# ResponseBridge S99 100W Portable PA System with Two Wireless Microphones

Amplify announcements and play music with the ResponseBridge S99, a 100W portable PA system with two wireless microphones.

- [Original product page](https://www.ofertitastop.com/us/product/responsebridge-s99-100w-portable-pa-system)
- [View offer](https://www.ofertitastop.com/us/visit/responsebridge-s99-100w-portable-pa-system)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-19T07:07:59.808Z
- Brand: ResponseBridge
- Model: S99
- MPN: S99
- SKU: ofertitastop-us-138068
- Category: Electronics > Audio > Public Address Systems
- Source store: amazon US
- Active deal: Yes
- Price: 169.99 USD
- Previous price: 199.99 USD
- Discount: 15%
- Rating: 4.5 / 5
- Reviews: 311

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

When the priority is making spoken announcements easy to hear, a dedicated voice amplifier is useful, when an event also calls for music or karaoke, playback options matter just as much. The ResponseBridge S99 brings both needs together in a portable PA system with 100W output and two wireless microphones.

Bluetooth, USB, TF card, and AUX playback let you choose a source for a presentation, class, or family gathering. Add a guitar through its dedicated input, or use the echo effect for singing.

## How it fits
For a speech or lesson, use the wireless microphones to amplify voices without having to stay beside the speaker. Both microphones can operate at the same time, making it practical for a two-person presentation, a host and guest, or shared karaoke. Each microphone has its own volume control, while the speaker also provides volume adjustment.

For music-led use, play audio over Bluetooth or from a USB drive, TF card, or AUX connection. The S99 can play music while amplifying a microphone, so a speaker can provide accompaniment during an announcement, performance, or sing-along. Its guitar input gives musicians another way to use the system, while the microphone jacks support wired microphone connections.

The built-in battery and included shoulder strap support portable use in settings such as classrooms, meetings, coaching sessions, and small events. A handle offers another way to carry it. The manufacturer lists up to 100W output and recommends a 5V/3A charger for charging, a charger is not included.

## Why it makes sense
Choosing between a system focused mainly on spoken voice and one that can also handle music depends on the event. The S99 combines voice amplification with several playback inputs, two simultaneous wireless microphones, and sound-effect modes, making it adaptable for a presentation one day and karaoke or a family gathering the next. Its Acoustic, Profession, Popular, and Hip-hop microphone modes offer options for different singing and speaking settings, the speaker also has Acoustic and Echo modes.

Buyers commonly praise the clear, powerful sound and ease of Bluetooth connection. They also describe using the system for presentations, parties, karaoke, and family events, and appreciate being able to carry it with the handle or strap. These are user impressions, while the listed connections and microphone features provide practical flexibility for varied uses.

## Key specifications
- Type: Portable PA system and voice amplifier
- Output: 100W
- Microphones: Two wireless handheld microphones, can operate simultaneously
- Connectivity: Bluetooth, USB, TF card, and AUX
- Inputs: Guitar, 3.5mm microphone, and 6.35mm microphone
- Sound modes: Acoustic, Profession, Popular, and Hip-hop microphone modes, Acoustic and Echo speaker modes
- Power: Battery powered, USB Type-C charging
- Included: Two wireless microphones, auxiliary cable, shoulder strap, and user manual
- Model: S99

## Buying verdict
The S99 suits people who need more than a speaker for music or a microphone setup for speeches alone. Its two wireless microphones, multiple playback options, guitar input, and portable carry options make it a practical fit for teaching, presentations, coaching, singing, and informal events. Choose it when one compact system needs to support both clear voice amplification and music playback.

## Images

![ResponseBridge S99 100W Portable PA System with Two Wireless Microphones — 1](https://www.ofertitastop.com/i/2t8SzkmsAWYv4KojBBK5wgoxL6AWvr71bxPnR3Amu5R3o_p0-6YEMpeKoVuZmuhe7xoiwdMKk_EM5d_ZJwvPIsvVEq78ZrSpTt89bNEM7cEY37YyCIXkUNcSMg.jpg)

![ResponseBridge S99 100W Portable PA System with Two Wireless Microphones — 2](https://www.ofertitastop.com/i/QWkjnEJdpHbM5p7k4hjygJeu_PGBT8hzlbmOQukQn__vuBi_syIrIEswP84YSa4YGgD_BzkpNhQIo6LqsB6foIwxSPpe30b11g9OHmrZ5laLbZwvWP-tiFsS2g.jpg)

![ResponseBridge S99 100W Portable PA System with Two Wireless Microphones — 3](https://www.ofertitastop.com/i/XCHsuoUrS9hZRty6zcF7XhuodLqNRxOenhzOATzGpCP9hfUAowhKWNJqQpTzmkSOEjUV9EdeLGCiun5W9WNr3_2u3YGuei8YXVYD1sz2xhM4QGgNx0IG0FkaUQ.jpg)

![ResponseBridge S99 100W Portable PA System with Two Wireless Microphones — 4](https://www.ofertitastop.com/i/q_32igN2sy7Jc2Icfi1qrVhcSWgNCx00otbm5TGlOTsJtImot9bUeookpTWJKVjstvbSJEemR3EwQA6HYzPv3X791ogRRHihSnFEKSByPOPk4lf8XO5OoTCf1w.jpg)

![ResponseBridge S99 100W Portable PA System with Two Wireless Microphones — 5](https://www.ofertitastop.com/i/ie5i1QfZ35Ht8kd-MmZOuxdlYjWz34usUOlxzC3O6XvN-20kY12n3V6PJk3Rk94FdKsOoj7XFxOdHudCMPPv4h8HPix8vcoW-fGvUL7XIOQGTbV75maHXA5Oww.jpg)