Fusion FR Series MS-FR4021 - speakers - for marine

Key Features and Benefits: True environment protection Designed to withstand the harsh outdoor environment and comply with International ASTM Standards for UV Stability (ASTM-D4329) and Salt/Fog Resistance (ASTM-B117). True waterproof design Complies with IP65 Waterproof and Dust Standards and features a fully sealed cross-over, magnet and tweeter housing with waterproof cone and surrounds. True power saving High efficiency design reduces battery drain.