best subwoofer for a car

{"cid":"91195403","title":"Big Rubber Boot Spl Subwoofer , Car Music Woofer 89dB Yellow Frame Color","imgUrl":"https:\/\/img.chinax.com\/nimg\/8e\/bc\/cfe3a2dfb21905647bf8b874c0ca-200x200-1.jpg","attrs":{"Price":"Negotionation","Brand Name":"CR audio","Model Number":"CR-SBLW","Minimum Order Quantity":"Negotionation","Delivery Time":"45days after order receipt","Place of Origin":"China","Payment Terms":"MoneyGram, L\/C, T\/T, D\/A, D\/P, Western Union","Supply Ability":"5000pcs\/month","Packaging Details":"gift box carton","Frame":"Die casted aluminum","Magnet":"3-layer","Gasket color":"Yellow","RMS":"1000W","MAX":"2000W","Size":"10 inch SPL Car Subwoofers"}}