NRR 25dB 100 pair per box Corded NRR 25dB 100 pair per box Corded
NRR 28dB Class A(L) DS-NP267HPF310 - Uncorded 200 pair per box DS-NP267HPF310C - Corded 100 pair per box NRR 28dB Class A(L) DS-NP267HPF310 -...
NRR 33 dB Class A(L) 200 pair per box DS-NP267HPF410 - Uncorded, 200 pair DS-NP267HPF410C - Corded, 100 pair NRR 33 dB Class A(L) 200 pair per...
NRR 32 dB Class A(L) 200 pair per box DS-NP267HPF210 - Uncorded DS-NP267HPF210C - Corded NRR 32 dB Class A(L) 200 pair per...