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User Manual Background Speakers Introduction Thank you for choosing the Adastra BH series speakers for your sound installation. These durable cabinets deliver reliable, high quality sound output for music and announcements. Please read the following guidance notes for correct installation.
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Installation 1. Unscrew the plastic wall plate from the speaker bracket and mark out, drill and fix to the wall as required. 2. Line up the steel speaker bracket against the plastic wall plate at the required tilt angle and secure using the 2 screws provided through 2 of the punched holes.