Hi, I have a 2016 550i with the Harman Kardon (TopHiFi) 688 system. It’s not doing it for me, and I want to build a proper system for the car. The car has too many speakers, and I want to simplify and run an active setup with front tweeters, front mids, underseat woofers, and a single subwoofer...

Product Brand & Model: JL Audio FiX-82 with FiX-LSA-4 Condition of all items: BNIB, never used, never hooked up. Includes original box, setup CD, and all manuals. Total Price: : MSRP on the FiX-82 is $359.99 and the FiX-LSA-4 is $39.99. For both pieces: $325.00 Paypal only...