Koss iSpark iPhone Stereophone (Black)

[image] Audiophiles are no strangers to Koss. After all, the Wisconsin-based company has been at the forefront of audio innovation since developing the world’s first stereo headphone in 1958. Over the years, we’ve sold many of Koss’s flags...

About a year ago, I shared the story of how I discovered a working set of Koss headphones from the 1960s while I was killing some time in an antique store . https://www.massdrop.com/buy/massdrop-x-koss-porta-pro-x-headphones/talk/1790498 ...

Given the number of Koss headphones purchased here, a Drop for an upgrade to the energizer would probably have quite a few takers

I was looking for a replacement for my dad's Sennheiser HD 280 Pros since the headbands and earcups were going bad. When I saw the drop of -$60 off of $149.99 Koss headphones, I convinced him to upgrade to this pair. I had recently purchased ...

I've been getting an intermittent hissing in these headphones which persists for a few seconds even after I turn them off, and have seen this on my original as well as the RMA unit I received. I run them out of USB from my PC through an SMSL...

I first bought the Koss KPH30i headphones cause of the promising reviews I saw on Massdrop, but recently I feel defeated because my friend bought a local pair of headphones named the Sonicgear Vibra 5 that were like 10-20 bucks cheaper than m...