... power handling 2.OEM is ok 3.good sound car speaker subwoofer: MaterialAluminumSpecification RMS400Wmagnet100 ozLogoOEM is okMOQIf OEM, the MOQ is ... for making car audio more than 10 years, such as speaker.amplifier,capacitor , cable ,woofer.We have 5 retailing shops totally ... products are sold well in south America, european market car speaker subwoofer PXW-12/car audio subwoofer