Active Noise Control technology reduces noise by up to 30 dB(A), registering to the human ear as a 96 percent noise elimination. The product uses an "anti-noise" signal, eliminating health risks such as hearing loss, stress-related disorders and heart attack.
Active Noise Control System
Active Noise Control technology reduces noise by up to 30 dB(A), registering to the human ear as a 96 percent noise elimination. The product uses an "anti-noise" signal, eliminating health risks such as hearing loss, stress-related disorders and heart attack. Silentium , 2 Bergman St.
Aug 5, 2010
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