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TECHNICAL CODE FOR PUBLIC ADDRESS SYSTEM ENGINEERING
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3.1 PA System General requirements
Technical Term in Public Address
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AHD400 400W Acoustic Hailing System Auxiliary Directional Speaker (8Ω)
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AHD400 400W Acoustic Hailing System Auxiliary Directional Speaker (8Ω)
Features:
● (1)Rated power: 400W
● (2)Max SPL: 138dB
● (3)All-weather outdoor design
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