Check the listing for details. Speaker Set for Opel Insignia B Front Including Sound Insulation Plug & Play. Condition: New. Listed at 500.85 USD. With the OPTION OP-165 Plug & Play front speaker system for the Opel Insignia B, you can bring significantly more dynamics, cleaner highs and a crisper bass to your vehicle - without complicated modifications. Thanks to the vehicle-specific design, the system fits exactly into the original installation locations and is connected via the existing plug connections. Woofer & insulation: Loosen and unplug the standard woofer. Clean the outer sheet metal and insulate it with aluminum butyl. OPTION Connect the woofer, secure it with the original screw and further insulate the area around the speaker. The foam ring is attached to the door panel so that the sound is optimally directed into the passenger compartment. Please use the eBay checkout process. All necessary information and payment o.