Patent ID: 9456269
Filing Date: 2016-09-27
CPC Classification: H04R

Claim Text:
1. A plug earphone or concha earphone with a front portion and a rear portion, wherein a flexible plug can be placed on the front portion which includes an outer portion and an inner portion, and at least one electroacoustic transducer is arranged in the rear portion, wherein the front portion and the inner portion is positioned on at least one of the electroacoustic transducer and an opening of the rear portion produced in this area, wherein the inner portion and the outer portion, together with a front wall of the rear portion forms at least one radial channel that leads from an interior of the front portion to the outside, wherein an acoustic friction piece is arranged in the at least one radial channel and extends into an outer opening that is formed on the outer portion of the front portion, wherein the outer opening is defined by a first wall on the front portion and a second wall on the rear portion, and wherein the outer opening is positioned on an exterior of the plug earphone or the concha earphone.