Powerbass PSWB10 Dual 10-Inch Loaded Enclosure 12-Inch 4-ohm Dual voice coil 375 Watts RMS 750 Watts max power handling Comes with mounting plate application guide with box building tips and Powerbass decal 2 Inch Vented BASV voice coil former Non-pressed paper cone with large roll Santropene Surround Black Emissive coated back plate and pole piece Two 10-Inch Woofers in a heavy duty box design of non-resonant 5/8-Inch panels coated in aviation grade two tone vinyl Bass Reflex Dual Port sytem using flared Venturi port tubes for exact tuning and zero port noise Treated paper cones with DDC Dynamic Damping coating 2-Inch voice coil 1,000 Watts peak power handling 500w RMS Computer optimized Acoustic Chamber