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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
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Related Manuals for Telex HD-3A
Summary of Contents for Telex HD-3A
- Page 1 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.
- Page 2 Speaker Impedance 150Ω Weight 17oz. (not including cord) Cord Length 1.75 ft. retracted, 9 ft. extended Contact Information Telex Communications, Inc. 12000 Portland Avenue South Burnsville, Minnesota 55337 Telephone: 877·863·4169 Fax: (800) 323-0498 Form Number: 38109-211 Rev C Date: December, 2007...