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  • WinBridge S91 Voice Amplifier & Karaoke Machine, 30W Portable PA System with 2 Wireless Microphones, HD Clear Sound Bluetooth Speaker for Teachers, Tour Guide, Singing, Home Party,Big Sound Small Body
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WinBridge S91 Voice Amplifier & Karaoke Machine, 30W Portable PA System with 2 Wireless Microphones, HD Clear Sound Bluetooth Speaker for Teachers, Tour Guide, Singing, Home Party,Big Sound Small Body

4.6 out of 5 stars 20 ratings
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About this item

  • Experience crystal-clear amplification with our 30W DSP Voice Amplifier,portable speaker features advanced noise reduction and echo cancellation for distortion-free sound, plus dual wireless microphones and versatile connectivity via Bluetooth 5.3, AUX, TF, and USB.
  • Designed as a versatile voice amplifier that doubles as a portable karaoke machine, this system features dual wireless microphones with simultaneous operation, smart controls—including dedicated +/- buttons and one-touch sync mode (hold both for 3s)—delivering clear amplification for speeches and powerful sound for singing, making it perfect for both professional use and family entertainment.
  • This portable PA system features an industry-leading wireless microphone setup with auto-pairing and a massive 65ft+ range, providing flawless, dropout-free coverage for over 2150 sq.ft—making it the ultimate mobile sound solution for medium-sized spaces where reliable wireless performance is critical
  • Designed for premium simplicity, this wireless voice amplifier features an intuitive control interface and delivers extended, worry-free performance with a 3500mAh speaker (5-8H), 1500mAh handheld mic (13H+), and 500mAh headset mic (5H+), all featuring fast Type-C charging and a SMART-Battery algorithm that intelligently optimizes runtime based on volume changes.
  • Featuring a detachable microphone with multi-wearing options and a strap-equipped speaker for versatile use, this PA system includes a pro wireless handheld mic with smart precision controls—dedicated +/- buttons and sync mode—all enhanced by expert acoustic engineering like a dual-layer metal grille and advanced anti-feedback algorithm for pristine sound.
  • S91 Wireless Speaker and Microphone is ideal for teachers,fitness instructors, outdoor guides, event hosts, seniors, and gospel preachers etc, the WinBridge system is backed by a 1-year warranty and lifetime technical support to ensure reliable performance in every scenario.
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Product information

Technical Details

Audio input ‎AUX, TF, Wireless Microphones
Manufacturer ‎WinBridge
Place of Business ‎Building 327, Huashenghui A, Hangcheng Industrial Zone, Qianjin 2nd Road, Xixiang Shenzhen Bao'an District 518126 Guangdong CN
Model ‎S91
Part Number ‎S91
Mounting Hardware ‎1*Headset Mic, 1*Voice Amplifier, 1* Handheld Mic, 2*Charging Cables, 1*Aux Cable
Number of Items ‎8
Output Wattage ‎30 Watts
Batteries included ‎Yes
Batteries Required ‎Yes
Battery Cell Composition ‎Lithium Ion
Includes rechargable battery ‎Yes
Item model number ‎S91
Product Dimensions ‎10.49 x 5.31 x 12.7 cm; 508.02 g
ASIN ‎B0FNMSVH14

Additional Information

Batteries 1 C batteries required. (included)
Date First Available Sept. 1 2025
Customer Reviews
4.6 out of 5 stars 20 ratings

4.6 out of 5 stars
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WinBridge S91 Voice Amplifier & Karaoke Machine, 30W Portable PA System with 2 Wireless Microphones, HD Clear Sound Bluetooth Speaker for Teachers, Tour Guide, Singing, Home Party,Big Sound Small Body

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Product Description

30W Pure DSP Amplification – Hear Every Word, Without the Noise

voice amplifier

This is a versatile 30W portable voice amplifier &PA system that delivers crystal-clear sound through advanced DSP technology with noise reduction and echo cancellation. Featuring dual wireless mics with auto-pairing, 65ft+ range, and simultaneous operation, it provides coverage for 12000+ sq ft.

Flexible Wearing Options for Microphones

headset microphone

Be Worn On The Head

wear microphone

Hung Around The Neck

mini microphone

Detachable Handheld Microphone

heandheld microphone

Wireless Handheld Microphone

S91 Wireless Speaker Mic is perfect for teachers, fitness instructors, outdoor guides, event hosts, seniors, and preachers. Its clear voice projection and portability make it ideal for presentations, classes, tours, and gatherings.

S91 Technical Specifications

Output Power: 30W
Frequency Range: 60HZ-18KHZ
Speaker Battery: 7.4V/3500mAh
Speaker Working Time: 5-8 hours
Headset Mic Battery: 500mAh
Headset Mic Working Time: 5 hours
Handheld Mic Battery: 1500mAh
Handheld Mic Working Time: 13 hours
Speaker Size: 10.5*5.3*12.7cm/ 4.13* 2.09*5.00 inch
Speaker Weight: 0.538KG/1.12lb

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