ad828 dynamic microphone preamplifier board

{"cid":"91219651","title":"XH-M273 PT2399 Digital Preamplifier Board 12-24V DC with Stereo Frequency for Karaoke Microphone Control","imgUrl":"https:\/\/img.chinax.com\/nimg\/0b\/04\/9caf696dfe778b883d56ed8434b3-200x200-1.jpg","attrs":{"Price":"CN\u00a516.74\/pieces 50-199 pieces","Minimum Order Quantity":"50 pieces","power source":"DC adapter","support app":"NO","battery":"NO","number of loudspeaker enclosure":"Other","output power":"other","remote control":"NO","frequency range":"25hz~17KHZ","built-in microphone":"NO","support microphone":"No","brand name":"Creatall","bluetooth standard":"Other","model number":"XH-M273","channels":"2 (2.0)","led lighting":"no light","Battery Capacity":"No battery","Waterproof Standard":"NO"}}

{"cid":"91195620","title":"Temperature Detection Android 7.1 Face Recognition Infrared Thermometer","imgUrl":"https:\/\/img.chinax.com\/nimg\/98\/64\/49527a36bb796038b2fc25b7f623-200x200-1.jpg","attrs":{"Price":"$399~$580","Brand Name":"ADW","Model Number":"AD-08R","Minimum Order Quantity":"1 Piece","Delivery Time":"in 7 days; 25-30 days for mass-production","Certification":"CE, ROHS, FCC, ISO9001","Place of Origin":"SHENZHEN, CHINA","Payment Terms":"T\/T","Supply Ability":"50K PCS per Month","Packaging Details":"Carton \/ Wooden case","Color":"Silver","Panel":"8 inches","Solution":"RK3288","Internet":"WIFI; LAN;","OS":"Android 5.1","SPEC":"2GB RAM\/8GB ROM; 16GB ROM;"}}