If you’re looking for a stylish and capable set of speakers, the Edifier QR65 might be on your radar. With built-in RGB lighting and multiple input options, they bring both flair and functionality to your desktop setup. But like any piece of tech, they come with a few quirks—especially when used in analog mode.
A Versatile Speaker Setup
The Edifier QR65 offers a wide range of connectivity options:
Analog input via dual RCA connectors
USB audio support
Bluetooth connectivity for wireless use
This flexibility makes the QR65 a convenient choice for users who switch between different audio sources or want to integrate the speakers into various setups.
The Analog Noise Issue
One issue you may encounter is noticeable noise when using the speakers in analog mode—but only when the volume goes above 50%. This problem doesn’t occur with USB or Bluetooth connections. The distortion seems to creep in only during analog playback and can be a real annoyance, especially during quiet audio segments.
What’s Causing the Noise?
In setups where external audio adapters are involved, it turns out the culprit may not be what you expect. In one case, although the speakers were connected to a computer using a stereo jack to RCA cable, the USB cable remained plugged in—even though USB audio wasn’t being used.
Here’s the surprising fix: simply disconnect the USB cable if you’re not using it. Once the USB is unplugged, the unwanted noise disappears entirely.
Why Does This Happen?
This issue likely stems from a ground loop—a common problem in audio setups where multiple connections create an unwanted electrical path. Since the QR65 speakers are receiving both power and signal from the same source (your computer), keeping the USB connected while using analog input creates a loop that introduces noise.
Quick Fix Summary
If you’re experiencing noise with your Edifier QR65 speakers in analog mode:
Check if the USB cable is connected.
Unplug the USB cable if you’re not using the USB input.
Enjoy clean audio—even at higher volumes.
With this quick adjustment, you can continue to enjoy the versatility of the QR65 without compromising on sound quality.