•Input Noise: ≤ 32 dB. • Low input noise of ≤ 32 dB. •Maximum Sound Output: 129 ± 3 dB. •Sound Gain: ≥ 40 dB ± 5 dB. • High maximum sound output of 129 ± 3 dB. • Sound gain of ≥ 40 dB ± 5 dB.
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