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-proofFeatures stainless steel grills, sturdy plastic frames, polypropylene speaker cones and Teflon-coated wires10' Lead wire w/mini-plug and RCA adapterSpecifications:Peak Power Handling - 8 wattsContinuous Power - 4 wattsSpeaker Impedance - 4 ohmWeight - 0.35 lbs per speakerOverall Dimensions - 2-15/16" x 2-3/4" x 1-5/16" (74mm x 69mm x 33mm)*Sold as a Single