Koss on Twitter: "Make Your Mark & Vote - Help us choose which Porta Pro Limited Edition to produce: https://t.co/bQFnvjCqY4 https://t.co/Ail264encL" / Twitter
![KOSS PORTA PRO CLASSIC Hi-Fi On-ear headphones Corded (1075100) Black, Silver Light-weight headband | Conrad.com KOSS PORTA PRO CLASSIC Hi-Fi On-ear headphones Corded (1075100) Black, Silver Light-weight headband | Conrad.com](https://asset.conrad.com/media10/isa/160267/c1/-/en/1881953_BB_00_FB/image.jpg)
KOSS PORTA PRO CLASSIC Hi-Fi On-ear headphones Corded (1075100) Black, Silver Light-weight headband | Conrad.com
![Koss Porta Pro Limited Edition Black Gold On-Ear Headphones, in-Line Microphone, Volume Control and Touch Remote Control, Includes Hard Carrying Case, Wired with 3.5mm Plug, Black and Gold Koss Porta Pro Limited Edition Black Gold On-Ear Headphones, in-Line Microphone, Volume Control and Touch Remote Control, Includes Hard Carrying Case, Wired with 3.5mm Plug, Black and Gold](https://m.media-amazon.com/images/I/61VWki57RqL.jpg)