ENFIG SUB2RCA Audi Factory Subwoofer to RCA adapter

This harness connects to your factory subwoofer connection and provides a pair if speaker level RCA for an aftermarket amplifier.
If your amplifier does not take speaker level inputs a High to low converter will be needed.

All harnesses are 6 feet long

Compatible Cars

Audi

A5 2017-2025
Cabriolet – with B&O Dual Subwoofer each side of trunk 2 Pin each Type 1 (Pinout 1004+1200) This is 2 seperate harnesses one for each sub
Cabriolet – non B&O does not have a sub.  You can use the AAI4-VW16 with Subwoofer T harness.
https://shop.enfigcarstereo.com/product/enfig-aai4-vw16/

Coupe – with B&O Subwoofer Subwoofer in Rear Deck Type 1 Pinout 1234
Coupe – non B&O Subwoofer Subwoofer in Rear Deck Type 4 Pinout 1004

Sportback – with B&O Subwoofer between spare tire and rear bumper – Type 1 Pinout 1234
Sportback – non B&O Subwoofer between spare tire and rear bumper – Type 4 Pinout 1004 – Our plug and play speaker amplifier is also compatible

A6 /Allroad 2019-2024

Email us your Vin number for the part number.
The combination of 2 Different body types (sedan/wagon), 3 audio systems and gas, diesel, Hybrid and Mild hybrid has left us with 8 Different subwoofer possibilities.
Subwoofer Locations Against back wall systems – On right side of trunk – On trunk floor – In spare tire
Subwoofer Part numbers 4K2035913 4K0035913 4K8035913 4K2035914 4K0035914 4K8035914 4K0035915 4K8035915

Q8 2019-2025
B&O  – Style 2 Pinout 1234
non B&O Amplified Style 3  Pinout 1200 (Subwoofer Part number 4M8 035 621 B)
non B&O non Amplified  Style 1 Pinout  (1004) (subwoofer part number 4M8 035 621)
The easiest way to know if your car is amplified or not is to look at the part number on the subwoofer.