Impact PDM-2 Over-the-Head Dual Speaker Headset with Boom Microphone. Radio cables sold separately. This over-the-head double muff noise attenuation headset with a goose neck boom microphone is built tough for demanding high noise and mission-critical environments, yet cost-effective for a multitude of user types and budgets. A fantastic solution for construction applications, airport ground crews, factories and manufacturing facilities. Secondary ear cup PTT switch for convenience. Heavy-duty adjustable goose neck boom microphone with replaceable foam wind cover. Over-the-head adjustable design for increased comfort. Heavy duty Kevlar cabling for superior strength. Certified Noise Reduction Rating (NRR) of -24dB. 3-Year Manufacturer Warranty.