Report - < Makes the world sound > · 2015. 9. 21. · SPL/1W/1m 107 dB 109 dB 107 dB 107 dB 95 dB 103 dB Effective freq.range, Hz 350-7500 Hz 300-7000 Hz 350-7500 Hz 350-7500 Hz 500-7000

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