This Behind Head Headset (PMLN6760A) with boom mic noise canceling is compatible with XPR 3000 and 3000e series and DP3000e series. With dual-ear speakers, this headset delivers superior receive and transmit audio. The Push-To-Talk, located on the ear muff, makes it easily accessible even when wearing gloves. With a noise reduction rating (NRR) of 24 dB, workers' hearing is protected at all times.