Catalog > Speakers > P A Speakers > Horn Speaker HN18-1 HN18-1 HORN SPEAKER 18" GREY CONE+MNT BRKT+CONE+MNT SCR Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview Affordable durable horns for demanding sound reinforcement applications. The re-entrant style horn flare design provides an expansion path is longer than conventional straight horns; this ensures that the lowest possible frequency response can be achieved. The professional PA horns are formed from lightweight aluminium and painted with a durable polyester finish, so you know that they will survive years of exposure to sun and rain. Great for indoor or outdoor applications, sturdy mounting yoke for precise alignment included. Standard 1-3/8"-18 threaded throat. Features Weatherproof aluminium construction Steel hardware for long service life For indoor or outdoor applications Standard 1-3/8"-18 threaded throat Specifications Technical data HN-18-1 Horn diameter 45 cm Horn length 30 cm Horn material aluminium Colour grey Additional Information Diameter 18in