IATURIZED RECEIVER ASSEMBLY FOR IN-EAR NOISE- ISOLATING EARPHONES
摘要
<p>An in-ear device (1 ) comprises inter alia a miniaturized receiver assembly (20) of sandwich construction with a front plate (22) and a back plate (24) and an electro- dynamic receiver (23) therebetween, the assembly (20) providing a bass-reflex design with a front resonator (29).</p>
