TS-W308D4 - 12" Champion Series Subwoofers with 1400 Watts Max. Power | Pioneer Electronics USA
Pioneer Champion Series PRO TS-W3003D4 12" subwoofer with dual 4-ohm voice coils at Crutchfield
Pioneer TSW312D4 Champion Series 12" 1500 Watt Dual 4 Ohm Voice Coil DVC Car Subwoofer - Walmart.com
Amazon.com: Pioneer TS-A300D4 12 Inch 1500 Watts Max Power Dual 4-Ohm Voice Coil A Series Car Audio Stereo Subwoofer Loudspeakers / Free Alphasonik Earbuds : Electronics
Pioneer TS-1200M 12" - 1400 W Max Power, Single 4Ω Voice Coil, IMPP™ cone, Rubber Surround | Component Subwoofer - Walmart.com
Pioneer Champion Series TS-A301D4 1600 Watts 12 inch Dual 4 Ohm Car Subwoofer - Walmart.com