• Model #2700
• Dielectric, three position earmuff.
• 27 NRR over-the-head, 26 NRR under-chin/behind-neck.
• Tested at an independent NVLAP accredited laboratory.
• Attractive black and silver design.
• Soft-Seal™ ear cushions provide exceptional comfort and fit
• Special foam head pad for all day comfort
• Sculpted headband with molded grips for easy cup adjustment
• Consistent full spectrum attenuation

Attenuation data

Over-the-Head
Frequency in Hz	125	250	500	1000	2000	3150	4000	6300	8000
Mean (dB) Attenuation	15.4	20.7	29.3	37.3	34.1	36.5	39.6	41.6	39.0
Standard Deviation	2.1	2.1	2.4	3.7	2.3	3.8	3.5	3.6	3.3
NRR=27dB
Behind-the-Head
Frequency in Hz	125	250	500	1000	2000	3150	4000	6300	8000
Mean (dB) Attenuation	19.6	24.0	34.3	40.2	38.1	35.1	34.0	33.9	34.4
Standard Deviation	2.5	2.8	3.4	3.2	3.4	3.4	3.1	2.8	3.2
NRR=26dB
Under-the-Chin
Frequency in Hz	125	250	500	1000	2000	3150	4000	6300	8000
Mean (dB) Attenuation	19.5	24.1	34.0	39.6	38.2	34.2	34.4	32.4	33.0
Standard Deviation	2.8	2.4	2.6	3.4	3.2	3.1	3.5	2.8	3.9
NRR=26dB