Great question Jamie, the main difference is Gen-3 has RGB lighting on Stages-3 thru Stage-6 (Stage-1 and Stage-2 kits are non illuminated). Since these were just released and probably not in stores yet, you can get all the info here: rockfordfosgate.com/products/details/rzr14-stg6/
PRODUCT DETAILS
rockfordfosgate.com/products/details/rzr14-stg3/
What's the main difference between the gen 2 and the gen 3. Can't find the gen 3 anywhere!
Great question Jamie, the main difference is Gen-3 has RGB lighting on Stages-3 thru Stage-6 (Stage-1 and Stage-2 kits are non illuminated). Since these were just released and probably not in stores yet, you can get all the info here: rockfordfosgate.com/products/details/rzr14-stg6/