Patent ID: 8983111
Filing Date: 2015-03-17
Classification: H04R

Abstract:
1. A speaker comprising: a box having a cavity with a sound hole and defining a cover, a case and a frame sandwiched between the cover and the case; a magnetic circuit unit received in the cavity and having a first magnetic gap and a second magnetic gap; a first vibrating unit defining a first diaphragm and a first voice coil suspended in the first magnetic gap; a second vibrating unit defining a second diaphragm and a second voice coil suspended in the second magnetic gap; a pair of first pads embedded in the cover for electrically connecting with the first voice coil; a pair of second pads embedded in the frame for electrically connecting with the second voice coil; a terminal board mounted on the outer surface of the box and defining a first portion mounted on the cover for electrically connecting with the pair of first pads, a second portion extending from the first portion and mounted on the frame for electrically connecting with the pair of second pads, a third portion extending from the second portion and mounted on the case for electrically connecting to an external circuit.