discreet in ceiling 7cm speakers

{"cid":"91226141","title":"LP-301 3\" ceiling speaker 3 inch in-ceiling speaker","imgUrl":"https:\/\/img.chinax.com\/nimg\/d4\/63\/67c159b34f923eb1e663f5f9abff-200x200-1.jpg","attrs":{"value":"58 mm","parameter":"Mounting depth"}}

{"cid":"91224235","title":"3-inch Economical Ceiling Speaker 6W Iron Material Sound Elegant Design OEM ODM for Office Hotel","imgUrl":"https:\/\/img.chinax.com\/nimg\/27\/69\/89acecbdbfc0fb8ba9c364e55008-200x200-1.jpg","attrs":{"Model Number":"CL-503","Minimum Order Quantity":"2","Delivery Time":"30","Place of Origin":"Guangdong, China","Certification":"CE","Supply Ability":"5000+","warranty":"1 year","Dimension":"101*60mm","Watt":"6w","the body material":"Metal","Frequency response":"120-20KhZ","Magnet Material":"Ferrite","Speaker Size":"3-inch"}}

{"cid":"91225402","title":"IW3max C110 5.1 Ultra-Thin 7cm Concealed In-Ceiling Home Cinema 180W","imgUrl":"https:\/\/img.chinax.com\/nimg\/9b\/6c\/510422bc037e5b2eeb4e2f680e52-200x200-1.jpg","attrs":{"Brand Name":"Snail Power","Model Number":"IW3max-C110","Minimum Order Quantity":"2","Delivery Time":"5-8 working days","Packaging Details":"Snail Power Package","Input Terminals":"Press-type terminal block","Frequency Response":"50Hz\u201320kHz (-10dB)","Avg. Max Output @1m":"110dB","Cutout Dia":"85mm, Mounting Depth > 70mm","System":"5.1 Ultra-Thin Home Cinema","Supply Ability":"5000","Input Impedance":"8\u03a9","Dimensions":"\u00d8100\u00d7 67mm (Diameter \u00d7 Depth)","Drive Units":"1 \u00d7 2.5\" Driver","Driver":"2.5-inch Coaxial Speaker","Net weight":"0.5kg (per unit)","Power Output":"180W Per Channel","Max SPL":"110dB","Payment Terms":"T\/T","Thickness":"7cm Concealed In-Ceiling","Power Input":"20-180W","Place of Origin":"China","Technology":"Patented Guided-Wave Technology","Sensitivity":"88dB\/W\/m","Subwoofer":"C110 500W"}}