Enhance Your Listening Experience While You’re On The Move With These Marinized Component Tweeters Designed to be dash-mounted in raised positions to restore high frequencies, you can hear vocals over engine, wind, and wave noise. Key features include a compact form factor, low-profile mounting design, IP65 weather rating, and True-Marine™ design with a 3-year warranty. Now with plug-and-play, water-resistant connectors as a standard, you can enjoy simplified installation and improved protection from the elements. Specifications: Physical dimensions (diameter x depth) 2.91" x 1.64" (74 x 41.6 mm) Weight 4.2 oz (0.12 kg) Water and dust rating IP65 Tweeter size 1" Peak power (watt) 330 W RMS power (watt) 60 W Sensitivity (1 W / 1 m) 91 dB Frequency response 3 kHz - 20 kHz Nominal impedance 4 ohms Recommended amplifier power (RMS) 25 - 140 W/Ch Operating temperature range 32° to 122° F (0° to 50° C) Voice coil diameter 1" Material Aluminum dome Tweeter connection Flying lead with water-resistant 2-way connector, 5.9" (150 mm) Compass-safe distance 43.3" (110 cm) Warranty 3 years Mounting Dimensions Mounting diameter clearance 2.01" (51 mm) Mounting depth clearance 1.22" (31 mm) Compatible Devices: Fusion Apollo MS-RA670 Marine Amp Fusion Apollo MS-RA770 Marine Stereo Fusion ApollO MS-SRX400 Marine Zone Stereo Fusion Apollo MS-WB670 Marine Hideaway Stereo Fusion Apollo MS-WB675 Marine Hideaway Stereo Fusion MS-BB100 Black Box Fusion MS-RA210 Marine Stereo Fusion MS-RA60 Marine Stereo Fusion RA70 Series Marine Stereos Fusion Signature Series 3i Marine Coxial Speakers What's in the Box: One pair of component tweeters 6 Phillips stainless steel mounting screws (3.5 mm x 25.4 mm (6 gauge x 1”)) 2 water-resistant cable assemblies with 2-pin connector (5.9" (150 mm)) Documentation