N-Ear Replacement Open Eartips for 360 Flexo and Dynamic Earpieces (5-Pack) Pryme_01 and that piece of sound

and that piece of sound partially cancels out the incoming noise

Impact PTM-1 Heavy Duty Throat Mic for Two-Way Radio with Ring Finger PTT Switch

Impact I5-ADP-M7 Hirose Quick Disconnect Adapter (6-Pin)

Impact G2W-D1-HW Gold Series hardwired 2-wire surveillance kit with adjustable D-ring

N-Ear Replacement Open Eartips for 360 Flexo and Dynamic Earpieces (5-Pack) Pryme_01 and that piece of soundN Ear Replacement Open Eartips for 360 Flexo and Dynamic Earpieces (5 Pack) The N ear Open Ear Tip (TIP O 5) with delivers full situational awareness (full ambiance for standard levels). Designed for use with N ear 360 Flexo and N ear 360 Flexo DYNAMIC covert, tubeless listen only earpieces. The N ear Open Eartip utilizes a fan shaped design, keeping the ear dry and the fit comfortable. N ear Open Eartips have integrated wax protection for less