{"id":5857,"date":"2026-06-26T01:30:15","date_gmt":"2026-06-25T23:30:15","guid":{"rendered":"https:\/\/commercialaudio.proel.com\/prodotti\/uncategorized\/pa-ct-552btbs-indoor-outdoor-wall-loudspeaker-en54-24\/"},"modified":"2026-06-26T02:00:17","modified_gmt":"2026-06-26T00:00:17","slug":"pa-ct-552btbs-indoor-outdoor-wall-loudspeaker-en54-24","status":"publish","type":"product","link":"https:\/\/commercialaudio.proel.com\/en\/prodotto\/pa-ct-552btbs-indoor-outdoor-wall-loudspeaker-en54-24\/","title":{"rendered":"Indoor\/outdoor wall loudspeaker &#8211; EN54-24"},"content":{"rendered":"<p><span style=\"font-size: 13px; line-height: 20.8px;\">Type: Indoor\/outdoor wall loudspeaker<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Drivers: 127 mm (5\u201d) wooferand 25.4 mm (1\u201d) tweeter vented box<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Power rating @ 100 V: 30 W \u2013 15 W \u2013 7.5 W \u2013 3.75 W \u2013 OFF \u2013 8 <\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Power rating @ 70 V: 15 W \u2013 7.5 W \u2013 3.75 W \u2013 1.875 W \u2013 OFF \u2013 8 <\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Impedance (Ohm): \u00a0333 \u2013 667 \u2013 1333 \u2013 2667 \u2013 OFF \u2013 8 <\/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:\u00a0Rotary selector<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Frequency response: 80 Hz \u2013 20 kHz<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Sensitivity: 89dB (@ 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\u00a0(sound pressure level):\u00a0104dB (@ 30 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;\">\u00a01 kHz \/ 4 kHz: 180\u00b0 \/ 80\u00b0<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Cabinet: MO 30BEN black\u00a0MO 30WEN white<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Material: Cabinet in ABS (complying to UL 94V0)<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Grille: made of 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 Stee:l multi-bracket<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Dimension H x W x D: \u00a0242 x 192 x 190 mm (9.53\u201d x 7.56\u201d x 7.48\u201d)<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Weight: 2.5 kg<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">Compliant standard: EN 54-24:2008<\/span><br style=\"font-size: 13px; line-height: 20.8px;\" \/><span style=\"font-size: 13px; line-height: 20.8px;\">EN 54-24:2008: 1488-CPD -0313\/W<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The CT-552 is a compact two-way loudspeaker system designed for constant-voltage and constant impedance applications. The cabinet includes a 100 V \/ 70 V transformer, as well as several taps for power. This dual drives unit provide a wide frequency response achieving a natural, smooth sound reproduction, ideal for use in PA systems and indoor background music applications. The A BS cabinet complies to UL 94V0 and can chosen between black ( PA CT-552BTBS) or white (CT-552WTBS) finish, allowing the best d\u00e9cor matching in any environment. On rear panel bottom there\u2019s a small box, which includes the ceramic terminals connections. On rear panel top left angle, there\u2019s a recessed rotary selector for power or impedance selection.<\/p>\n","protected":false},"featured_media":17775,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[74,76,78],"product_tag":[69],"class_list":["post-5857","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 v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Indoor\/outdoor wall loudspeaker - 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-ct-552btbs-indoor-outdoor-wall-loudspeaker-en54-24\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Indoor\/outdoor wall loudspeaker - EN54-24 - Proel Commercial Audio\" \/>\n<meta property=\"og:description\" content=\"The CT-552 is a compact two-way loudspeaker system designed for constant-voltage and constant impedance applications. 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