Source LDH wholesale Italy RCF 18inch pro sound system subwoofer speaker driver with Lower MOQ on m.alibaba.com
Audio System ASW-10 10" dual coil subwoofer – SoundQuality.net
BOSS Audio Systems CH10DVC Chaos Series 10 Inch Car Audio Subwoofer - 1500 Watts Max, Dual 4 Ohm Voice Coil, Sold Individually, For Truck, Boxes and Enclosures, Use With Amplifier - Walmart.com
PHD Audiophile FB 8.1 SUB - 8inch Subwoofer — The Audio Co.
IS S118A
DAT-Italy Professional Speakers, 30 W to 80W and 200 W to 1500W
Faital Pro 6FE200 4Ohm 6" MidRange 260W Car Audio Woofer Speaker 95 dB – Hot Beat Electronics
100% Pure Design BS-820 2x18" Passive Subwoofer Made in Italy | eBay