718d: 600w to 1200w - 18 Inch Power Tuned Subwoofer - DD Audio
LS-26 Silver8 8-inch Closed Full Frequency Household HIFI Loudspeakers (1 Pair) - AliExpress
PRICE LOWERED** Single 13TW5v2 Truck PowerWedge Sealed 2 Ω CS113TG-TW5v2 - $380 shipped | DIYMobileAudio.com Car Stereo Forum
DS18 HOOLIGAN X Black Frame, High Excursion 12" audio Subwoofer 4000 Watts RMS 4" DVC 1-Ohm
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
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
GHXAMP Carbon Fiber Cone 4 inch 117mm Mid Bass Speaker Enthusiast Woofer High-end Level Natural Sound 8OHM 25W for SONY 2PCS - AliExpress