Theater Solutions C500-16-4 CL3 Rated Speaker Wire 4 Conductor 16 Gauge 500 Feet Case UL Listed Theater Solutions C500-16-4 four conductor 16 gauge CL3 rated 500 foot case of speaker wire, UL listed for home in wall or in ceiling speakers and outdoor speakers Burial grade for use with outdoor speakers and sunlight resistant, 16 gauge, 65 strand with SRPVC flexible insulation, 4 conductor wire for 2 speakers 500 feet of wire, class 2 and 3 circuit compatible, ETL certified and ROHS compliant, OFC (oxygen free copper) Use for in wall or in ceiling home entertainment, home theater, multiple room, industrial sound, back yard, bookshelf, patios or decks, pool and garden areas, spa settings This listing and price is for 1 case of wire