VHF Extension Speakers Surface MountPart Number: MB-41B A stand-alone 4" VHF extension speaker that's pletely waterproof with stainless steel grill and mounting bracket ABS housing and polypropylene cone. 10W Maximum Power Handling. Comes equipped with a 10' lead wire and mini-plug.FeaturesCompletely waterproof and corrosion-proofFeatures stainless steel grills sturdy plastic frames polypropylene speaker cones and teflon-coated wiresIdeal for use as a VHF remoteAvailable in black or white color speakerSpecificationsPeak Power Handling: 20W/pairSpeaker Impedance: 4 ohmFrequency Range: 1K to 10K HzWeight: 1.05 lbs per SpeakerSPL: 83 dB /-3 dBOverall Dimensions: 2-1516" x 2-¾'" x 1-516" (74mm x 69mm x 33mm) Product : POLY-PLANAR MB41 (B) VHF EXTENSION SPEAKER Manufacturer : POLYPLANAR Manufacturer Part No : MB41B UPC : 731128004112