{"id":7323,"date":"2026-10-23T01:30:22","date_gmt":"2026-10-22T23:30:22","guid":{"rendered":"https:\/\/commercialaudio.proel.com\/prodotti\/uncategorized\/pa-cs-540bs-ceiling-speaker-en54-24\/"},"modified":"2026-10-10T02:00:26","modified_gmt":"2026-10-10T00:00:26","slug":"pa-cs-540bs-ceiling-speaker-en54-24","status":"publish","type":"product","link":"https:\/\/commercialaudio.proel.com\/en\/prodotto\/pa-cs-540bs-ceiling-speaker-en54-24\/","title":{"rendered":"Ceiling speaker EN54-24"},"content":{"rendered":"<p><span style=\"font-size: 13px; line-height: 20.8px;\">Type: Ceiling speaker<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Drivers: 127 mm (5\u201d) full range dual cone<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Power rating @ 100 V: 6 W \u2013 3 W \u2013 1.5 W<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Power rating @ 70 V:\u00a03 W \u2013 1.5 W \u2013 0.75 W<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Impedance: 1.7 kOhm\u00a0\u2013 3.3 kOhm &#8211; 6.7 kOhm<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Terminal block:\u00a0Ceramic<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Power selection device:\u00a0By fast-on connectors on transformer<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Frequency response: 180 Hz \u2013 20 kHz<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Sensitivity: 92 dB (@ 1 W \/ 1 m)<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Max SPL (sound pressure\u00a0level):\u00a099 dB (@ 6 W \/ 1 m)<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Dispersion<\/span><span style=\"font-size: 13px; line-height: 20.8px;\">\u00a01KHz \/ 4KHz: Conical 120\u00b0 \/ 100\u00b0<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Cabinet: White<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Material: Steel<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Environmental: type A<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Type of application: E<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Mounting: Flush mounting<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Dimension<\/span><span style=\"font-size: 13px; line-height: 20.8px;\">\u00a0<\/span><span style=\"font-size: 13px; line-height: 20.8px;\">\u00d8 x D: 185 X 129 mm (7.28\u201d X 5.08\u201d)<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Mounting Hole:\u00a0Cut-out diameter 165 mm (6.5\u201d)<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Peso: 1.5 kg<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Conformit\u00e0 agli standard: \u00a0EN 54-24:2008<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px;\">CPR:\u00a0<\/span><span style=\"font-size: 13px;\">1488-CPR -0300\/W<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>CS-540BS is an EN 54-24 complying ceiling sealed speaker, featuring a high ef ciency dual cone 127 mm (5\u201d) driver, with external cut-out of 165 mm (6.5\u201d). The connections are inside the cabinet, which includes also fast-on tabs to select the power. The cabinet colour is white, providing a cosmetically clean appearance. The steel  re-dome (back can) is fitted with clamps to reduce its installation time. Therefore the driver\/grille assembly can easily be installed in the cabinet without tools. The package contains 2 screws to fix the cabinet into false ceiling.<\/p>\n","protected":false},"featured_media":17798,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[74,76,78],"product_tag":[69],"class_list":["post-7323","product","type-product","status-publish","has-post-thumbnail","product_cat-commercial-audio-en","product_cat-loudspeakers-en","product_cat-speakers-en","product_tag-legacy-en","first","instock","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ceiling speaker EN54-24 - Proel Commercial Audio<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/commercialaudio.proel.com\/en\/prodotto\/pa-cs-540bs-ceiling-speaker-en54-24\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ceiling speaker EN54-24 - Proel Commercial Audio\" \/>\n<meta property=\"og:description\" content=\"CS-540BS is an EN 54-24 complying ceiling sealed speaker, featuring a high ef ciency dual cone 127 mm (5\u201d) driver, with external cut-out of 165 mm (6.5\u201d). 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