HD-3A
Dual-Sided Headset with 21dB NRR, Flexible Dynamic Boom Mic, & A4F Connector
The HD-3A is a dual-sided monaural hearing protector type headset with noise-canceling dynamic micro-
phone. EPA rated NRR of 21 dB. The polyurethane earcups house 150Ω dynamic elements and feature an
easily adjustable headband. The 6’ cord is coiled for tangle-free use.
Wiring Diagram
