In addition, an offset in the displacement direction of the vibration system of the speaker unit is detected with a Hall element and fed back to a power amplifier in order to correct the offset in the displacement direction of {HEAD ~ the vibration system} of {TAIL ~ the speaker unit} 
of
In addition , an offset in the displacement direction of the vibration system of the speaker unit is detected with a Hall element and fed back to a power amplifier in order to correct the offset in the displacement direction of { HEAD ~ the vibration system } of { TAIL ~ the speaker unit }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL