Pioneer TS-A100D4 10" subwoofer with dual 4-ohm voice coils at Crutchfield
Subwoofers | Pioneer Electronics USA
Pioneer 12" 1400 W Max Power, Single 4-ohm Voice Coil, IMPP cone, Rubber Surround Component Subwoofer BLUE TS-A123R - Best Buy
Car Subwoofers | Pioneer
Pioneer TS-1200M 12" - 1400 W Max Power, Single 4Ω Voice Coil, IMPP™ cone, Rubber Surround | Component Subwoofer - Walmart.com
Pioneer TS-WX1210AM 12” 1300 Max Power Ported Enclosure Active Subwoofer with Built-in Amplifier - 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 12 Inch Subwoofers TS-A301D4 / TS-A301S4 System Overview - YouTube
Pioneer TS-WX3000T | Subwoofers, Tube Series, Champion Series Subwoofer, Champion Series Red Subwoofer | Pioneer Middle East - Car Stereo, Car Subwoofer, Amplifier