All the features of the H20-10 PLUS Electronic Noise Cancelling via permanent panel mount module, adding 12-17dB additional noise reduction when activated. Other features include Gel Ear seals, super-soft pillow headpad, portable battery pack, M-7A noise canceling microphone, and it is stereo compatible.

• Modular Design:
• Battery Power Module - Six AA batteries for up to 60 hours of operation
• Five foot (extended) coil cord terminating with a 10 pin quick release connector
• Coiled cord assembly connects permanent panel mount module to panel intercom/radio
• Exclusive Custom Comfort System:
• Extremely lightweight
• Patented headpad suspension that touches your head like a soft pillow
• Special headband design cradles your head just enough to block the noise
• Contoured gel ear seals mold softly to your head
• No exposed overhead cord
• Dual volume controls let you adjust the level for each ear.
• Universal flex boom.
• NRR - 22dB passive noise reduction plus 12dB to 17dB when ENC is turned on.