Check the listing for details. Champion 40974 Electronic Ear Muffs - Black. Color: Black, Condition: New. Listed at 25.00 USD. Block out loud noises while amplifying ambient sounds with these Champion 40974 Electronic Ear Muffs. Designed for shooting sports enthusiasts, these earmuffs feature a Noise Reduction Rating (NRR) of 25 dB and electronic noise-blocking technology. The folding design makes these earmuffs easy to store and transport. Constructed with lightweight plastic material, these ear muffs weigh only two pounds and come in a sleek black color. The ambient sound enhancement feature allows for easy communication with others while wearing them, making them a must-have for shooting range activities. With the Champion name behind them, these earmuffs are the perfect addition to any shooting gear collection. If both purchased, and ship together, postage may increase.