4r 20w speaker a527 board

{"cid":"91219651","title":"20W 2.1 Channel 3D Surround Class D Amplifier Board Digital Power Audio Module","imgUrl":"https:\/\/img.chinax.com\/nimg\/fe\/27\/417c4e169a4b9032548ef94f4fa4-200x200-1.jpg","attrs":{"Price":"$2.30 - $4.60\/pieces","Brand Name":"Creatall","Model Number":"CA-6968","Minimum Order Quantity":"10 pieces","Place of Origin":"Guangdong, China","Frequency":"Amplifier Audio Board","Application":"Amplifier Audio Board","Output Type":"Amplifier Audio Board","Voltage Range":"Amplifier Audio Board","Input Type":"Amplifier Audio Board","Operating Mode":"Amplifier Audio Board","Technology":"Amplifier Audio Board","Features":"Amplifier Audio Board","Mounting Type":"direct mounting","Description":"amplifier audio module","Shipment Terms":"DHL","MOQ":"Sample","Warranty":"3 Months","Condition":"100% Original","Package Type":"Electrostatic Bag","Lead time":"1-3 Days","Payment":"Accept Trade Assurance","Dadecode":"newest"}}

{"cid":"91199486","title":"86 Inch LCD Smart Board Perfect For School Office And Conference","imgUrl":"https:\/\/img.chinax.com\/nimg\/07\/7e\/52f0db8929297246df7a0c9dd29d-200x200-1.jpg","attrs":{"Price":"USD999-USD1500 per piece","Brand Name":"iBoard or OEM","Model Number":"TE-YL5W-86","Minimum Order Quantity":"10","Delivery Time":"30 days","Certification":"CCC, CE, FCC, RoHS, Reach, OHSAS, ISO9001, ISO14001","Place of Origin":"Shenzhen, CHINA","Payment Terms":"T\/T, L\/C","Supply Ability":"10000 units per month","Packaging Details":"Carton Package","Screen size":"86 inch, 65 \/ 75\/98 inch OPTIONAL","Touch points":"20 points","Color":"Black, Grey, Silver (Other colors optional )","Application":"Educational Teaching, Meeting, Training, Home","Operating system":"Android, windows","Brightness":"350-400 cd\/m2","Interface":"USB, VGA, RS232, HDMI","Material":"Aluminum Alloy Frame","Certificates":"CE, ROHS, FCC...","Speakers":"2x20W+1X20 W subwoofer","Aspect Radio":"16:10, 16:9...","Screen Size":"65\",75\",86\", 98\"","Multi-Touch":"Up to 40 points","Hotkeys":"Two sides hotkeys","Shipping Way":"Sea Shipping Air Freight Truck Freight","Warranty":"1 year","Power Supply":"AC 100-240V, 50\/60Hz","Operation System":"Andriod\/Windows\/Linux\/Mac.etc.","Accuracy":"2mm","Mobile Stand":"Optional","Colors":"Black Or OEM"}}

{"cid":"91179284","title":"Custom Grand Overdrive Special Head Guitar Amplifier 20W with 1*12 V30 Speaker Cabinet in Blue Tolex JJ Tubes","imgUrl":"https:\/\/img.chinax.com\/nimg\/20\/63\/2793faecd9c5393d33b5f5895232-200x200-1.jpg","attrs":{"Price":"1500-$1600\/pcs","Brand Name":"Grand","Model Number":"ODS18hc","Minimum Order Quantity":"1pcs","Delivery Time":"30 days","Certification":"CE, ROHS, FCC","Place of Origin":"China","Payment Terms":"Western Union, MoneyGram","Supply Ability":"20pcs\/month","Packaging Details":"Double strong box","Power":"20W","Tubes":"JJ, RUBY, EH","Style":"ODS18 Amplifier","Brand":"OEM, OBM, ODM"}}