Patent ID: 7233680

Claim:
A speaker device for applying electromagnetic force to a voice coil based on a supplied audio signal and generating a sound wave according to the audio signal by vibrating a vibratory plate fixed to the voice coil, comprising: a frame with one end supporting the vibratory plate and the other end supporting electromagnetic force generation means for applying the electromagnetic force to the voice coil; a first connector provided at the one end of the frame and having an input terminal for the audio signal; a first wire drawn from the first connector and connected so as to be conducted to the voice coil through the vibratory plate; a second connector provided at the other end of the frame and having an input terminal for the audio signal; and a second wire drawn from the second connector and connected so as to be conducted to the voice coil; wherein only one of the first connector and the second connector is connected to apply electromagnetic force to the voice coil.