This E-42 COILED CLEAR TUBE EARPIECE is a LOK Style Earpiece which is used with Two and Single Wire Surveillance Earpiece's. The EM-42 features Female Snap Lok, Acoustical Coiled Clear Tube, Can be worn on either ear and easily snaps into the main single or two wire kit.

The EM-42 is only the earpiece and requires the additional of the following wire kits- M-27AC/LOK  2 Pin w/Screws wire kit or M-27C/LOK 2 Pin w/Screws wire kit.

This EM-43 CLEAR TUBE EARPIECE is a LOK Style Earpiece which is used with Two and Single Wire Surveillance Earpiece's. The EM-43 features Female Snap Lok, Acoustical Coiled Clear Tube with metal clip, Can be worn on either ear and easily snaps into the main single or two wire kit.

The E-43 is only the earpiece and requires the additional of the following wire kits- M-27AC/LOK  2 Pin w/Screws wire kit or M-27C/LOK 2 Pin w/Screws wire kit.

This E-44 Acoustical TUBE EARPIECE is a LOK Style Earpiece which is used with Two and Single Wire Surveillance Earpiece's.

The EM-44 features Female Snap Lok, Acoustical Tube with Mini-armature Speaker for super loud an clear voice quality, Can be worn on either ear and easily snaps into the main single or two wire kit.

The E-44/LOK is only the earpiece and requires the additional of the following wire kits- M-27AC/LOK 2 Pin w/Screws wire kit or M-27C/LOK 2 Pin w/Screws wire kit.