OVERVIEW: The SIGNAL PRO Wired PTT Headset includes a replaceable audio tube and earpiece for comfortable, all day use. The SIGNAL PRO’s 2-Wire design allows for the headset cords to be clipped over or under clothes or a uniform, while on the job.

Klein custom designed the SIGNAL PRO headset to reliably connect to Sonim’s SecureAudio Connector on the XP3plus and XP3 handsets. This allows the SIGNAL PRO headset connector to twist into place into the handset. The SIGNAL PRO headset has a large,...