uxcell 40mm Round Slim Internal Magnet Speaker Trumpet Horn 8 Ohm 2W Product Name : Internal Magnet Speaker;Power : 2W Resistance : 8 Ohm;Type : Internal Magnetic, Slim Shape : Round;Horn Dia : 40mm/ 1.6"(W*L) Thickness : 5mm/ 0.2";Material : Metal, Plastic Weight : 10g;Package Content : 1 x Internal Magnet Speaker