1 sub full range active speaker

{"cid":"91220993","title":"Full Range 15 Inch Active Speaker 500W Audio Pro Speaker Sound System","imgUrl":"https:\/\/img.chinax.com\/nimg\/e2\/a6\/1eeae1fe537c76d6568caeea6c58-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"P-AMF","Model Number":"K18","Minimum Order Quantity":"30PCS","Delivery Time":"30-60days After Deposit","Certification":"CE,ISO","Place of Origin":"china","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"300PCS\/month","Packaging Details":"18\"","Name":"15 Inch Active Speaker","Brand customization":"OEM\/ODM","Color":"Black","Packing Details":"Cartons and Plastic Bags","Peak power":"500W"}}

{"cid":"91196467","title":"Professional 3 Inch Raw Frame Speakers Full Range 8 Ohm 15 Watt Hifi Line Array Use","imgUrl":"https:\/\/img.chinax.com\/nimg\/c6\/91\/070b772c615fef93aeabd828b965-200x200-1.jpg","attrs":{"Price":"USD 5- 15\/pc","Brand Name":"YS","Model Number":"YD78-1N","Minimum Order Quantity":"1000 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":"carton","MATERIAL":"Metal frame, black coated","Power":"15 watt rated","Impedance":"8 ohm","Output":"around 90 dB","SIZE":"83*83*45.5 mm","TYPE":"raw frame speaker"}}

{"cid":"91219621","title":"2.1 Channel Active Multimedia Desktop Computer Speaker 4\" Subwoofer 3\" Full Range*2 BT","imgUrl":"https:\/\/img.chinax.com\/nimg\/3e\/0e\/9a3d2c5c57bfc348712cc5b6eb38-200x200-1.jpg","attrs":{"Price":"$14.30\/sets 1000-2999 sets","Brand Name":"Coomaer\/OEM","Model Number":"H-911","Minimum Order Quantity":"1000 sets","Power Source":"AC, DC","Support APP":"NO","Battery":"NO","Number of Loudspeaker Enclosure":"3","Audio Crossover":"Three-Way","Woofer Size\/Full-Range Size":"4\"","Material":"Wood","Waterproof":"NO","Communication":"AUX, RCA, usb, Audio Line","PMPO":"30W","Support Memory Card":"Yes","Speaker Type":"Subwoofer","Output Power":"30W","Remote Control":"Yes","Cabinet Material":"Wood","Frequency Range":"20Hz-20KHz","Display Screen":"Yes","Built-in Microphone":"NO","Tweeter Size":"3.5\"","Private Mold":"Yes","Type":"Active","Use":"HOME THEATRE, Portable Audio Player, Mobile Phone, Karaoke Player, COMPUTER","Channels":"3 (2.1)","Special Feature":"PORTABLE","Place of Origin":"China","Product Name":"BT speaker; multimedia speaker;home theatre speaker,2.1 woofer speaker","Feature":"USB, SD, RCA IN, FM, Blue tooth, Remote","Power supply":"AC100-240V","Output power":"20W+5W * 2","Speaker Unit":"4\"Subwoofer + 3\"full range*2","Frequency Response":"20Hz-20KHz","Version":"AC\/AC+DC\/AC+BT\/AC+DC+BT","Transformer":"Digital transformer","Usage":"PC\/MP3\/Mobilephone\/Tablet\/Laptop\/Audio Devices"}}

{"cid":"91222503","title":"Pro Audio Bluetooth Amplifier 50W x2 Wireless Amp 2 Channel Class D Integrated Stereo Receiver for Passive Speakers","imgUrl":"https:\/\/img.chinax.com\/nimg\/da\/61\/e5dffb473f7ec530c86f7a3d5be7-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"OEM","Model Number":"BTA-250 White","Minimum Order Quantity":"300 pcs","Delivery Time":"45 days","Certification":"CE,ROHS, FCC,ETL","Place of Origin":"China","Payment Terms":"T\/T, L\/C, Western Union","Supply Ability":"80000 pcs per month","Packaging Details":"1 piece Bluetooth amplifier in a giftbox, 6 pcs in a carton","Item":"Bluetooth power amplifier","Power":"2x50W RMS","Channel":"2 channel stereo amplifier","Type":"Class D HIFI Amplifier","Usage":"Stereo Receiver for Passive Speakers","Inputs":"Bluetooth, Optical, HDMI, AUX, COAX","Frequency":"20-20K HZ","OEM":"Yes"}}