The koss sporta. Old…~

These genuine koss. These official genuine. Surplus. Comitm sell…~