{"product_id":"biamp-910-01589-cols81","title":"Biamp 910-01589 COLS81","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Biamp Desono COLS81 is a column loudspeaker whose acoustic response is tailored specifically for speech, built for high intelligibility in reverberant commercial spaces. It uses a vertical array of eight drivers to produce controlled vertical directivity that projects voice to the audience while reducing floor and ceiling reflections. Its extruded-aluminum, weatherproof cabinet suits both indoor and outdoor installation in houses of worship, transport hubs, and multi-purpose rooms. A switchable transformer supports 70 V and 100 V distributed systems with a low-impedance bypass.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe COLS81 is a mid-size speech column for paging and announcement systems that need clear voice reproduction in hard, reverberant rooms. Its eight-driver column keeps speech energy on listeners and off reflective surfaces, which is what makes column loudspeakers effective in churches, railway stations, and sports facilities. The COLS voicing is tuned for speech, distinguishing it from the speech-and-music COLW series. The cabinet is sturdy extruded aluminum and weatherproof for indoor or outdoor use, and a multi-tap switchable transformer allows 70 V or 100 V distributed operation with a low-impedance bypass. For different coverage areas, the range also includes the \u003ca href=\"https:\/\/creationnetworks.net\/products\/biamp-910-01587-cols101\"\u003eCOLS101\u003c\/a\u003e and \u003ca href=\"https:\/\/creationnetworks.net\/products\/biamp-910-01588-cols41\"\u003eCOLS41\u003c\/a\u003e. Browse compatible amplifiers and loudspeakers in the \u003ca href=\"https:\/\/creationnetworks.net\/collections\/biamp\"\u003eBiamp collection\u003c\/a\u003e at Creation Networks.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeech-tailored voicing\u003c\/strong\u003e — The COLS acoustic response is optimized for speech intelligibility in paging and announcement systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEight-driver column array\u003c\/strong\u003e — A vertical array of eight drivers provides controlled vertical directivity for voice coverage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControlled vertical directivity\u003c\/strong\u003e — The column format keeps voice on the audience and reduces reflections in reverberant rooms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeatherproof aluminum cabinet\u003c\/strong\u003e — The extruded-aluminum enclosure is rated for indoor and outdoor use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70 V \/ 100 V distributed operation\u003c\/strong\u003e — A switchable transformer supports constant-voltage systems, with a low-impedance bypass for direct amplifier operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\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;\"\u003eDesono COLS81 (910-01589)\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;\"\u003eColumn loudspeaker, speech-tailored\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eDrivers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eEight-driver vertical array\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eVoicing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eSpeech\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eDistributed operation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eSwitchable 70 V \/ 100 V transformer with low-impedance bypass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eExtruded aluminum, weatherproof (indoor\/outdoor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp style=\"color:#888;font-size:0.85em;\"\u003eSpecifications sourced from Biamp product documentation. Confirm detailed specifications, including driver size, power taps, SPL, and frequency response, against current Biamp documentation.\u003c\/p\u003e","brand":"Biamp","offers":[{"title":"Default Title","offer_id":47945522348268,"sku":"910-01589","price":276.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/7982\/4364\/files\/unnamed_cc018a45-ad35-495b-b1e4-e4db0d3e178d.png?v=1784728576","url":"https:\/\/creationnetworks.net\/products\/biamp-910-01589-cols81","provider":"Creation Networks","version":"1.0","type":"link"}