WinBridge S388 Voice Amplifier with Wireless Headset Microphone

Published February 26th, 2022

Written by WinBridge Team

This article introduces WinBridge S388 the basic parameters, main functions, user manual, accessories, official website purchase, applicable people, sales discounts, after-sales policy, OEM customization, etc.

 WinBridge S388

To understand the details of WinBridge S388, please refer to the following summary and get the content you need.

1. WinBridge S388 basic parameters

S388 portable Voice amplifier is a lifesaver for your voice and throat! Speaker gives off a clear and crisp sound, with no noise, and no distortion! You could easily make a presentation to a group of 100-200 people and be heard clearly.

WinBridge S388 Features:

  • WinBridge S388 is a built-in high-performance lithium battery — with ultra-long standby time;
  • Excellent for anyone in meetings, teaching or seminars, or guiding a tour;
  • With TWS, can deliver good sound quality between two S388 without the hassle of messy and tangle-prone wiring, Zero Cables Required;
  • Sound clear, lightweight, easy to use, and you can adjust the belt and volume easily;
  • Rapid charging time: It only takes about 3 hours for charging.

WinBridge S388 Technical Parameters

Output Power: 20W Amplifying voice time: 15-18 hours
Battery capacity: 2500mAh Charging time: 2 hours
Charging Voltage: DC 9V, 2A Product size: 138mm*106mm*50mm
Music Playing time: 11-15 hours Unit weight: 348g

2. WinBridge S388 main functions

Long RUN-TIME & Rapid CHARGING TIME: Runs for around 11-18 hours & takes about 2 hours for charging. The sleep Mode can end up saving you a lot of energy in the long run.
With TWS mode function: It can deliver good sound quality between two S388 without the hassle of messy and tangle-prone wiring, Zero Cables Required.
High Power Speaker 20W: which covers about 8000 sq. ft. transmits your voice louder, clearer, and farther without noise or distortion.
Easy for charging: The Screen lets you know when the battery needs to be charged so you never have to experience an unexpected no-power situation.
USB and Bluetooth playing: It can play music and receive input at the same time so you can use it as a mini karaoke set. This is great fun for kids and everyone else for that matter. Bluetooth 5.0 is faster and can operate over greater distances than Bluetooth 4.2.

You can also watch the official WinBridge youtube video to learn more about WinBridge S388’s functions and product details.

3. WinBridge S388 user manual

The following content is the WinBridge S398 user manual. Of course, you can also download the manual in PDF format.


WinBridge S388 user manual PDF Download

This WinBridge S388 Multi-functional, Compact, Rechargeable Portable Voice Amplifier. PERFECT FOR: Teachers, Trainers, Patients with weak voices, Coaches, Instructors, Tour guides, Public Speakers, Factories, Hospitals, Senior homes, Outdoor activities, Yoga classes, Gym, and any place & occasion where your delicate voice needs to be heard clearly and loudly
The sleep Mode/Power Save of the S388 can end up saving you a lot of energy in the long run computer, more features.
Operation is straightforward, even if you could without needing the manual Everybody can very quickly up and running – just plug in the headset and turn it on.
Please read the instruction carefully before using them.

WinBridge S388 Package includes:

  • Voice Amplifier
  • Wireless Headset Microphone
  • Type-C Charging Cable
  • USB-PD Charging Plug
  • Audio Cable
  • Adjustable Waistband
  • User manual
  • WinBridge Booklet
  • Hanging Rope

 WinBridge S398 package includes

How to wear WinBridge S388 waistband

WinBridge S388 is a wireless mic and voice amplifier, please refer to the following for wearing:

wear WinBridge S3898 waistband

4. WinBridge S388 accessories

WinBridge S388 accessories include: wired microphone,waistband, USB cable,audio cable,charging plug, user manual,etc.

 WinBridge S398 package includes

The usage of the WinBridge S388 belt buckle can refer to the figure below, which is also a necessary accessory for S388.

5. WinBridge S388 official store

1. If you visit WinBridge for the first time and want to buy WinBridge S388, you can buy it directly from WinBridge’s official website And can enjoy a certain discount;
2. If you have already purchased WinBridge S388 and want to buy some accessories, such as a headset microphone, we recommend you to buy it through the WinBridge official store;
3. Or you are visiting for the first time and want to import in batches, but you are not sure about the quality of WinBridge S388. We recommend that you buy some samples through the official store to confirm the quality of the product;
4. If you want to buy in small quantities, such as 5 or 10, you can also buy through the WinBridge official store, and you can enjoy a certain discount.
The official store website for purchasing WinBridge S388 is as follows, you can directly visit this link:


 WinBridge S388 official purchase store

6. WinBridge S388 applicable people

WinBridge S398 is currently one of the most popular voice amplifier products. We have received thank-you letters from teachers, coaches, tour guides, distributors, etc. from all over the world, the main users of WinBridge S398 are as follows:

 WinBridge S388 applicable people

WinBridge S388 applicable people:

  • For Teacher
  • For Yoga Coach
  • For Elderly
  • For Tour Guide
  • For disabled
  • for outdoor auction
  • For business train
  • For Meeting

7. WinBridge S388 Trading Information

If you want to import WinBridge S398 in batches or OEM customization, you can continue to pay attention to the following information, and hope that it will be helpful to you.

WinBridge S388 bulk order:

  1. OEM MOQ: 500PCS
  2. WinBridge Brand MOQ: 100PCS
  3. Payment: T/T 50% Deposit + 50% Balance before shipment
  4. Place of Origin: Shenzhen, China
  5. Delivery lead time: 30-40 Days after payment confirmed
  6. Warranty: 1-year warranty, lifetime technical support
  7. Certificate: CR,ROHS,FCC

Packing and shipping

The following is the scene of the WinBridge S388 warehouse, packing, loading, and shipping. We hope to deliver high-quality voice amplifier and pa system products to our partners:

 WinBridge Pack and Ship

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