The Phiaton PS 300 NC headphones ($299) use Valves of the Heart Sound Technology (VHST) to control airflow into and out of the headphone speakers.Phiaton PS 300 NC
The Phiaton PS 300 NC headphones ($299) use Valves of the Heart Sound Technology (VHST) to control airflow into and out of the headphone speakers.- Log in or register to post comments
