4 inch woofer 2 20w

{"cid":"91224235","title":"4 Inch Woofer*2 20W Indoor Column PA Speaker High Sensitivity Speaker","imgUrl":"https:\/\/img.chinax.com\/nimg\/22\/05\/61986e2bc3330a14020430d59044-200x200-1.jpg","attrs":{"Model Number":"COL-442","Minimum Order Quantity":"100","Place of Origin":"Guangdong, China","warranty":"3years","dimension":"360*160*115","power source":"Other","output power":"20w","Shell Material":"MDF","Radio function":"NO","Frequency response":"130-15KHz","Magnet Material":"Ferrite"}}

{"cid":"91218987","title":"High-fidelity MVSILICON IC Chip With DSP Sound Processing Featuring Two 4-inch Woofers 3000mAh Battery dual Wireless Microphones","imgUrl":"https:\/\/img.chinax.com\/nimg\/2b\/7c\/989a25d78fef3a8a4bdc51970632-200x200-1.jpg","attrs":{"Brand Name":"ETEK","Model Number":"ASB-23-2304","Minimum Order Quantity":"1000pcs","Delivery Time":"25-30 Working Days","Certification":"CE","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Packaging Details":"Color Box","TYPE":"Home Karaoke Speaker","\u00a0Material":"High-grade PU leather + wooden case + iron mesh+ RGB","Color":"black, blue, orange, pink,brown","Product size":"28.5x17x19 CM","Color Box size":"30x19x24.3 CM","Battery":"7.4V, 3000mAh"}}