The BD 100V Indoor/Outdoor Speaker Series are engineered and tuned to offer weatherproof construction, excellent sound quality and supreme flexibility. This Series speakers is featured with a high end two-way system; a 1” silk-dome tweeter and a polypropylene 6.5” bass/midrange driver. The low-frequency output is bolstered by the use of a rear-mounted bass radiator. These enclosures are ideal for outdoor events, swimming pools, garden areas and marine or boat use. Adjustable between 70V, 100V tappings or 8 Ohm operation via rotary switch. You can mount the speakers to the wall horizontally or vertically with the included mounting kit.