Special Power Adapter Cable with Audio Amplifier Cable for Audi A3/A4/TT

This special harness solves the problem that Bose and/or single or dual amp Audi A3/A4/TT rear speakers have no sound or have static noise after installing aftermarket car stereos.

It will isolate input and output circuits to prevent ground loop noise, enhance bass sound.

Features

• 40Pin Quadlock Adapter Cable with Noise Filter Cable for AUDI A3/A4/TT Audio Anti-Noise:
• High to Low Impendance Converter:
• Adjustable Gain output level.
• 4-Channel Line Out Converter, 45 watts maximum input per channel.

Compatibility

• Aftermarket Car Stereos for Audi A3/A4/TT
• ONLY for car with Quadlock harness.
• NOT for car with ISO harness.

 

NOTE: Once installed you may need to adjust the amount of impedance required.

Plug it all together and play audio on your unit so that you can hear it.

If these are set too highto 1 of the 2 sides the impedeance converter won't work.

By using a small flathead screwdriver turn the 4 knobs in the cases below. Turn the level adjustment down slowly until you are happy with the level and quality of the sound.