---
product_id: 714786377
title: "100W Powerful Voice Amplifier with 2 Wireless Microphones, Big Pro Sound Portable Speaker with Microphone, Bluetooth Speaker PA System Karaoke Machine Support BT/USB/TF Card/Aux/Guitar S99"
brand: "responsebridge"
price: "$1238.58"
currency: USD
in_stock: true
reviews_count: 5
category: "Response Bridge"
url: https://www.desertcart.us/products/714786377-100w-powerful-voice-amplifier-with-2-wireless-microphones-big-pro
store_origin: US
region: United States of America
---

# 2 wireless mics included 100W powerhouse sound 5-hour fast-charge battery 100W Powerful Voice Amplifier with 2 Wireless Microphones, Big Pro Sound Portable Speaker with Microphone, Bluetooth Speaker PA System Karaoke Machine Support BT/USB/TF Card/Aux/Guitar S99

**Brand:** responsebridge
**Price:** $1238.58
**Availability:** ✅ In Stock

## Summary

> 🎶 Own the stage with crystal-clear power and wireless freedom!

## Quick Answers

- **What is this?** 100W Powerful Voice Amplifier with 2 Wireless Microphones, Big Pro Sound Portable Speaker with Microphone, Bluetooth Speaker PA System Karaoke Machine Support BT/USB/TF Card/Aux/Guitar S99 by responsebridge
- **How much does it cost?** $1238.58 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/714786377-100w-powerful-voice-amplifier-with-2-wireless-microphones-big-pro)

## Best For

- responsebridge enthusiasts

## Why This Product

- Trusted responsebridge brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Portable Pro Design:** Durable metal casing with ergonomic handle and strap for effortless transport to any event or venue.
- • **Crystal-Clear 100W Audio:** Immerse your audience with deep bass and crisp treble from a 6.5" woofer & 2" tweeter combo.
- • **Long-Lasting Fast Charge:** Up to 5 hours of continuous playtime powered by Type-C fast charging—ready whenever you are.
- • **Versatile Connectivity Options:** Bluetooth, USB, TF card, Aux, and guitar inputs cover every playback and performance need.
- • **Dual Wireless Mics for Dynamic Duets:** Seamlessly connect and control two wireless microphones independently for flawless collaboration.

## Overview

The ResponseBridge S99 is a 100W portable PA system featuring dual wireless microphones, multi-input support (Bluetooth, USB, Aux, TF card, guitar), and a robust 6.5" woofer with 2" tweeter for premium sound clarity. Designed for professionals and event hosts, it offers up to 5 hours of playback on a fast-charging battery, housed in a stylish, durable metal frame with ergonomic portability.

## Description

Our high-quality system is designed to deliver exceptional audio, ensuring every note and detail is clear and vibrant, enhancing your enjoyment with every listen.

Review: High quality with crisp & clear voice - The voice is crisp & clear, and love the quality of this product. It is a bit heavy, mostly because of its high quality and is very well made. My kids love singing their favorite poems & songs all the time. I was able to connect my phone & tried a karoke on youtube. The phone & both the mics connected easily on bluetooth with the speaker. I would definitely arrange a karaoke night with my friends for this.
Review: I definitely loved it - I bought this voice amplifier and I loved it. The voice is heard very clearly when you speak through the microphones and without echo when you listen to music. The sound is clear and powerful. It comes with two microphones which makes it perfect in case you want to do any activity. It can be connected by Bluetooth, USB card, it is rechargeable and you can take it everywhere since it is portable. I definitely loved it and it is much more than I expected.

## Features

- 1. Powerful Sound Performance for Crystal-Clear Audio: Experience unparalleled audio quality with this robust voice amplifier, boasting a 100W output powered by a 6.5-inch woofer and a 2-inch tweeter. Enjoy deep bass and crisp treble that deliver astounding sound clarity without any noise interference or distortion. The 360-degree omnidirectional sound effect ensures an immersive experience from every angle, making it perfect for any setting where clear and powerful sound is essential
- 2. Designed for Multifunctionality and Extended Playtime: Tailored to meet diverse playback needs, this speaker with microphone supports Bluetooth connectivity, USB, TF card, Aux input, and an echo function for enhanced audio experiences. It features both 3.5mm and 6.35mm microphone jacks compatible with wired microphones, as well as dedicated guitar ports. Equipped with Type-C fast charging technology, the speaker provides up to 5 hours of continuous playback on a single charge, ideal for churches, small gatherings, schools, classrooms, gyms, corporate meetings, and presentations
- 3. Dual Wireless Microphones & Flexible Volume Control: This system comes with two wireless microphones that can operate simultaneously, allowing users to adjust volume levels independently on both the microphone and speaker. Choose from a variety of sound effects modes (Acoustic, Profession, Popular, Hip-hop) to suit different settings effortlessly, ensuring optimal performance for various events and performances
- 4. Premium Design & Effortless Portability: Crafted with a high-end appearance, this portable PA system features a durable metal casing and iron mesh grille, combining style with practicality. Its ergonomic design includes an adjustable handle and strap, enabling effortless portability so you can carry it anywhere with ease, whether you're teaching, coaching, guiding tours, or hosting events
- 5. Perfect Gift & Reliable Customer Support: Packaged elegantly, this multi-functional portable microphones with speaker makes an excellent gift for teachers, coaches, tour guides, karaoke enthusiasts, musicians, wedding planners, event managers, and more. Our commitment to customer satisfaction means we provide reliable support; if you encounter any issues, please contact us before considering a return—we are dedicated to offering satisfactory solutions

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DMF419PY |
| Audio Input | AUX |
| Box Contents | 1* Amplifier, 2* Microphones,1* Auxiliary Cable,1* Shoulder Strap,1* User Manual |
| Brand | ResponseBridge |
| Brand Name | ResponseBridge |
| Colour | Black |
| Compatible Devices | Guitar, Laptop, MP3 Player, Smartphone, Tablet |
| Connectivity Technology | AUX , Bluetooth |
| Connector Type | 3.5mm, 6.35mm, Guitar, AUX |
| Country of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 196 Reviews |
| Enclosure Material | Acrylonitrile Butadiene Styrene (ABS) Plastic Metal Aluminium |
| Item Dimensions | 13 x 19 x 25 Centimeters |
| Item Weight Unit of Measure | 3.4 kg |
| Item dimensions L x W x H | 13 x 19 x 25 Centimeters |
| Manufacturer | ResponseBridge |
| Manufacturer Part Number | S99 |
| Model Number | S99 |
| Mounting Type | Portable |
| Network Connectivity Technology | AUX, Bluetooth |
| Number of Channels | 2 |
| Output Wattage | 100 Watts |
| Power Source | Battery Powered |

## Product Details

- **Brand:** ResponseBridge
- **Item dimensions L x W x H:** 13 x 19 x 25 Centimeters
- **Connectivity Technology:** AUX, Bluetooth
- **Colour:** Black
- **Compatible Devices:** Guitar, Laptop, MP3 Player, Smartphone, Tablet

## Images

![100W Powerful Voice Amplifier with 2 Wireless Microphones, Big Pro Sound Portable Speaker with Microphone, Bluetooth Speaker PA System Karaoke Machine Support BT/USB/TF Card/Aux/Guitar S99 - Image 1](https://m.media-amazon.com/images/I/71u2xAtTPQL.jpg)
![100W Powerful Voice Amplifier with 2 Wireless Microphones, Big Pro Sound Portable Speaker with Microphone, Bluetooth Speaker PA System Karaoke Machine Support BT/USB/TF Card/Aux/Guitar S99 - Image 2](https://m.media-amazon.com/images/I/71bX+7imM4L.jpg)
![100W Powerful Voice Amplifier with 2 Wireless Microphones, Big Pro Sound Portable Speaker with Microphone, Bluetooth Speaker PA System Karaoke Machine Support BT/USB/TF Card/Aux/Guitar S99 - Image 3](https://m.media-amazon.com/images/I/710eKhA-TnL.jpg)
![100W Powerful Voice Amplifier with 2 Wireless Microphones, Big Pro Sound Portable Speaker with Microphone, Bluetooth Speaker PA System Karaoke Machine Support BT/USB/TF Card/Aux/Guitar S99 - Image 4](https://m.media-amazon.com/images/I/71z7a2fCMzL.jpg)
![100W Powerful Voice Amplifier with 2 Wireless Microphones, Big Pro Sound Portable Speaker with Microphone, Bluetooth Speaker PA System Karaoke Machine Support BT/USB/TF Card/Aux/Guitar S99 - Image 5](https://m.media-amazon.com/images/I/71-YCcFOoUL.jpg)

## Questions & Answers

**Q: If your S99 speaker and wireless handheld microphone fail to connect, follow these steps**
A: 1）Pairing Issue: Speaker and mic usually auto-pair when powered on. If not, check the manual for pairing steps. 2）Sudden Disconnect: Press the mic’s power button 3-5 times quickly to reconnect. Repeat until it works.

**Q: How many microphones can the S99 support at the same time？**
A: The S99 supports up to 4 microphones simultaneously, as it comes with both 3.55mm and 6.35mm jack ports that can be used at the same time.

**Q: Does the S99 speaker support use with a guitar?**
A: Yes, it supports use with a guitar.

**Q: Does the S99 play music and amplify sound simultaneously?**
A: Yes, it supports playing music and amplifying sound at the same time. Please pair the microphone before connecting to Bluetooth. (Avoid reversing these steps, as it may cause connection issues）

**Q: What charger specs are recommended for the fastest charging? Can I use the speaker while it's charging?**
A: For optimal charging speed, we recommend using a 5V/3A charger. Yes, you can safely use this speaker while it is charging. This will not damage the device or affect its battery life.

## Customer Reviews

### ⭐⭐⭐⭐⭐ High quality with crisp & clear voice
*by K***N on 3 July 2025*

The voice is crisp & clear, and love the quality of this product. It is a bit heavy, mostly because of its high quality and is very well made. My kids love singing their favorite poems & songs all the time. I was able to connect my phone & tried a karoke on youtube. The phone & both the mics connected easily on bluetooth with the speaker. I would definitely arrange a karaoke night with my friends for this.

### ⭐⭐⭐⭐⭐ I definitely loved it
*by A***A on 10 July 2026*

I bought this voice amplifier and I loved it. The voice is heard very clearly when you speak through the microphones and without echo when you listen to music. The sound is clear and powerful. It comes with two microphones which makes it perfect in case you want to do any activity. It can be connected by Bluetooth, USB card, it is rechargeable and you can take it everywhere since it is portable. I definitely loved it and it is much more than I expected.

### ⭐⭐⭐⭐⭐ super cool and easy to use - for musicians or non musicians -
*by R***R on 22 July 2025*

This is a super cool peice of equipment. All you gotta do is charge it and you're ready to rock. For musicians this is awesome, i am a professional musician and this comes in really handy. User friendly, easy to understand and awesome to use. I recommend this hignly.

## Frequently Bought Together

- 100W Powerful Voice Amplifier with 2 Wireless Microphones, Big Pro Sound Portable Speaker with Microphone, Bluetooth Speaker PA System Karaoke Machine Support BT/USB/TF Card/Aux/Guitar S99
- Bietrun Wireless Microphone Headset, UHF Wireless Headset Mic System, 160ft Range,1/8'' and 1/4'' Plug, for Speakers, Voice Amplifier, PA System(Not Supported AUX/iOS)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-06*