THIS IS AN UPGRADE ONLY – Please select subwoofer model in the kit you are ordering.
The Premium high energy subwoofer is CHROME with a 50% bigger magnet and develops deeper/tighter bass than our regular subwoofer.  For only a $49.95 up charge, the upgrade is well worth the investment for those of you doing high end restorations, or seeking the ultimate in premium sound quality.  As with all of our speakers, they are designed specifically to operate in a pinball machine and provide the best sound available!  This upgrade is for those of you that only want the best available!


This upgrade is not available on the SP-8, or the 12″ and 6×9″ models.  This is an UPGRADE ONLY and cannot be purchased individually , Kits with the upgrade option will be listed while placing in cart.