Shidu 15W Powerful Sound Amplifiers to Teachers Tourist Guides SD-S511
Shenzhen Shidu Digital Co., Ltd.
Guangdong, China
Last Login Date:
Jun 03, 2025
Business Type:
Manufacturer/Factory, Trading Company
Main Products:
Mini Speaker, Bluetooth Speaker, Portable Speaker, Wireless Microphone, Voice Amplifier
Product Description
Company Info
Basic Info.
Product Description
Specificatios of voice amplifier
| Output power: | 15W | Frequency response: | 90Hz~18KHz |
| Charging Voltage: | 5V-500mah | Lithium battery: | 2000mah |
| Working temperature: | -10ºC~45ºC | Working time: | 12~15 hours (music mode)
|
| Charging time: | 3~5 hours | Size: | 98mm*88mm*45mm |
| MIC connecting: | wired MIC | Available color: | blue.black, rose red |
| Weight: | 420g | Sound coverage: | 500 square meters |
FAQ
Q: How to use it?
A: When you use wired mic. Turn on the rotary switch, when you see 'HI' then four line in the screen , plug in microphone and speak.
When you use wireless mic.Press 'M' key to the FM radio mde, there must be 'FM' and numbers in the screen, open the wireless mic and you can see numbers in the screen too,set the number as same as the machine, then speak.
Q: How can I see if it has not enough electricity?
A: When the battery icon in screen begins to flicker, it means there is not enough electicity.
Q: How to charge?
A: Using the data line with an USB plug, or line with computer, you can see the battery icon
flicker in screen.
Q: When dose it finish charging?
A: When the battery icon doesn't flicker. But first three times you'd better charge for two hours' more.
We have a operating manual in it, you can learn more by that.
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