Koss brought personal headphones to the world in 1958, then released their most popular headset, the Porta Pro, in 1984. Fast forward to 2018 and they've created a Bluetooth edition of the Porta ...

Wading deeper into the growing market for wireless headphones, Koss Corp. Thursday unveiled a new Bluetooth model, the BT539i. The introduction of the $99.99, over-the-ear unit comes a little more ...

There's no better way to put it, the Koss Porta Pro on-ear headphone is beloved, and now with the new Bluetooth version, I have a feeling a lot more people will fall in love with this little 'phone.

The patents were all granted to Koss in 2019, occurring nearly three years after AirPods first hit the market and some 12 years after Apple released its first iPhone Bluetooth headset. In response ...

Koss Corp. engages in the design, manufacture, and sale of stereo headphones and accessories. Its products include wireless, ear clip, over ear, and on ear earphones, Bluetooth speaker and ...