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VLIKE Noise Sound Level Meter, Digital Decibel Meter with LCD, Audio Measurement 30 dB to 130 dB, DB Meter with A and C Frequency Weighting for Sound Level Testing: Amazon.com: Industrial &
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TN‑73‑HS‑9213 High Accuracy VU Meter Header Audio, DB Level Header Power Amplifier Level Meter, High Accuracy, with Pointer Dial: Amazon.com: Industrial & Scientific
