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-A2000LD2 Shallow-mount 8" subwoofer with dual 2-ohm voice coils at Crutchfield
TS-WX1220AH - 12" - 3000w Max Power, Built-In 1200w Output Amplifier - Ported Active Enclosure Subwoofer | Pioneer Electronics USA
Pioneer Subwoofer and auto receiver with installation kit - Speakers & Subwoofers - Lincoln, Nebraska | Facebook Marketplace | Facebook
Pioneer Sealed 12 in. 1300-Watt Active Subwoofer with Built-in Amp TS-WX1210A - The Home Depot