After Modifying the Subwoofer, Noise May Occur — Video Guide

Watch the TEYES Australia video for After Modifying the Subwoofer, Noise May Occur. Use the demonstration and the related resources below to check the process against your own head unit and installed equipment.

TEYES Australia · Original video published 2026-03-12 · 3 minutes, 3 seconds

Watch the original TEYES Australia video on YouTube ↗

CC4 PROAudio & microphonesUpdates & troubleshooting

About this demonstration

After modifying the subwoofer, noise may occur, which could be caused by the external AUX IN connection. Follow the video instructions to adjust the wiring to resolve the issue.

1) Find the AUX CVBS Video IN 2) Cut the Black cable going to it 3) Splice it into the Black cable for the SIM Card Holder

Match the demonstration to your unit

This guide is listed for CC4 PRO. Identify your model, current software and any connected accessory before following the video. Menu names and available functions can change between hardware versions and firmware releases.

Check the audio setup

Test the affected audio source and keep track of any changed setting. Microphone, amplifier and speaker connections can require separate checks. The unit supports one external microphone at a time; choose a microphone compatible with your head-unit model.