Anonymous posted an answer for this Kicker CompVX CVX104 Subwoofer - 10" Dual 4 Ohms CompVX Series SoloKon Composite Cone Cast Alumin... Car Speaker:
"flip the speaker upside down n it should b a hole thats where the screw is a woffer is..."
Anonymous posted an answer for this Theater Research TR-9500 Car Subwoofer Box Car Speaker:
"u need 2 find out the ohms on the speakers 1st 2 c if the amp u want can hander ur..."