Sell 7x7 inches Horn Trumpet 7 x 7" Tweeter Horn Trumpet Hard Plastic Thread Type best price

7x7 inches Horn Trumpet Tweeter Horn Trumpet Hard Plastic Thread Type Product Description -The horn serves to improve the coupling efficiency between the tweeter driver and the air. The horn can be thought of as an acoustic transformer that provides impedance matching between the relatively dense diaphragm material and the less-dense air. The result is greater acoustic output power from a given driver. - Made from Hard Plastic horn -Thread type -Sold per piece not included driver unit .