RMN4055 receive only headset is perfect for customers in load work environments, but do not need full Transmit and receive function for the headset.
Peltor RMN5135 - The tactical pro headsets from 3M Peltor are built for noisy work environments, and to ensure communication doesn't lessen when ambient noise is a factor. Designed with a frequency response that amplifies signals, voices and warning sirens, while at the same time suppressing potentially dangerous impulse noises. Compatible with XPR7000e series, APX6000 and APX8000 series two way radios.
PMLN6095 - Audio Adapter, In_Line PTT Adapter,
CON-HT1000 - Connector ORA TAC to Motorola HT1000 & XTS1500 Portable Radios
MT7H7A4610-NA - Peltor Lite-Com Plus Two Way Radio Headset -Folding Headband Model