800w 10 Inch Super Subwoofer With Tweeter Car Audio Fever Diy Car Truck 12v24v High Power Speaker Active Speaker Modification - Speaker Accessories - AliExpress
Pioneer TS-W3820PRO subwoofer (3500 W)
Pioneer TS-W106M 1100W Peak (250W RMS) 12 Single 4-Ohm Car Subwoofer - Black