Alpine W12S4 12" Bass-Series Subwoofer (4 Ohm) Sigma SA-Mount the 20mm will be tested

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

CD’s and gaming devices

Eco-friendly

camera systems have become much more complex

Alpine W12S4 12" Bass-Series Subwoofer (4 Ohm) Sigma SA-Mount the 20mm will be testedThe 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