Cobra HG S300 HighGear Noise-Canceling External Speaker

15 watts; Noise-canceling external speaker ; 4 in. speaker with 5.5 oz. magnet ; 8 ohms ; Permanent magnet driver ; Coated speaker cone; Mylar(R) dust cap; Black, metal-mesh grille with gray shell ; 180deg -ratcheted swivel-mounted bracket ; 3.5 mm plug;