Super-narrow double paper taper loudspeaker

The utility model provides an ultra-narrow type double paper-cone loudspeaker, which is composed of a vibration system, a magnetic circuit system and an auxiliary system. A voice coil of the loudspeaker takes a shape of a runway; the grooves which are vertically downwards are arranged at two ends of a long axis of a vibration membrane and double paper-cones are formed with the transition of an oblique line or an arc at the bottom, and runway-shaped through holes are arranged at the centers of the long axis and a short axis; a magnet takes a shape of a cuboid, a rectangle or a runway; the whole profile of the loudspeaker takes a shape of a long runway, the overall dimension is only 160 multiplied by 21.6 multiplied by 28.9mm and the maximum power that can be provided by the loudspeaker is 16W and the rated power is 10W; the utility model is a full powered range speaker which has high sensitivity, clear and bright medium high frequency and firm base. The magnetic circuit system is far superior to the traditional circular magnet on the condition that the materials and volume are the same; each index of the sound performances of the loudspeaker completely complies with the national standard and the utility model is a loudspeaker which is particularly suitable for the plasma TV set and the flat plate TV set.