Alpine SS40 - S-Series 4" Coaxial Speaker 140w with 4x6 Adapter

The all-new Alpine S-Series speakers are forged with new materials and innovative manufacturing techniques to deliver amazing sound quality beyond their price range. They feature Alpine’s HAMR surround for high linearity and accuracy, as well as a new patented CFRP cone for excellent clarity and responsiveness. With their extreme efficiency makes them perfect for OEM upgrades, plus with many sizes available they suit a wide variety of vehicles.

The S-Series S-S40 is an extremely versatile speaker, it’s ready to install into a standard 4 inch speaker location, as well as a 4×6 inch speaker installation with the included multi-fit adapter plate.