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A simple low cost stereo VU meter. Two LM3915 dot/bar display driver ICs are used to drive 2 rows of 10 LEDs (14 green 6 red) in a moving bar display. Each row of LEDs spans a power range of 030 dB in ten 3dB steps. This VU meter indicates peak music power when used with audio amplifiers. Ideal addon for any amplifier or amplifier kit.