Pryme SPM-1330 1-Wire Surveillance Earpiece, Icom IP-100H F4001 F4011 F4021 Throat Mic Ear speaker is approximately 1

Ear speaker is approximately 1 inch in diameter

The AT-4 is a low profile

only Receive Audio (RX)

Dual noise isolation ear tips

The Trooper also has a powerful speaker that provides ample sound

Pryme SPM-1330 1-Wire Surveillance Earpiece, Icom IP-100H F4001 F4011 F4021 Throat Mic Ear speaker is approximately 1The Pryme MIRAGE 1 Wire Surveillance Earpiece features a clear coiled acoustic tube. The tube assembly has a twist connector making it easy to replace or clean. This headset microphone kit includes standard bud type earpiece and semi custom ear mold. Reinforced earphone clip provides cable retention and eliminates strain on earphone. High quality electret condenser mic element produces excellent transmit audio. Rugged, polycarbonate housing is