RadioWorks Product Detail David Clark MODEL H6230-M the Head (OTH) Features Specifications Documents Over-the Head, dual ear style PTT button conveniently located on headset ear dome Quality components and rugged construction U6210 inline body switch PTT can be added between headset and cord as an additional PTT button. Undercut, Comfort-Gel ear seals for maximum comfort Noise Attenuation DataNRR23 dB Frequency (Hz) 125 250 500 1000 2000 3150 4000 6300 8000Attenuation (dB) 16.6 20.7 27.4 33.0 30.5 36.2 38.1 36.6 36.6Standard Deviation 2.6 2.5 2.5 2.6 3.1 3.5 3.7 3.6 4.1 Brochures6200 SERIES BROCHURE Are you ready to get to work? Get in touch and find out how RadioWorks can help your business. (800) 591-5525