Lanzar OPTI1233D Optidrive 12-Inch High Power Dual Voice Subwoofer - Walmart.com
Best Buy: Lanzar OptiDrive OPTI5C Car Speaker 200 W RMS 2-way 2 Pack Black OPTI5C
Lanzar Opti5c Optidrive 400 Watt 5.25'' Component System
Lanzar Upgraded Opti-Drive Pro 8” Coaxial Car Speaker - Powerful 1200 Watts 8 Ohms High Quality Paper Cone w/ 70Hz - 22 KHz Frequency Response and 55 Oz Magnet … | Subwoofer, Car audio systems, Subwoofer speaker