Audi B6/B7 Pioneer Double Din System, Subwoofer + Amplifier - FIRM on Price IMPORTANT NOTE: Package Deal - Not Separating the bundle. Audi A4 B6 & B7 Pioneer After Market Stereo and subwoofer For Sale: The Best After-market ever made by Pioneer. Package includes: Pioneer Double Din + Amplifier + Subwoofer AVH-4000NEX https://www.pioneerelectronics.ca/POCEN/Car/NEX/AVH-4000NEX Includes mounting bracket for Audi A4 B6 & B7 Models + Attached Audi Double Din Harness TS-SWX2502 https://www.pioneerelectronics.com/PUSA/Car/Subwoofers/Shallow+Mount/TS-SWX2502 Bonus (Included) Kenwood - KAC-628 http://manual.kenwood.com/files/B64-1360-00 $0.00 - includes with Subwoofer and or Deck