• Certified Noise reduction rating - 24db
• M-90 Amplified Electret Noise Canceling Microphone
• Weight - 12.4 ounces

The S-40 offers the incredible sound of our M-90 highperformance electret microphone in a lightweight, quiet and inexpensiveheadset.

The ventilated, cushioned, adjustable headband allows extendeduse in total comfort for heads of all sizes. The pivoting earcupdesign assures a proper fit around the ears for maximum noiseisolation.

Sigtronics headsets may be ordered with a large or small /child size headband.

• Just 12.4 oz.
• 24 db Noise Reduction
• Fully articulating mic boom