SERIES 4C HEADSET
Earmark, Inc.: Speakers placed closer to and directly in line with ear canal. Improved sound quality has flatter frequency response in bass and midrange. Protective coating applied in a fully encapsulating, dip conformal process. Slim, low-profile antenna structure on earcups. Includes self-adjusting VOX130TM voice-activated transmitter system. (203) 777-2130.
