uxcell 4Pcs 28mm Dia 4-Pin Balance Connect Metal Case Magnet Speaker Audio Amplifier Loudspeaker 2W 8 Ohm for Music Player Product Name : Magnet Speaker;Power : 2W;Resistance : 8 Ohm Type : Internal Magnet;Shape : Round;Contect Type : 2-Pin Balance Wire Length : 30mm/1.2";Hole Dia : 3mm/0.12";Hole Center Distance : 32mm/1.3" Magnet Diameter : 16mm/ 0.63";Size : 38 x 28 x 5.2mm/1.5" x 1.1" x 0.2"(L*D*T);Material : Magnet,Metal, Plastic Weight : 31g;Package Content : 4Pcs x Inside Magnet Speaker