Alpine W12S4 12" Bass-Series Subwoofer (4 Ohm) Sigma SA-Mount at every focal length from

at every focal length from wide to telephoto

it helps to minimize flare by deflecting unwanted stray light from entering the lens

the 20mm will be tested using the proprietary “A1” measuring system ensuring the highest standard of operation

Chrome steel stand complete with wheels

With Lube it you can keep the bearing of your turntable smooth for a perfect playback

Alpine W12S4 12" Bass-Series Subwoofer (4 Ohm) Sigma SA-Mount at every focal length fromThe W12S4 is for the car audio enthusiast to add powerful bass while keeping it budget friendly at the same time. The Bass Series subwoofers are engineered to be fun and loud in a budget friendly category by combining retro styling with enough efficiency to run on 250W RMS. An optimized magnet circuit allows more focused magnetism in the gap which results in improved efficiency, tighter bass control, and more output. 12 inch single 4 subwoofer