Material - acrylic laser cut . Input voltage  12 v DC Size - (220mm x 140mm x 55mm) mm  Es gibt ein eingebautes Mikrofon und Empfindlichkeitseinstellung  . There is a built-in microphone and sensitivity adjustment. The adapter is purchased separately; contact the seller.

VU Meter 1 - YouTube

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VU METER LED  1 - YouTube

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VU METER LED 2 - YouTube

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