The Crown CM-311A is the industry standard headworn electret condenser microphone. The CM-311A utilizes Crown's unique Differoid technology, effectively isolating desired vocals from unwanted background noise.
- Differoid Noise Canceling Technology
- Differoid noise canceling rejects ambient signal at a distance, improving signal-to-noise ratio.
- Electronically controlled bass roll-off
- 48-volt Phantom Powered or 9-volt Battery
- Lightweight Headset Design
- Behind-the-ear design is completely lightweight, adjustable, and will conform to any size head.