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Output power
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35W
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|
Bluetooth
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BT 5.3
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|
Wireless Transmission Distance
|
20m
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|
Charging Voltage
|
DC 5V 2A
|
|
Lithium battery
|
7.4V 3000mAh
|
|
Charging time
|
4 hours
|
|
Working time
|
6~9 hours
|
|
Frequency response
|
100Hz~15KHz
|
|
Working temperature
|
-10℃~45℃
|
|
Product size
|
171*99*219mm
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|
Unit weight
|
1422g
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Gross weight
|
2000g(with package)
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Equipped with two wireless microphones, it allows flexible movement and is ideal for teaching, training, presentations and outdoor activities.
Compact design with a convenient carrying handle makes transportation effortless for both indoor and outdoor use.



A: The S4Plus portable voice amplifier is suitable for teachers, tour guides, trainers, fitness instructors, lecturers and event organizers.
A: Yes. With powerful 35W output and wireless microphones, it is suitable for outdoor teaching, tours, fitness classes and small events.
A: The S4Plus comes with two wireless microphones.