TP-Link AC1900 Wifi Card Audio Interference

Jun 21, 2015
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Edit: I turned my power to 75% in driver settings, which completely eliminated the sound, but it reduces performance.

I recently noticed that there was a lot of noise coming from my Logitech Z506. I was ultimately dissapointed because I unplugged them from my computer and the noise continued. I then realized something. The noise stopped when I turned off my wifi, and got really bad when I was downloading at 120mb/s on Steam.

I know it's my wifi, but I don't know why it's causing my speakers to output so much annoying noise, regardless of the source input. The WiFi is interfering with at least one component inside my speakers.

It's a 2.4 GHz network, the 5GHz won't connect because it's not as strong, although it is capable, but it's not available because the SSID is the same and Windows prefers the 2.4 band. Regardless, the high bandwidth transfer is causing my speakers to spazz out, and I'd love some imput.

If I didn't make it clear, toggling my wifi adapter off resolves the issue instantly.
 
Hi there,

I have a crackle that comes through my speakers when I use my sound interface to output music. It is definitely the wifi antenna interference since the crackle stops when I turn the radio off on the antenna and use the output jack on the motherboard.

My setup is as follows:
Focusrite PRO 24 Firewire sound interface
Behringer Mixer
Microlabs speaker with speaker wire

All these are connected, from what I believe to be shielded cables, of course bar the speaker wire

The flow is PC > Interface > Mixer > Speakers

The MOBO's audio 3.5mm jack output works fine when playing music through that

My firewire soundcard requires a firewire input on my PC, my PC did not come with one of these so I bought a Texas Instruments PCI Firewire port with 400 and 800 inputs.

The culprits I've identified are, the unshielded bare speaker wire causing interference
or the PCI firewire card picking up interference as it's fairly close to antenna.

My speakers are about 1m away from the antenna

I have wrapped my speaker wire in tin foil but the problem still persists as badly as before

Any suggestions to negate the antenna's interference? And how is it getting through to the speaker playback do you think?

Thank you

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