Amazon.com takes a huge 40% off select Rockford Fosgate Car Audio via coupon code BFY4BANR for a very limited time. For example, the Prime 6x8" Full Range Coaxial Speakers fall from $69.99 to just $41.99, the best deal by at least $18. Note: be sure to add everything to your cart via Amazon's own listing (it may be at right). If you don't, the coupon code won't work and shipping won't be free. There is no sales tax (except KS, KY, ND, NY, WA).