dual 4ohm spl 12 inch subwoofer

{"cid":"91219651","title":"Wholesale Price 12\/10 Inch High Power Car Audio Subwoofer 4ohm 12v Speakers","imgUrl":"https:\/\/img.chinax.com\/nimg\/da\/81\/69f518034b14f7bf33be13091f99-200x200-1.jpg","attrs":{"Brand Name":"original","Model Number":"ZD-12A\/ZD-10C","Minimum Order Quantity":"3","Coil Number":"Other","Year":"Universal","Model":"Universal","Car Fitment":"Universal","RMS Power":"200 W","Max. SPL":"91db","Frequency Range (Hz)":"30 - 600 Hz","Sensitivity":"91 - 100dB","Voltage":"Dc 12V","Warranty":"1 Years","Place of Origin":"Guangdong, China"}}

{"cid":"91220132","title":"12\"double ferrite magnet subwoofer 500 Watts RMS dual 2\/4 ohms 2.5\"voice coil 85.4dB SE12G1","imgUrl":"https:\/\/img.chinax.com\/nimg\/2c\/6e\/fae570528663b941c6850bc8ed99-200x200-1.jpg","attrs":[]}