Sound System OEM trunk amplifier access harness kit

Taps into the trunk amp connector of a car with BMW Sound System.  Comes in several different versions at different prices to support your exact wiring needs and budget. This harness preserves your car's OEM wiring while also tapping in safely to all key signals you need from your audio harness via the Quadroboost trunk amplifier connector plug.   Please select the version of this harness required for your project. All versions include access to the factory remote amp turn on wiring, and an option to add footwell power subwoofer wiring as well. NOTE  For harnesses that include the power wire, the factory trunk amp connector circuit has a maximum capacity of 10A, which is enough to power a small powered subwoofer or line out converter.  Any other equipment like an amplifier must have separate power wiring that is NOT included with this harness.ALL SIGNALS: The is the ultimate OEM+ audio tool for cars with BMW Sound System.  Taps into the radio outputs, amp outputs to speakers, remote tu