MB-21 8 Watt VHF Extension Speaker - WhiteThis compact marine communications speaker includes a stainless steel mounting bracket and stainless steel grill. These waterproof communication speakers can be mounted where you can hear your VHF radio.Features: Completely waterproof and corrosion-proof Features stainless steel grills, sturdy plastic frames, polypropylene speaker cones and Teflon-coated wires 10&'; Lead wire w/mini-plug and RCA adapter Specifications: Peak Power Handling - 8 watts Continuous Power - 4 watts Speaker Impedance - 4 ohm Weight - 0.35 lbs per speaker Overall Dimensions - 2-15/16" x 2-3/4" x 1-5/16" (74mm x 69mm x 33mm) *Sold as a SingleThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications: Type: Speakers Box Dimensions: 2"H x 5"W x 8"L WT: 0.5 lbs UPC: 731128002101 Quick Guide (pdf)