SHIDU Portable Microphones for Teachers SD-S358

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US $9.5-14 / Piece | 1000 Piece/Pieces (Min. Order)
Supply Ability:
10000 Piece/Pieces per Week
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Quick Details
Brand Name:
Model Number:
SD-S358 Portable Microphones
Mini Amplifier, Portable Microphones
Place of Origin:
Guangdong, China (Mainland)
Output Power:
DC 5V, 500mA
Frequency response:
Lithium battery:
Using time:
12-18 hours (microphone mode) / 6-10 hours (music mode)
Imported ABS
FM radio:
Packaging & Delivery
Packaging Details
Gift Box Size: 18.4*14.9*6.9cm;
Carton Size: 57.5*36*32cm
Qty/CTN: 30pcs/CTN;
N.W/G.W: 16 / 17.5 Kg for voice amplifiers
Wired version:
Gift Box Size: 18.4*14.9*6.9cm;
Carton Size: 57.5*36*32cm
Qty/CTN: 30pcs/CTN;
N.W/G.W: 16 / 17.5Kg for Portable Microphones
Delivery Time
Shipped in 25 days after payment

SHIDU Portable Microphones for Teachers SD-S358





This personal voice amplifier suitable for:


A: Sales people, teacher, clergy, tour guide, coach, public speaker, lecturer, exercise instructor or presenter.

B: Parkinson’s, MS, Guillain Barré syndrome, ALS and stroke may impair throat or chest muscles, damage  

     or partially paralyze vocal chords or diminish lung capacity. 

C: Artificial larynx users, esophageal and TEP speakers, and those who have lost their vocal chords and/or  

     larynx following throat cancer surgery. 

D: Everyday classroom, large auditorium, indoor & outdoor sports venues, and outdoor activities.



Main featuers:


1. SHIDU patented appearance;
2. Stylish, ergonomic and comfortable design;
3. High-quality double magnetic trumpet, more lound, clear and soft Sound;
4. Imported ABS material with high light technology,durable and wear-resistant;
5. One touch record function --- convenient & rapid in operation;
6. Imported MIC, advanced circuit IC, restrain howling phenomenon effectively;
7. Support AUX audio input --- can work as speaker of computer, mobile & pad;
8. Supports TF card & USB flash drive;
9. FM stereo radio --- can automatically search and save the FM channel;
10. Intelligent real voice prompt;
11. Echo function.



Other advantages:


1. Small size and lightweight fashion sound amplifier;

2. Patented appearance;

3. Portable voice amplifier with waistband: clip on belt or use belt tie on waist or hang on shoulder;

4. All-in-one: portable voice amplifier, speaker, TF card / USB flash disk player & FM;

5. Fashion design amplifier: optional multi-color;

6. Economical portable magaphone: can be used with both wired & wireless microphone.

8. Small MOQ with marketing SHIDU brand.



Ideal public address system for teachers, instructors, anchors, tour guides and trainers, etc. 





Technical parameters:


Output power:10WFrequency response:90Hz~18000Hz 
Charging Voltage:DC 5V; 500mALithium battery:1800mAh
Working time:

6~10 hours (musical mode), 

12~18 hours (MIC mode)

Charging time:3~5 hours

Available color:

sky; purple; blue

Product size:


Working temperature: -10℃~45℃

Unit weight:


Sound coverage:

400~500 square meters

 Wireless distance:




Standard package:

1 * main machine
1 * waistband
1 * wired microphone (or wireless microphone)
1 * USB cable

1 * 3.5mm audio cable

1 * user manual


Why us

A. Rich experience in global market.

B. Strong R&D team for OEM and ODM.

C. Standard production process and quality control.

D. Professional test equipment.

E. Will reply you within 24 hours once we received your inquiry & got your contact information.

F. Prompt reply and credible after-sale services.

Who we are

As the biggest manufacturer of portable voice amplifier in China, SHIDU is a high-tech enterprise concerned with R&D, production, sales and service.



Covering an area of 3000 square meters, we now have over 200 workers. With more than 50 professional experts with higher academic title and 5 world leading production lines with 5S management, we have the production capacity of 20,000 sets per month.


Strictly following the ISO9000 quality control system standard, every product in SHIDU has been carved carefully.


SHIDU owns many technical patents with designing, researching & developing and producing every product independently. Along the way, we always remember the initial determination.


Our honor

Highly Approval from Domestic & Foreign

In this HK Fair, SHIDU adopted strategy as “acoustic voice amplifiers first, selected high-quality Bluetooth speaker supplemented”, and main promoted SHIDU’s self-developed wireless amplification technologies, has got highly highly approval and trust from customers all over the world.




* SHIDU products all adopt ABS environmental protection material
* SHIDU products have complete testing certificate
* SHIDU goal is to let you share our advanced technology
Quality Goods, Value-based, Perfect, Dream


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