car subwoofer with enclosure 1)With a 10'' speaker 2)With embedded amplifier 3)Provide OEM service 4)With enclosure Parameter for your referance: BrandWeiDaModel No.WD-10018P Usage Suitable for car, truck, motorcycle or home Voltage(v)DC12 Impedance(ohm)4Speaker’s Size(Inch)4Sensitivity(db)≥95Frequency Response20hz-10khzDistortion Degree(db)≤0.1Rated Power(w)120wMaximum Power(W)150WDetailed ...