How to Fix Buzzing or Humming Sounds in XLR Cables

If you’ve been dealing with that annoying hum or buzz in your audio setup, you’re not alone. XLR cables are trusted for their clean sound, but like anything else, they can sometimes have issues. Usually, a buzzing sound points to things like grounding problems, interference from other devices, or just plain old wear and tear. Here’s a quick guide to help get your XLR cables back on track.

What Causes Buzzing or Humming in XLR Cables?

1. Grounding Issues
   Without proper grounding, hums can sneak into your sound chain. Often, this is due to ground loops—basically when two pieces of equipment have different grounds and it causes a noise loop.
2. Interference from Other Devices
   Electronics close by, like lighting rigs or power supplies, can mess with the signal running through your XLR cables. That’s why you might hear that low, annoying hum. It’s actually common in setups where audio and power lines run next to each other.
3. Loose or Damaged Connections
   Over time, connectors get worn, dirty, or just plain loose. When this happens, your audio signal gets disrupted and can introduce a hum or buzz.

Quick Fixes for That Pesky Hum or Buzz

1. Double-Check Grounding
   Make sure all gear is plugged into the same grounded power source. If you think it’s a ground loop causing the hum, try unplugging and replugging devices or even use ground-lift adapters to break the loop.
2. Move Away from Interference
   Keep XLR cables away from high-power devices or power cords whenever possible. This simple change can do wonders for minimizing interference. If your setup is in a high-interference area, consider using shielded XLR cables, like the ones from Coluber Cable.
3. Clean Up Connectors
   Check that all connections are snug and look for any visible damage. Dust or dirt in connectors can mess with sound quality, so clean with a dry cloth or contact cleaner as needed.
4. Opt for Quality Shielded Cables
   XLR cables are designed to fight noise due to their balanced signal, but lower-end cables sometimes skip on shielding. Investing in quality cables from a trusted brand like Coluber Cable can help keep interference at bay.

Why Invest in Quality XLR Cables?

Cheap cables might work short-term, but over time, they often lead to signal issues. Choosing high-quality XLR cables with strong shielding and reinforced connectors goes a long way in keeping hum and buzz out of your setup.

With Coluber Cable, you get custom-built cables crafted to deliver the best sound quality. Explore our selection and find the perfect XLR solution for professional sound, built to last.