N89 teacher amplifier speaker microphone,audio amplifier, megaphone
USD $10 - $25 /Set
Min.Order:100 Sets
Yiwu Baishun Import And Export Co., Ltd.
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maxmal output | rms20 |
frequency response | 100hz~10,000hz+-db |
current consumption | 150mA |
import signal | wire MIC(-20db 600) |
voltage | DC7.4v,li-ion battery |
material | abs |
size | 83*1*38mm |
n/w | 200g |
max effective distance | 400sq.m |
battery up time | over 10 hours |
Components:Professional Charger Headset Design Microphone
Waistband Chinese and English Instruction
Warranty Card Packing Box
Packing Details:
1.1set/color box
2.20sets/carton
3.0.06CBM
ABS engineering plastics, it is not afraid of the impact, clear sound.
8 hours of continuous work, battery life can be up to 2-5 years
(Li-ion battery), it can cover 400 square meters with proffional headset microphone .