2 1 multimedia speaker 20hz

{"cid":"91219621","title":"Unbeatable Sound 4\u03a9 2.1 Multimedia Speaker 20Hz-20KHz Frequency Response","imgUrl":"https:\/\/img.ismap.com\/nimg\/90\/30\/1e7509269b52b178810b8f87557f-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"OEM","Model Number":"Y-1079","Minimum Order Quantity":"1000","Delivery Time":"25-30 days after deposit","Place of Origin":"China","Packaging Details":"Gift box","Payment Terms":"T\/T or L\/C at sight","Supply Ability":"10000 pcs per month","Functions":"USB\/ FM\/ AUX\/ BLUETOOTH\/ REMOTE CONTROL","Power":"50W","Subwoofer Impedance":"4\u03a9","Subwoofer Size":"5.25 Inch","Subwoofer Power":"30W","Frequency Response":"20Hz-20KHz","Impedance":"4\u03a9","Product Name":"2.1 Multimedia Speaker"}}

{"cid":"91196467","title":"Headset Graphene Film Precision Audio Speakers 32 Ohm 30 Mm For Smart Home Appliances","imgUrl":"https:\/\/img.ismap.com\/nimg\/92\/11\/04cf49dc9f2e1dbf1cbd254f3bd0-200x200-1.jpg","attrs":{"Price":"USD 0.3 - 0.7\/pc","Brand Name":"YS","Model Number":"YDR30-4-32","Minimum Order Quantity":"5000 PCs","Delivery Time":"2-4 weeks","Certification":"RoHS","Place of Origin":"CHINA","Payment Terms":"L\/C, T\/T, D\/P, Western Union","Supply Ability":"500000 Pcs\/ Month","Packaging Details":"trays and carton","MATERIAL":"Plastic","Power":"10 mW","Impedance":"32 ohm","Output":"around 113 dB","SIZE":"30*6.0 mm","TYPE":"precision audio speaker"}}