4ohms 2 0 speaker for pc

{"cid":"91219621","title":"High End 4Ohms Bluetooth Bookshelf Speakers 2.0 Speaker For Pc 60Hz-20KHz","imgUrl":"https:\/\/img.chinax.com\/nimg\/e7\/66\/37a5269aef2a89f3af65d221d702-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Accept OEM","Model Number":"S-77","Minimum Order Quantity":"1000pcs","Delivery Time":"25-30 days after deposit","Place of Origin":"China","Packaging Details":"Gift box","Payment Terms":"T\/T or L\/C at sight","Supply Ability":"10000pcs per month","Speaker Type":"Bookshelf","Material":"ABS+Wooden Case","Frequency Response":"60Hz-20KHz","Power Output":"20W","Product Name":"2.0 Bookshelf Speakers","Number of Speakers":"2.0","Power Supply":"AC 220V,50Hz","Speaker Unit":"3\""}}