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RION NL-21 Sound Level Meter Japan [Exc]

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PC218 Phase Polarity Test Checker Audio Speaker Microphone Sound Phase Detector

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Bruel & Kjaer 4160 (LS1) 1" Laboratory Standard Microphone - TESTED

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SPER Scientific Ltd. 840019 Sound Level Meter (35-130 dB)

$16.99

TASI TA650A Digital Sound Level Meter 30~130dBA Decibel Noise Measurement Tester

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Radio Shack Sound Level Meter 33-2050 Handheld Vintage

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Mono 32 Bit MIC Sound Control Level Indicator LED Music VU Meter Light Spectrum

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Etymotic ER83-01 companion mics Set 4 with charging station/carrying case

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Used Bruel Kjaer cc 2-Channel Microphone Conditioner BK1704 Free Ship

$44.24

Digital Sound Level Meter With Temperature Measurement Function Sponge

$80

Noise Level Meter with Range 30~130dB 31.5Hz~8.5KHz Accuracy ±1.5dB

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Bruel & Kjaer Type 3022 4-Channel Input Module Working!