pa system column speaker with woofer

{"cid":"91224235","title":"20W 100V Column Speaker 2*4'' Woofer 1'' Tweeter PA System High Quality Good Sound OEM ODM ","imgUrl":"https:\/\/img.chinax.com\/nimg\/04\/5e\/61622e8e4681c5444f7ad515f056-200x200-1.jpg","attrs":{"Model Number":"COL-102","Minimum Order Quantity":"100","Delivery Time":"30","Certification":"CE IP","Place of Origin":"Guangdong, China","Supply Ability":"3000+","warranty":"1 year","dimension":"378*151*125","power source":"Other","storage":"20W","output power":"20w","Shell Material":"aluminium","the body material":"Metal","Frequency response":"100-15KHZ","Magnet Material":"Ferrite","Voltage":"100V"}}