Mini Sound Amplifier for Adults,Digital Noise Reduction Feedback Cancelling,Voice Enhancer and Audio Amplifier Deivce,A312 Battery Long Last for 70 Hours
D-C-C1B D-L-C1L BW51 Channels 2 8 4 Max Output-OSPL90 / Max Full-on Gain 111.1dBSPL / 30.4dB 111.1dBSPL / 30.4dB 120dBSPL / 37dB High Frequency Average HFA Max Output-OSPL90 / HFA Full-on Gain 107.0dBSPL / 27.9dB 107.0dBSPL / 27.9dB 113dBSPL / 27dB Frequency Range 200Hz ~ 5577Hz 200Hz ~ 5577Hz 300Hz-4500Hz Equivalent Input Noisy ≤19.4dB ≤19.4dB ≤30dB Total Harmonic Distort ≤2% ≤1% ≤2% Working Current / Working Time 1.20mA / 70 Hours 1.20mA / 70 Hours 10mA / 20 Hours Battery Type / Battery Size Disposable / A312 Disposable / A312 Rechargeable / Battery Can't Be Replacement Charging Hours 3 Hours Function 1-Normal Mode ; 2-Noisy Environment Mode 1-Normal; 2-Noisy; 3-Outdoor; 4-Tinnitus Masker 1-Normal Mode ; 2-Remote Microphone Mode
Product Features
- Two Mode : 1-Normal Mode ; 2-Noise Reduction Mode.
- Ultra Power Saving Technology, One A312 Battery Lasting 70 Hours.
- Intelligent Noise Reduction System , Detect and Recognize the Noise Wave, Change the Gain of the Channel Where the Noise is Located, Make Normal Speed More Clearly
- Ultra-Low Machine Itself Background Noise , and Ultralight Weight Body You Don't Even Feel Wearing It
- Buttom Volume Control : Press Button to Adjust Volume,It have 7 Levels Volume,Each Press Drop 3dB,Max Gain 39dB ,Min Gain 21dB,When it at Min Volume Next Press Will change to Max Volume
- Comfort Threshold Control ; Automatic Gain Control-Output for Hearing Protection, No Need to Suffer from Sudden Loud Noise Anymore
Tags:industrial
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