JBL Stage 6402 2-Way Coaxial Speaker System – suitable for BMW 5 Series E12 E28 in the front door or Rear Parcel Shelf: Amazon.co.uk: Electronics & Photo
JBL Stage 6402 4 Inch X 6 Inch 2-Way Coaxial Car Speakers : Electronics
JBL STAGE 6402 105 WATT 4" X 6" 2-Way Coaxial Car Speakers 637740957075 | eBay