📝 Introduction

A noisy microphone is one of the most common problems DJs face during live events, weddings, and stage shows.
Even with a good amplifier and speakers, noise, humming, hissing, or feedback can completely ruin your sound.

In this guide, Punishka Trading explains why microphones sound noisy on DJ setups and how you can fix the problem permanently.

🔥 Common Types of Microphone Noise

Before fixing the issue, identify the noise type:

• Humming sound (ground issue)

• Hissing sound (gain/noise problem)

• Howling / feedback (mic & speaker position)

• Crackling sound (wire or connector issue)

⚠️ 1️⃣ Low-Quality or Damaged Microphone

Cheap or old microphones often create noise because of:

• Weak internal capsule

• Loose internal wiring

• Poor shielding

✅ Solution:

• Use DJ/event-grade dynamic microphones

• Avoid ultra-cheap mics for live sound

• Always test mic before event

⚡ 2️⃣ Poor or Damaged Microphone Cable

A damaged cable is the biggest reason for mic noise.

Symptoms:

• Crackling sound

• Noise when cable moves

• Intermittent signal

✅ Solution:

• Use balanced XLR cables

• Avoid thin or joint cables

• Replace cables regularly

🔊 3️⃣ Gain Set Too High on Mixer

Many DJs increase mic gain too much to get louder sound.

Result:

• Hissing noise

• Distortion

• Feedback

✅ Solution:

• Set gain properly

• Increase volume using fader, not gain

• Keep mic gain just below clipping level

🔄 4️⃣ Wrong Microphone Position & Speaker Placement

When mic faces the speaker directly, feedback occurs.

✅ Solution:

• Keep microphone behind speakers

• Never point mic toward speaker

• Maintain safe distance between mic & speaker

🔌 5️⃣ Grounding & Power Supply Issues

Improper earthing causes continuous humming noise.

Causes:

• No grounding

• Poor power sockets

• Mixed power sources

✅ Solution:

• Use proper earthing

• Avoid sharing power with heavy appliances

• Use a power conditioner if possible

📡 6️⃣ Wireless Microphone Interference

Wireless microphones may pick up interference from:

• Wi-Fi routers

• Other wireless mics

• Mobile signals

✅ Solution:

• Change frequency channel

• Keep receiver away from routers

• Use quality long-range wireless microphones

🎚️ 7️⃣ Mixer EQ & Effects Misuse

Excessive EQ or reverb increases noise.

✅ Solution:

• Keep EQ flat initially

• Avoid too much treble

• Use effects moderately

🛠️ Quick Checklist to Avoid Mic Noise

✔ Use quality dynamic microphone
✔ Use balanced XLR cable
✔ Set proper gain levels
✔ Correct speaker & mic placement
✔ Ensure proper grounding
✔ Choose reliable wireless mic
✔ Avoid excessive EQ

💼 Why Punishka Trading Recommends Tested Microphones

Punishka Trading provides:

✔ DJ & event-grade microphones
✔ Noise-free tested cables
✔ Wired & wireless options
✔ Honest setup guidance

All products are sound-tested before sale.

📞 Facing Mic Noise Issues?

Call Punishka Trading for expert help:

📲 93158 20632
📲 84470 75889