Abstract: An improved structure of a speaker comprises a speaker frame disposed with a yoke at a lower end, the yoke is disposed with a magnet that is sleeved with a voice coil pipe; a lower damper is sleeved onto the voice coil pipe through a hole, with an outer edge of the damper attached to the outer edge of the bottom inside the speaker frame; a washer is overlapped at the outer edge of the lower damper, then an upper damper is sleeved onto the voice coil pipe through a hole, with its outer edge attached to the washer; two cones are hooked up and attached to each other with a hole of the two cones sleeved onto the voice coil pipe, and an outer edge of a cone surround is attached to a rim of the speaker frame to form the improved structure of the speaker.

Abstract: An earmuff structure mainly comprises a base having a hole disposed at a center thereof, and the base having a plurality of slide rail grooves disposed at a perimeter thereof, each slide rail groove being assembled with a slot of a click for the click to adjust a distance between the click and the center and to be fixed on the slide rail groove of the base; furthermore, the click having a hooking slant near a front end thereof, the hooking slant connecting to a guiding slant; when the base is to be assembled with a headset, an earphone of the headset is led by the guiding slant of the click to make contact with the hooking slant of the click so as to be held by the elastic force of the click; thereby enlarging a contact area between the user and the headset and to improve sound quality and to ensure personal hygiene.

Abstract: An improved structure of a speaker comprises a speaker frame disposed with a yoke at a lower end, the yoke is disposed with a magnet that is sleeved with a voice coil pipe; a lower damper is sleeved onto the voice coil pipe through a hole, with an outer edge of the damper attached to the outer edge of the bottom inside the speaker frame; a washer is overlapped at the outer edge of the lower damper, then an upper damper is sleeved onto the voice coil pipe through a hole, with its outer edge attached to the washer; two cones are hooked up and attached to each other with a hole of the two cones sleeved onto the voice coil pipe, and an outer edge of a cone surround is attached to a rim of the speaker frame to form the improved structure of the speaker.