Astatic 636L Noise Cancelling CB Radio Mic

The Astatic 636L Microphone is one of the most trusted and widely used noise-cancelling microphones in the CB and amateur radio world.

Built with a rugged tear-drop design and legendary dynamic element, the 636L delivers clear, punchy audio even in the noisiest environments.

🔊 Legendary Noise Cancelling Performance

✔ Designed for close-talk operation
✔ Reduces engine, road and wind noise
✔ Clear, strong audio transmission

Perfect for trucks, 4x4s and noisy environments.

🎤 Proven Dynamic Element

• Famous 636L dynamic noise-cancelling element
• Excellent voice clarity
• Ideal for CB, SSB and amateur radio use

💪 Heavy Duty Build Quality

• Rugged Cycolac housing
• Steel grill with polyurethane coating
• Soft vinyl lip guard for comfort
• Built to withstand daily use

🔌 Wide Compatibility

• Supplied with 4-pin plug (Cobra, Uniden, Galaxy etc.)
• Can be rewired for 3, 4, 5 or 6-pin radios

✔ Works with most CB and ham radios

📏 Long Coiled Cable

• Heavy-duty coil cord
• Extends up to 7.5 feet (approx. 2.3m)
• Flexible and durable

🎯 Designed for Real-World Use

• Ideal for mobile setups
• Great in noisy cabs and vehicles
• Trusted by professional drivers

Key Features

• Dynamic noise-cancelling microphone
• Close-talk design
• Heavy-duty construction
• 4-pin plug (rewire compatible)
• Long coiled cable
• Classic tear-drop style

Technical Specifications

• Frequency Response: 100 – 5000 Hz
• Output Level: -56 dB
• Impedance: 400 Ohms (matches 50–1000 Ohms)
• Cable Length: Up to 7.5 ft (coiled)

Why Choose the 636L?

✔ Proven, industry-standard microphone
✔ Excellent noise rejection
✔ Built to last
✔ Works with most radios

Ideal For

• CB radio users
• HGV and truck drivers
• Amateur radio operators
• Noisy vehicle environments

Straight Talking

If you want clear audio without background noise, this is one of the safest bets you can buy.