OPTI824 Lanzar Upgraded Opti-Drive Pro 8” Coaxial Car Speaker - Powerful 1200 Watts 4 Ohms Paper Cone w/ 70Hz - 22 KHz Frequency Respons
Lanzar Opti65 Optidrive 6.5'' Mid-Bass Drivers
Lanzar OPTI1537D at Onlinecarstereo.com
Lanzar Max Pro 6.5'' 600 Watt Small Enclosure 4 Ohm Subwoofer 834120011710 | eBay
Lanzar OPTI1028 Opti-Drive Pro Series 10-Inch 2000 Watt Coaxial Full Range 8 Ohm Subwoofer Speaker | Walmart Canada
Lanzar - OPTI10M-8 - Marine and Waterproof - Vehicle Speakers - On the Road - Vehicle Speakers
Amazon.com: LANZAR Upgraded Opti Pro 6.5” High Power MidBass - Powerful 500 Watt Peak 105Hz – 12 kHz Frequency Response 30 Oz Magnet Structure 4 Ohm w/Paper Cone and Foam Surround Full