SVS SoundPath Subwoofer Isolation System | Fix subwoofer rattle and improve bass
American Bass HAWK 1544 15" 3000w Peak/1500w RMS Car Subwoofer w/Cooling Ring
Pioneer TS-1200M 12" - 1400 W Max Power, Single 4Ω Voice Coil, IMPP™ cone, Rubber Surround | Component Subwoofer - Walmart.com
One unit (not pair) |15 Inch Woofer for Bass Compensation of Open Baffle or Cabinet | W-15 - Lii Song (Lii Audio), unique speaker, amplfier, quality and cost-saving parts for HiFi DIY