20hz bluetooth soundbar with subwoofer

{"cid":"91199486","title":"2.1ch Soundbar For Interactive Panel Smart Board","imgUrl":"https:\/\/img.chinax.com\/nimg\/d0\/ff\/b0a642594f343776bb9fceaf9865-200x200-1.jpg","attrs":{"Price":"USD45 - USD60","Brand Name":"iBoard or OEM","Model Number":"HD-11","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","Product Name":"Soundbar","Housing":"Black, plastic housing","Bluetooth":"5.0 version, 10m connect distance","USB":"2.0 version","AUX in":"3.5 mm","Optical in":"Support","HDMI in":"Support","Output power":"80 W ( built-in subwoofer 40W + left 20W + right 20W )","Frequency response":"35Hz~20KHz","Sensibility":"\u2265 72 dB","Aspect Radio":"16:10, 16:9...","Interface":"USB, VGA, RS232, HDMI","Screen Size":"65\",75\",86\", 98\"","Multi-Touch":"Up to 40 points","Hotkeys":"Two sides hotkeys","Shipping Way":"Sea Shipping Air Freight Truck Freight","Touch Points":"20 points","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":"91198862","title":"All Aluminum Body Handmade 20Hz 8W Hifi Tube Amplifier","imgUrl":"https:\/\/img.chinax.com\/nimg\/cd\/63\/30112f64d95bd9cb3b8d3acf47ac-200x200-1.jpg","attrs":{"Price":"$90.00","Brand Name":"ABLPOWER\/OEM","Model Number":"QA-10","Minimum Order Quantity":"2-49 Units","Delivery Time":"5-15 Working days","Certification":"ce","Place of Origin":"Guangdong, China","Payment Terms":"Western Union, T\/T","Supply Ability":"30 Units\/day","Packaging Details":"27X25X25 cm","Type":"Mini Amplifier","Channels":"2 (2.0)","Function":"MP3 Play \\EQ Mode\\AUX\\Amplifier \\Bluetooth","Application":"Indoor","Color":"Black","Frequency Response":"20Hz-30KHz","Voltage":"AC110V\/220V","Feature":"Perfect Sound","Single gross weight":"2.000 kg","Package Type":"strong carton packing"}}