Check the listing for details. OPTION Heck Speaker Set For VW ID.3 Retrofit. Condition: New. Listed at 442.81 USD. This rear speaker retrofit set for the VW ID.3 is designed for vehicles without rear speakers ex works. With the OPTION V-165X coax system, the sound in the vehicle becomes audibly fuller, clearer and more dynamic, so that the difference compared to the previous state is quickly noticeable. The 3-ohm voice coil construction ensures high efficiency, while the 25 mm tweeter plays cleanly and warmly even at higher volumes. Everything important for immediately retrofitting the rear speakers is already included in the set. Please use the eBay checkout process. All necessary information and payment options are displayed in this process. You will also receive an order confirmation separately by email. There you will also find all the relevant information about your purchase. If you have any probl.