having trouble getting this to work i have A jvcrx-6030v reciever and am trying to hook up a clement subwoofer power amplifier module PAM 1.2L ive hooked it into my single jack sub out from reciever to adapter from one to two jacks into the sub ive also turned on sub on reciever but not getting any sound....yes the sub works and reciever ??? please help trouble shoot...dieing to get this hooked up. thaks Randy