{"product_id":"biamp-920-01548-10000-cm4t-bl","title":"Biamp 920-01548-10000 CM4T-BL","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Biamp CM4T is a compact 4-inch dual-cone in-ceiling loudspeaker for paging and background music where a small, unobtrusive speaker is needed. This black model suits corridors, restrooms, small retail areas, and fill locations in larger distributed audio systems. The CM4T operates as a 16-ohm loudspeaker or on a 70V\/100V line with a 6-watt transformer. Its small cutout and low profile make it easy to place in tight ceiling areas.\u003c\/p\u003e\u003ch2\u003eProduct Description\u003c\/h2\u003e\u003cp\u003eThe Biamp CM4T ceiling speaker uses a 4-inch coated-paper dual-cone driver to reproduce clear speech and background music from a compact enclosure. In 16-ohm use it can be combined with other CM-series speakers in low-impedance zones, and for 70V\/100V distributed audio it includes a 6-watt transformer with several power taps for level balancing. Its small 135 mm outside diameter and 74 mm depth make the CM4T well suited to corridors, restrooms, and infill positions where a larger ceiling speaker would be excessive. The CM4T is a practical companion to larger CM-series models in the same system, delivering consistent voicing for even coverage. This black unit (RAL9011) is the color sibling of the \u003ca href=\"https:\/\/creationnetworks.net\/products\/biamp-920-01548-20000-cm4t\"\u003eCM4T (white)\u003c\/a\u003e; for higher output in main listening areas, pair it with the \u003ca href=\"https:\/\/creationnetworks.net\/products\/biamp-920-01557-20000-cm6t\"\u003eCM6T\u003c\/a\u003e. Browse the \u003ca href=\"https:\/\/creationnetworks.net\/collections\/biamp\"\u003eBiamp collection\u003c\/a\u003e for amplifiers and companion ceiling loudspeakers.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-inch dual-cone driver\u003c\/strong\u003e — The coated-paper dual-cone driver delivers clear speech and background music from a compact ceiling footprint.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6-watt 70V\/100V transformer\u003c\/strong\u003e — Multiple power taps let integrators set levels for distributed paging and background music.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16-ohm operation\u003c\/strong\u003e — The 16-ohm mode lets the CM4T combine with other CM-series speakers in low-impedance zones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact footprint\u003c\/strong\u003e — A 135 mm outside diameter and 74 mm depth suit corridors, restrooms, and tight ceiling spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack finish\u003c\/strong\u003e — The black grille (RAL9011) blends into the ceiling for a discreet installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:320px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eModel \/ SKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eBiamp CM4T (Black) \/ 920-01548-10000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e4-inch dual-cone in-ceiling loudspeaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eDriver\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e4 in coated-paper dual cone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eFrequency response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e90 Hz – 19 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eSensitivity (1 W @ 1 m)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e88 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eMax SPL @ 1 m\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e103 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e16 Ω (low-Z RMS 15 W \/ dynamic 30 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003e70 V taps\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e6 \/ 3 \/ 1.5 \/ 0.75 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003e100 V taps\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e6 \/ 3 \/ 1.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eOutside diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e135 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eDepth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e74 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eVertical dispersion @ 1 kHz\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e180°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eBlack (RAL9011)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"color:#888;font-size:0.85em;\"\u003eSpecifications sourced from Biamp product documentation (biamp.com \/ downloads.biamp.com). Confirm detailed specifications against current Biamp documentation.\u003c\/p\u003e","brand":"Biamp","offers":[{"title":"Default Title","offer_id":47945516122348,"sku":"920-01548-10000","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/7982\/4364\/files\/unnamed_b79f8733-3c53-475b-8465-8f22d16122db.png?v=1784728399","url":"https:\/\/creationnetworks.net\/products\/biamp-920-01548-10000-cm4t-bl","provider":"Creation Networks","version":"1.0","type":"link"}