DT-3408 2X8" Boom Box Paper Cone with Foam Edge 20 oz Magnet 1"(ASV)Voice Coil 2"X 5" Tweeter 4 Ohm Impedance 60 Watts RMS Power DT-3410 2X10" Boom Box Paper Cone with Foam Edge 30 oz Magnet 1.5"(ASV)Voice Coil 2"X 5" Tweeter 4 Ohm Impedance 80 Watts RMS Power DT-3412 2X12" Boom Box Paper Cone with Foam Edge 30 oz Magnet 1.5"(ASV)Voice Coil 3"X 7" Tweeter 4 Ohm Impedance 100 Watts RMS Power We have many models of car speaker component kits;profession speaker component kits; Loudspeaker Components and GPS , with high end good quality and best prices . If you are interested in our products ,please feel free to contact us . OEM/ODM service :available