TECHWEEK
Koss has introduced a new model of headphones in the Utility series – Porta Pro . Owners of headphones will have the opportunity to use a 3.5 mm jack for connection, as well as the ability to use a USB-C to Lightning cable with a built-in microphone.
Porta Pro operate in the frequency range of 15 – 25,000 Hz with a sensitivity of 101 dB and an impedance of 60 ohms.
For $50 , in which the new headphones are priced, users, in addition to the device itself, will receive a detachable 3.5 mm cable and a carrying case.
Specifications:
- 15-25,000 Hz
- 101 dB SPL
- 60 Ohms
- 4 ft / 1.2 m
