The MA-8506 Titanium Series Speaker is a 6 waterproof, ultra low magnetic field 200 watt speaker with titanium plated cone. These three way speakers are perfect for replacement or upgrade of existing speakers and the magnets will not interfere with navigation equipment."Crossover Type: 3-wayCrossover Supported: YesRMS Output Power: 100 WPMPO Output Power: 200 WDriver Type: 6 TitaniumDriver Type: Mylar TweeterDriver Type: MidrangeMinimum Frequency Response: 55 HzMaximum Frequency Response: 20 kHzImpedance: 4 OhmApplication/Usage: MarineWeight (Approximate): 1.85 lbPackage Contents: MA8506 - 6" Titanium Series SpeakerMounting ScrewsSpeaker WiresPackage ContentsMA8506 - 6" Titanium Series SpeakerMounting ScrewsSpeaker Wires"