SHIDU Factory Waistband Tour Guide System with 18W High Power SD-S512

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US $16-17 / Piece | 1000 Piece/Pieces (Min. Order)
Supply Ability:
10000 Piece/Pieces per Week
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Quick Details
Brand Name:
Model Number:
SD-S512 Tour Guide System
Mini Amplifier, Tour Guide System
Place of Origin:
Guangdong, China (Mainland)
Red, sky, blue
Output Power:
Frequency Response:
Imported ABS
Lithium battery:
7.4V, 1000mA
9V, 650mA
Working temperature:
Charging time:
3~5 hours
Packaging & Delivery
Packaging Details
Gift Box Size: 17.8*13.9*5.4mm;
Carton Size: 58*38.5*30cm
Qty/CTN: 40pcs/CTN;
N.W/G.W: 17.5 / 19Kg for Tour Guide System
Delivery Time
Shipped in 25 days after payment

SHIDU Factory Waistband Tour Guide System with 18W High Power SD-S512





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 features:


1. SHIDU patented appearance;
2. Stylish, ergonomic and comfortable design;
2. Nd-Fe-B magnetic trumpet, strong penetrating power sound;
3. Hi-Fi high sensitivity imported MIC, advanced circuit IC, restrain howling effectively;
4. Support AUX audio input --- can work as speaker of computer, Pad & mobile phone;
5. High decoding technology, support TF card & USB flash drive;
6. Intelligent digital function module, low power consumption, high efficiency;
7. Double voice coil design, strong power, deep bass;
8. Professional sound amplifying circuit, amplifying clear without howling.



Other advantages:



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

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

3. Fashion design amplifier: optional multi-color;

4. Economical portable magaphone: work with wired microphone;

5. High output power sound amplifier: up to 18 Watts;

6. Can provide SHIDU neutral English color box & user manual;

7. Small MOQ with marketing SHIDU brand.




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




Technical parameters:


Output power:18WFrequency response:90Hz~18000Hz 
Charging Voltage:DC 9V; 650mABattery:7.4V/1100mAh * 2PCS
Product size:


Charging time:3~5 hours

Sound coverage:

2000 square meters
Working temperature: -10℃~45℃Working time: 

6~10 hours (musical mode);

12~18 hours (MIC mode)

Unit weight:


Available color:

red; sky; black



Standard package:


1 * main machine
1 * waistband
1 * wired microphone
1 * DC 9V adpater
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
Real, Care and Communication