VHF Extension Speakers Surface Mount, Part Number: MB-41B , A stand-alone 4" VHF extension speaker that's completely waterproof, with stainless steel grill and mounting bracket, ABS housing and polypropylene cone.
10W Maximum Power Handling., Features, Completely waterproof and corrosion-proof, Features stainless steel grills, sturdy plastic frames, polypropylene speaker cones and teflon-coated wires, Ideal for use as a VHF remote, Available in black or white color speaker , Specifications, Peak Power Handling: 20W/pair, Speaker Impedance: 4 ohm, Frequency Range: 1K to 10K Hz, Weight: 1.