Specifications

Lightweight Headsets
Lightweight headsets provide high-clarity, hands free, discreet two-way
communication, while maintaining the comfort necessary for extended-
wear in moderate noise environments. Requires adapter BDN6676D.
NMN6245A* Single-Muff, Lightweight Headset with
In-Line PTT Switch.
NMN6246B* Ultra-Lightweight Headset with Boom
Microphone, In-Line PTT Switch.
Earbud style receiver.
NMN1020A* Lightweight Headset with Boom Microphone
Can be worn with helmet or safety glasses.
Includes adapter cable NKN6498A.
BDN6676D sold separately.
NKN6498A* Headset Adapter Cable. For NMN1020A.
BDN6676D 3.5mm Adapter with Quick Disconnect Latch
5080574E02 Foam Earpads. For NMN6245A. Pack of 10.
Receive-Only Headsets
Receive-Only Headsets are the right choice for high-noise environ-
ments where users must hear information clearly, but seldom need to
transmit. Dual-Muff headsets feature easily replaceable earseals filled
with a liquid and foam combination to provide excellent protection from
outside noise as well as comfort. These are for use with Remote and
Public Safety Speaker Microphones with a 3.5mm threaded jack. They
can also be plugged directly into the radio when used with BDN6676D.
RMN4056B Receive-Only, Dual-Muff, Headband Style
Headset. For use with 3.5mm threaded jack.
Plug directly into radio with BDN6676D.
Noise reduction = 24dB.
RMN4057B Receive-Only, Dual-Muff, Hardhat Headset.
Mounts easily to hardhats with slots.
For use RSMs and PSMs with 3.5mm threaded
jack. Plug directly into radio with BDN6676D.
Noise reduction = 22dB.
BDN6676D 3.5mm Adapter with Quick Disconnect Latch
Medium Weight Headsets
Medium weight headsets offer high-clarity sound, with the additional
hearing protection necessary to provide consistent, clear, two-way
radio communication in harsh, noisy environments.
NMN6258A* Medium Weight, Dual-Muff, Over-the-Head Style
Headset with In-line PTT. Noise reduction = 24dB.
NMN6259A* Medium Weight, Dual-Muff, Behind-the-Head
Style Headset. Can be worn with hardhat.
Noise reduction = 24dB.
RMN4051B Two-way, Hardhat Mount Headset with
Noise-Cancelling Boom Microphone
Noise reduction = 22dB.
BDN6673A In-Line PTT Adapter Cable for RMN4051B
*Intrinsically Safe.
10
BDN6676D
3.5mm
Audio Adapter with
Quick Disconnect Latch
NMN6246B
Ultra-Lightweight
Headset with Boom
Microphone, In-Line PTT
Switch
RMN4056B
Receive-Only,
Dual-Muff,
Headband Style
Headset
HT 1000
TM
, JT 1000
TM
, MTX 8000
TM
,
and MTX 9000
TM
audio
NMN6245A
Single-Muff, Lightweight
Headset with In-Line
PTT Switch