-12" size-Double voice coil (DVC) 4+4 ohm-3" Copper voice coil-Hard pressed pulppaper cone material-Flat dustcap design-Soft rubber foam surround-Kapton spider-Reinforced diecast basket-Push pull speaker terminal-Double stacked magnet-Vented motor system-Low fs :25hz-Sens 90db-Max power 1500watts