Jensen MOD15-120 120W 15" Replacement Speaker, 8 ohm 4/8/16 ohms impedances available 120W rated power 240W musical power 97.6 dB sensitivity @ 1W, 1m Heavy 28-1/2 oz. magnet 2&quot; voice coil Ferrite magnet Copper voice coil winding Aluminum voice coil former Paper cone Treated cloth surround Solid paper dust dome Pressed sheet steel basket