REF : 711SN3
Loud N Clear Features Hear a pin drop from across the roomTurns ordinary hearing into extraordinary hearingListen at the level you want without...
REF : 711SD
Emplacement : R7G4
Maximum sound output: 120 dB
Sound frequency: 85 dB
Sound gain: 22.8 dB
Total harmonic distortion: ≤10%
Frequency range: 200-5000 Hz
Equivalent input noise: ≤30dB
Working voltage: 3V
Working current: ≤10mA
Host weight: 51g
Host size: 60 x 20 x 105 mm
List:
1 x Host;
1 x Earplugs;
1 x Bottom Holder;
1 x Manual;
AAA Battery no include
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