Switch to activate/deactivate ANC?

skates15 said:

Hello,

I recently replaced all the speakers in my 9 speaker Alpine system and after doing so, there is some low RPM drone that is new. So, I bypassed the ANC with a cable and all is good again; however on long highway trips, there is a bit more noise in the cabin...acceptable for daily driving, but for longer drives I'd like to get the cabin back to its previous quite state when cruising with NO radio/music, etc.

So, I was wondering if anyone knows if it is possible to install a switch on the dash to turn on/off the ANC? for when I don't have the radio going and just want a quite cabin?

Thanks for any help.

Click to expand...

canadiankodiak700 said:

That is not how the ANC works. The reason you disable it when you replaced your speakers is because the new speakers actually magnify the sound at the frequencies being produced by the head unit through the ANC to counteract cabin noise. It does this all the time whether you're using the radio or not. That's why you have to eliminate it. When you upgrade the speakers. By switching it back on, you're going to get that annoying cabin noise once again, that constant drone rather you using the radio or not. If it really bothers you that bad, turn your stereo on at a very very low volume and you won't hear your natural cabin noise. It's not that loud anyway and it's not that bothersome.

Click to expand...

skates15 said:

Thanks for this.explanation, makes sense. If I have this rignt, the new speakers will magnify the cabin noise regardless if music is playing or not.

Yes, playing the radio at lower volume is a good solution its what I've been doing even if I don't want it on, seems.like a sweet spot.

I've sound deadened the doors, perhaps doing the floorboards and back panel will help offset the low rpm drone while driving long trips on the highway?

Or a quieter muffler tunes for the low RPM drone?

Click to expand...