subwoofer with built in amp

{"title":"DC 12V 30A 360W Universal Regulated Switching Power Supply for 3D Printer , ham Radio Transceiver , Car Subwoofer amp","imgUrl":"https:\/\/img.chinax.com\/nimg\/4e\/b2\/69d2ac58ebec771a4c383c395a78-200x200-1.jpg","attrs":{"Brand Name":"PR","Model Number":"PR-A040","Minimum Order Quantity":"50Pcs","Certification":"CE,ROHS","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union,","Supply Ability":"10000Pcs\/month","Packaging Details":"Neutral Packing"}}

{"title":"GRANDnavi Universal Marine Stereo Single Din Waterproof Level IPX5 MP3 Multimedia","imgUrl":"https:\/\/img.chinax.com\/nimg\/66\/96\/1b47c47ed0d553d39ceec18d5a64-200x200-1.jpg","attrs":{"Price":"Negotiate","Brand Name":"GRANDnavi","Model Number":"MS-10RV","Minimum Order Quantity":"5","Delivery Time":"7-14days","Certification":"CE,ROHS,FCC","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"50000Pcs\/Month","Packaging Details":"Normal Packaging(without logo)\/ Customization Packaging","Waterproof Level":"IPX5","BT":"Support","Radio":"FM\uff0c AM","Function":"Colorful Light","Port":"USB\uff0c Aux In","Amplifiers":"4 *50Watt"}}