a73f0f2d_tlighting_and_Hypersonic_Sound__S__by_American_Technology_Corp
[Feature or Benefit] Sound Quality - lows (under 300 Hz) [Audio Spotlight by Holosonics] virtually non-existent, has been successfully installed coupled with subwoofer to produce low frequency sounds
virtually non-existent
BIOMED ALL INVITED: Audio Spotlighting and Hypersonic Sound
Hypersonic Sound (HSS) by American Technology Corp