Headphones - headset, ear, open construction, 3,5mm Jack, frequency range: 15 Hz-25000 Hz, sensitivity: 101 dB/mW, impedance: 60 Ohm, cord length of 1,2m In 1984, this icon was first introduced between the headphones and the joy of all devoted enthusiasts until today has retained its original design, performance and above all quality.Sorry, you are trying to view a video that is not supported by your device.High-quality PORTA PRO headphonesIn 1984, this icon among headphones was first introduced and all the devoted fans can be happy that until today, its original design, performance and above all quality have not changed. The headphones are particularly tempting for anyone who enjoys strong and thick bass. This makes them exceptionally fit for listening to electronic and rock music. The combination of quality and reasonable price makes Koss Porta Pro a smart purchase for every ardent music enthusiast. Very comfortable PORTA PRO...