{"product_id":"adastra-cbm20-ceiling-boundary-mic-952-347uk","title":"Adastra CBM20 Ceiling Boundary Mic","description":"Low profile ceiling or panel mounting boundary microphone with an omnidirectional pick-up pattern which is suitable for use where discreet audio surveillance is required. Applications range from audio pick-up in induction loop systems to audio monitoring and recording for CCTV systems.\u003ch4\u003eSpecifications\u003c\/h4\u003ePhantom powered (9-52Vdc)\u003cbr\u003eThreaded for up to 50mm through-hole mounting\u003cbr\u003eOmnidirectional pickup pattern\u003cbr\u003ePower supply:9-52Vdc phantom power\u003cbr\u003eCutout:20mmØ\u003cbr\u003eConnection:XLR male\u003cbr\u003eFrequency response:50Hz-17kHz\u003cbr\u003eMax. input SPL:140dB @ 1kHz (≤1% THD)\u003cbr\u003eSensitivity:-39dB ±3dB (0dB=1V\/Pa at 1kHz)\u003cbr\u003eImpedance:200 Ohms ±30% (at 1 kHz)\u003cbr\u003eDimensions:72 x 32mmØ\u003cbr\u003eWeight:76g","brand":"Adastra","offers":[{"title":"Default Title","offer_id":53418845864275,"sku":"952.347UK","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1041\/8667\/5539\/files\/952347UK_CO1.jpg?v=1775567282","url":"https:\/\/www.venutec.co.uk\/products\/adastra-cbm20-ceiling-boundary-mic-952-347uk","provider":"Venutec","version":"1.0","type":"link"}