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Latest Shidu SD- S278 15W 2500mAh FM Radio Wired Voice Amplifier for Teacher

China Latest Shidu SD-S278 15W 2500mAh FM Radio Wired Voice Amplifier for Teacher, Find details and Price about China Wired Voice Amplifier, Shidu SD-S278 OLED Screen from Latest Shidu SD-S278 15W 2500mAh FM Radio Wired Voice Amplifier for Teacher

Model NO.
SD-S278
Style
Headset Microphone
Application
Voice, Recording, Meeting, Measurement, Amplify
Signal Transmission
Wired
Directivity
Uni-direction
Sound Channel
Stereo
Transducer Principle
Electrodynamic Microphone
Sound Field Force
Pressure Type
Connector(s)
USB
Wireless Technology
UHF
Output Impedance
50-1000Ω
Product Name
Voice Amplifier Class 2019
Model
SD-S278
Output Power
5V 500mA, 15W
Lithium Battery
3.7V 2500mAh
Working Time
4-6 Hours
Charging Time
3-4 Hours
Unit Weight
285g
Frequency Response
200Hz-18kHz
Product Size
115*86*35mm
Trademark
SHIDU
Transport Package
30/CTN
Specification
56*29*31CM
Origin
China
HS Code
85185000

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