heavy duty headsets provide comfortable clear and reliable two-way radio communications in harsh, high noise environments.
Heavy Duty headsets are available in over the head or behind the head style with adjustable boom microphones. Connector are available for most popular Public Safety and business use two-way radios.

Motorola Original ENMN4016A: Medium Weight Behind the Head Headset. swivel boom microphone. Has in-line PTT(push to talk) switch on cable. 
Does not require adapter cable. Can only used with below listed radios.

Fits:HT75GP328,GP338,GP329,GP339,PRO5150,PRO7150,HT750,HT1250,HT1550,GP320,GP340,GP360,GP380,XTS750,MTX900,MTX960,PR860,PTX700,PTX760,PTX781 etc...

Our main products are battery packs, Battery Eliminators, battery charger, earphones, Speaks Microphones, Housing, Carry Cases, Antenna, Programming Test Cable.They are suitable to famous Two-Way Radios, such as MOTOROLA, KENWOOD, Yaesu/VETEX, ICOM, TAIT, KYODO, MAXON, UNIDEN, and so on. 

other Headset/Earpiece: 
PMLN4442,PMLN4443,PMLN4519,KHS-8,KHS-1,KHS-10,KHS-15,KEP-2,PMLN4557,PMLN4418,PMLN4605,MH-37A4B,HM-128L,PMLN4556,FTN6705,HMN9021,HMN9036,ENMN4016A etc...