B-50Q Racing Communications Two Way Radio Noise Cancelling Heavy Duty Headset

B-50Q noise canceling 2-way race radios with noise reduction is used in applications from auto racing to industrial, Ideal for airport tarmacs, fans at car races, construction sites and other intense noise environment. and heavy equipment operation, providing tough reliable 2-way communication.
https://www.raytalkcomms.com/products/b-50q-racing-communications-two-way-radio-noise-cancelling-heavy-duty-headset/