Pryme SPM-143 Speaker Microphone, Motorola EX500 EX600 D-Ring Since the Round ear-tip is

Since the Round ear-tip is more closed

Impact PRSMA-D1 2

The SPM-100 features a powerful built-in speaker that provides loud receive audio in all but the noisiest of environments

Easy to locate PTT Button

5mm listen only police earpiece is reversible

Pryme SPM-143 Speaker Microphone, Motorola EX500 EX600 D-Ring Since the Round ear-tip isThe Pryme SPM 100 Series Observer speaker microphone is a compact, lightweight remote palm mic designed for use in light duty applications. Each microphone features a high quality electret condenser microphone element, which produces excellent transmited audio clarity. The SPM 100 is meant to be worn on the user's lapel, duty belt, or shoulder epaulet. It secures to the user's clothing by way of a large metal reinforced clip which rotates 360 degrees.