Steelseries

Whether you’re streaming to a growing audience, coordinating with teammates in a ranked match, or recording gameplay commentary, one thing can ruin your audio faster than almost anything else: background noise. The hum of a fan, the clatter of a mechanical keyboard, the distant sound of traffic — these unwanted sounds bleed into your mic and distract listeners. The good news? You don’t need a $500 microphone or a professional sound booth to fix it. In this guide, we’ll walk you through practical, affordable ways to reduce microphone background noise using software, simple positioning tricks, and a few clever DIY hacks.

Why Background Noise Happens — and Why It Matters

Most gaming microphones — even budget-friendly models — are designed to pick up sound from a wide area. This is great for capturing your voice clearly, but it also means they capture everything else in the room. Common culprits include:

• Computer fans and cooling systems
• Air conditioning or heating units
• Mechanical keyboard switches and mouse clicks
• Outside street noise or room echoes
• Your own breathing or chair movement

If you’re using a condenser microphone (common for streaming and podcasting), it’s even more sensitive to ambient sound. But don’t worry — you can dramatically clean up your audio without spending a fortune.

1. Use a Software Noise Gate (Free and Instant)

A noise gate is a simple audio filter that mutes your microphone when you’re not speaking. It’s like a digital bouncer — only lets sound through when it’s loud enough (your voice) and shuts the door on everything else (background noise).

How to set up a noise gate in popular software:

• OBS Studio (free): Add a “Noise Gate” filter to your microphone source. Set the close threshold to around -40 dB and the open threshold to -30 dB, then adjust based on your room noise.
• Discord: Go to User Settings > Voice & Video > Advanced > Noise Suppression. Also enable “Echo Cancellation” and “Noise Reduction” for extra clarity.
• SteelSeries Sonar (free with compatible gear): Sonar includes a powerful noise gate and EQ presets. If you own a Arena 9 - US speaker system or any SteelSeries headset, Sonar is built into the GG software — perfect for fine-tuning your mic in real time.

A noise gate alone can eliminate 80% of background noise. It’s the single most effective free fix.

2. Optimize Your Mic Position and Distance

Where you place your microphone is just as important as the mic itself. The closer your mouth is to the mic, the louder your voice is relative to background noise. This is called the “signal-to-noise ratio.”

• Keep the mic 4–6 inches from your mouth — close enough to get a strong signal, but not so close that you hear plosives (pop sounds).
• Point the mic capsule toward your mouth — most condenser mics are side-address (pick up sound from the side, not the top).
• Avoid placing the mic directly in front of a fan or AC vent — even a gentle breeze can create low-frequency rumble.
• Use a boom arm or stand to position the mic away from your keyboard and mouse. A simple desk stand can transmit vibrations from typing — a boom arm isolates the mic.

3. Reduce Keyboards and Mouse Clicks (Without Muting Them)

If you’re a competitive gamer, you probably love the satisfying click of your mechanical keyboard. But your audience might not. Here are a few ways to keep your gear while taming the noise:

• Switch to quieter switches — linear switches (like Cherry MX Red or SteelSeries OmniPoint) are quieter than clicky blues. The Apex Pro Mini USB-C Braided Keyboard Cable is a great accessory if you want to move your keyboard further from the mic without sacrificing connectivity.
• Add O-rings or dampeners under your keycaps to reduce bottom-out noise.
• Use a mouse with quiet clicks — some wireless mice have near-silent switches. The Aerox 5 Wireless is a lightweight option known for its minimal sound profile during gaming.

Even if you don’t change your keyboard, simply moving it a few inches away from the mic and angling the mic away from it can make a huge difference.

4. Add Acoustic Treatment on a Budget

Professional studios use foam panels and bass traps to absorb sound reflections. You don’t need to cover your walls — just a few small changes can reduce echo and background noise:

• Hang a thick blanket or rug behind your monitor setup. It absorbs sound that would otherwise bounce into your microphone.
• Place a small foam shield or pop filter behind the mic (a “backdrop”) to block noise from behind.
• Use a microphone isolation shield — a portable foam box that wraps around your mic. These cost around $20–40 and dramatically reduce side and rear noise.
• Add soft furnishings like pillows, curtains, or a padded chair — hard surfaces reflect sound, soft surfaces absorb it.

5. Use a Dynamic Microphone Instead of a Condenser

If you’re shopping for a new mic and background noise is a persistent issue, consider switching from a condenser to a dynamic microphone. Dynamic mics are less sensitive to ambient noise and naturally reject sounds from the sides and rear. They’re the same type used by live performers and podcasters who record in untreated rooms.

Popular dynamic options include the Shure SM58, Rode PodMic, and Audio-Technica ATR2100x. These mics work well with USB interfaces or mixers, and they pair nicely with a Padded Travel Bag if you need to take your setup on the road.

6. Enable Noise Suppression in Windows and Mac

Both operating systems have built-in noise reduction features:

• Windows 10/11: Go to Settings > System > Sound > Input > “Enhance audio” or “Noise suppression” (available on some devices).
• Mac (Ventura or later): In System Settings > Sound > Input, check “Use ambient noise reduction.”

These are basic but can help in a pinch, especially for casual chats or game calls.

7. Adjust Your Streaming Software Settings

If you stream on Twitch or YouTube, your broadcasting software can do a lot of the heavy lifting. In OBS or Streamlabs Desktop:

• Add a Noise Suppression filter (RNNoise or Speex) — these are free AI-based plugins that remove background hum and fan noise remarkably well.
• Use a Compressor filter to even out volume levels — it boosts quiet speech and tames loud noises.
• Apply a Limiter to prevent sudden spikes (like a sneeze or chair squeak) from ruining your audio.

Combining a noise gate + noise suppression + compressor is the “holy trinity” of clean streaming audio.

8. Test and Iterate

After making changes, record a short sample and listen back. Pay attention to:

• Does your voice sound natural?
• Can you still hear the fan or keyboard?
• Is there any echo or hollow sound?

Adjust your noise gate thresholds, mic position, or acoustic treatment until you’re satisfied. Most improvements cost $0 — just a little patience.

Conclusion: Clean Audio Doesn’t Have to Be Expensive

You don’t need a $300 microphone or a soundproof room to sound professional on stream or in-game chat. By using a free software noise gate, positioning your mic correctly, reducing keyboard noise, and adding a few cheap acoustic tweaks, you can eliminate the vast majority of background noise. Start with the free steps — you’ll be amazed at the difference.

If you’re ready to upgrade your audio setup further, check out the Arena 9 - US — it’s a premium gaming speaker system with built-in Sonar audio software that gives you complete control over your mic and game audio, perfect for streamers who want to sound their best without breaking the bank.