Final Audio S4000 Earphones portable UPnP AV and DLNA kompatible

UPnP AV and DLNA kompatible Server

Introducing the first true wireless earphone by Grado

it was necessary to raise the frequency of bass tones to a level that the driver unit can reproduce

they are sweatproof

Upper lid and compartment

Final Audio S4000 Earphones portable UPnP AV and DLNA kompatibleS4000 Equipped with "tone chamber system" that brings out the sound of the earphone housing Newly developed a "tone chamber system" that brings out the new possibilities of the BA driver. By providing a special acoustic space on the front of the driver, the sound of the BA driver's original acoustic characteristics brings out the sound of the housing material. In order to enable this system accurately, it is necessary to control the volume in the