This has now dropped further and represents an all-time low. This is the latest open back on ear from the Koss Porta Pro family, intended as a modern day Porta Pro. The Drop version just has …
Another design flavour of the Porta Pro series of driver, this brings together a refinement of the KPH30i that might be described as a modern Porta Pro. Wide soundstage - though the KSC75 and KPH30i …
Please ignore the Out of Stock message from Koss. Scroll down the page and see if the Add to cart button is available. I ordered with the same message, Received a confirmation immediately & USPS …
