The 3M Peltor X2A is a passive over-the-head earmuff with NRR 24 dB. Weighing approximately 0.41 lbs, it steps up from the X1A with two additional decibels of attenuation while remaining lightweight. Suited for construction, woodworking, yard equipment, and other moderate-to-loud noise environments. No electronic components, batteries, or audio features. The adjustable headband and padded ear cushions support extended wear.
Is NRR 24 dB enough for power tools like table saws and nail guns?
Table saws typically run 90–100 dB and nail guns can spike to 100–110 dB. With NRR 24 dB, the estimated exposure using the standard halving method is approximately 77–89 dB for sustained noise. For brief nail gun use this is generally acceptable; for extended chainsaw or table saw work, the X4A (NRR 27) or X5A (NRR 31) offers more protection.
What is the difference between the X2A and the X1A?
The X2A offers NRR 24 dB versus the X1A's NRR 22 dB and weighs slightly more at 0.41 lbs vs 0.37 lbs. The X2A is the better choice for moderately loud power tools; the X1A suits lighter noise environments where minimal weight matters most.
Will the X2A fit under a hard hat?
Yes. Like others in the Peltor X series, the X2A is compatible with standard hard hats. It is widely used on construction sites alongside Class E helmets.
Does the X2A have any electronic or audio features?
No. The X2A is a fully passive earmuff — no Bluetooth, no radio, no microphone, no batteries required.
How does comfort compare to the X1A?
The X2A is slightly heavier due to additional cup insulation for higher NRR, but most users report both models as comfortable for long shifts. If you find the X2A clamp pressure too high, the X1A or a foam earplug alternative may be easier to wear all day.
# 3M™ PELTOR™ X2A Over-the-Head Earmuff **Model:** `X2A` **Brand:** 3M **Category:** Hearing Protection > The 3M Peltor X2A is a passive over-the-head earmuff with NRR 24 dB. Weighing approximately 0.41 lbs, it steps up from the X1A with two additional decibels of attenuation while remaining lightweight. Suited for construction, woodworking, yard equipment, and other moderate-to-loud noise environments. No electronic components, batteries, or audio features. The adjustable headband and padded ear cushions support extended wear. ## Specifications | Attribute | Value | |---|---| | Product Type | Passive Earmuff | | Style | Over-the-Head | | Nrr Db | 24 | | Bluetooth | No | | Am Fm Radio | No | | Weight (lbs) | 0.41 | | Barcode (UPC) | | Source: https://www.jaspecs.com/3m/hearing-protection/x2a-3m-peltor-x2a-over-the-head-earmuff/