Enhance hearing up a factor of 8X4 omnidirectional, high-frequency mics Independent frequency and volume controls Automatic suppression of sounds above 85 dB Protects from damage at muzzle blast Each Primos Boost Quad Muff headset features 4 omnidirectional, wind-resistant, high-frequency mics to enhance your hearing up to a factor of 8X. Independent frequency and volume controls allow you to adjust levels for each ear. Automatic suppression of sounds above 85 dB protects from damage at muzzle blast. ABS construction; butyl rubber ear pads; protective hard case. Requires 1.5V N battery (included).
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