Radians NRR 29 Pro-AmpBTH 601CS Electronic Earmuff with 2 Independent Microphones

The Radians Pro-amp is an electronic sound amplification earmuff with 2 independent high frequency directional microphones. Automatically compresses harmful impulse to a safer range below 85dB without clipping or cutting. The same great features as out Pro-Amp but with a convenient behind the head wire.