DB10 10-inch Low Frequency Powered Subwoofer (Black Ash) | Fluance
Amazon.com: Pyle Car Vehicle Subwoofer Audio Speaker - 10 Inch Blue Injection Molded Cone, Blue Chrome-Plated Plastic Basket, Dual Voice Coil 4 Ohm Impedance, 1000W Power For Vehicle Stereo Sound System PLBW104 :
CAB Ultra 10" inch DVC Dual 4 Ohm (Ultra Series) Car Subwoofer 1500 Watts RMS