Tannoy VLS 15 (EN 54) Passive Column Array Loudspeaker For Installation Applications (EN 54 Certified, White)The VLS 15 (EN 54) WH is an 800 Watt passive column array loudspeaker ideally suited for challenging acoustic and architecturally sensitive spaces where background foreground music and speech reinforcement is required. Applications include airports, train stations, conference centers, houses of worship, stadium concourses, museums, theme parks and hotels. The heart of the loudspeaker system is its asymmetrical vertical dispersion, which gently shapes