Originally Posted by geezrglidr
Thanks Red. Does that 8" have a pre-amp, like someone told me I should have? Also, does a sub "drain" the battery, or use more power than the bike or battery can give it?
Jim, the BTA8100 does have a built in amplifier and the current draw is minimal, the in-line fuse is 7.5 amps. Here is a link to the product page;
You can also download the owner's manual and read up on the Tube and the specs.