Most stereo earmuffs provide some level of hearing protection but often sacrifice sound quality for attenuation. That's why Howard Leight created Sync, the latest innovation in passive hearing protection for active lifestyles. It's a stereo earmuff that's in Sync with proper levels of hearing protection, high-fidelity sound and your ability to listen to portable audio devices safely at work - and at home.
*NRR (Noise Reduction Rating) - 25. No batteries required - just plug in and go!. Volume Management Technology^ manages output volume from portable audio devices at 82 dBA. Includes 3.5mm input cable, plugs into most MP3 players, mobile phones, and other personal audio devices. Technologically advanced acoustical bass chamber enhances bass sounds that are typically sacrificed in a stereo earmuff.