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Norwii S358 Wireless Voice Amplifier with 15W output power
Essential for Teachers, Public Speaker and Tour Guides
2.4G Wireless Mic & Backup Wired Mic
Choose wireless amplification for a free, lightweight experience—no need to wear a device all day long! We also include a spare wired microphone for added convenience.
15W Output Power & Clear Audio
For larger spaces—especially those over 2000 ft² or outdoor areas—the 15W output delivers exceptional amplification performance that stands out.
4000mAh Battery & USB-C Charging
The high-capacity battery drastically cuts down on charging frequency, while the universal USB-C charging design delivers effortless convenience and eliminates charging headaches.
Teach Without Ear-Piercing Feedback
The Voice Amplifier utilizes advanced frequency shifting technology to supress feedback effectively. Keep a distance of 20 cm between the microphone and the amplifier for better experence.
Enjoy music with family & friends
Suitable for
Function Map & What's in the box
Norwii Voice Amplifier
 S358 15W 5200mAh |  S358 15W 5200mAh |  S358 10W 4000mAh |  S358 10W 2000mAh |  S358 10W 4000mAh |  S328 10W 4000mAh |  S368 6W 1800mAh | |
|---|---|---|---|---|---|---|---|
Customer Reviews | — | — | — | — | — | — | — |
Price | — | — | — | — | — | — | — |
Charge Time | 3-4 hours | 3-4 hours | 4-6 hours | 2-3 Hours | 4-6 hours | 4-6 hours | 2-3 Hours |
Use Time | 10-12 hours | 10-12 hours | 15-20Hours | 12-15Hours | 25-30 hours | 35-38 Hours | About 22 Hours |
Power | 15W | 15W | 10W | 10W | 10W | 10W | 6W |
Battery Capacity | 5200mAh | 5200mAh | 4000mAh | 2000mAh | 4000mAh | 4000mAh | 1800mAh |
Microphone Style | Wired + Wireless Microphone | Wired + Wireless Microphone | Wired + Wireless Microphone | Wired Microphone | Wired Microphone | Wired Microphone | Wired Microphone |
Bluetooth | ? | ? | ? | ? | ? | ? | ? |
Voice Amplifier
Your Trusted Expert in Presentation & Audio Devices
S358 Voice Amplifier
Professional Bluetooth Amplifier for Teachers
Bluetooth Voice Amplifier
S358 Wireless
Wireless Voice Amplifier with Bluetooth Speaker
Mini Voice Amplifier
S328 Voice Amplifier
Multi-Function Personal Amplifier - HD Display
Are our products of high quality?
Our products use advanced chips and technology, combined with our experienced R&D team, professional customer guidance, and over 100 technical workers, to ensure that the quality of our products and services is top-notch.
Is the amplifier loud?
Norwii's portable amplifier not only has loud sound, but also good sound quality and clean sound. Our goal is to make the audience hear comfortably and clearly.
How to avoid feedback between microphone and voice amplifier?
1. Please maintain a distance of at least 50 centimeters between the microphone and the amplifier. Backing the amplifier to the microphone can achieve better amplification effect.
2. Please do not hold the microphone head with your hands.
How to Charge the voice amplifier?
The charging Port is USB-C. Please charge the voice amplifier through 5V mobile phone charger, computer, or power bank.
How to solve the problem of poor sound amplification effect?
For the best amplification effect, we suggest.
1. Do not remove the sponge cover of the microphone pickup head.
2. Keep the microphone pickup head facing your mouth and maintain a distance of 0.5-1cm.
Norwii S358 Wireless Voice Amplifier with 15W output power
Essential for Teachers, Public Speaker and Tour Guides
2.4G Wireless Mic & Backup Wired Mic
Choose wireless amplification for a free, lightweight experience—no need to wear a device all day long! We also include a spare wired microphone for added convenience.
15W Output Power & Clear Audio
For larger spaces—especially those over 2000 ft² or outdoor areas—the 15W output delivers exceptional amplification performance that stands out.
4000mAh Battery & USB-C Charging
The high-capacity battery drastically cuts down on charging frequency, while the universal USB-C charging design delivers effortless convenience and eliminates charging headaches.
Teach Without Ear-Piercing Feedback
The Voice Amplifier utilizes advanced frequency shifting technology to supress feedback effectively. Keep a distance of 20 cm between the microphone and the amplifier for better experence.
Enjoy music with family & friends
Suitable for
Function Map & What's in the box
Norwii Voice Amplifier
S358 15W 5200mAh | S358 15W 5200mAh | S358 10W 4000mAh | S358 10W 2000mAh | S358 10W 4000mAh | S328 10W 4000mAh | S368 6W 1800mAh |
|---|---|---|---|---|---|---|
| Customer Reviews | ||||||
— | — | — | — | — | — | — |
| Price | ||||||
| — | — | — | — | — | — | — |
| Charge Time | ||||||
| 3-4 hours | 3-4 hours | 4-6 hours | 2-3 Hours | 4-6 hours | 4-6 hours | 2-3 Hours |
| Use Time | ||||||
| 10-12 hours | 10-12 hours | 15-20Hours | 12-15Hours | 25-30 hours | 35-38 Hours | About 22 Hours |
| Power | ||||||
| 15W | 15W | 10W | 10W | 10W | 10W | 6W |
| Battery Capacity | ||||||
| 5200mAh | 5200mAh | 4000mAh | 2000mAh | 4000mAh | 4000mAh | 1800mAh |
| Microphone Style | ||||||
| Wired + Wireless Microphone | Wired + Wireless Microphone | Wired + Wireless Microphone | Wired Microphone | Wired Microphone | Wired Microphone | Wired Microphone |
| Bluetooth | ||||||
| ? | ? | ? | ? | ? | ? | ? |
Voice Amplifier
Your Trusted Expert in Presentation & Audio Devices
S358 Voice Amplifier
Professional Bluetooth Amplifier for Teachers
Bluetooth Voice Amplifier
S358 Wireless
Wireless Voice Amplifier with Bluetooth Speaker
Mini Voice Amplifier
S328 Voice Amplifier
Multi-Function Personal Amplifier - HD Display
Are our products of high quality?
Our products use advanced chips and technology, combined with our experienced R&D team, professional customer guidance, and over 100 technical workers, to ensure that the quality of our products and services is top-notch.
Is the amplifier loud?
Norwii's portable amplifier not only has loud sound, but also good sound quality and clean sound. Our goal is to make the audience hear comfortably and clearly.
How to avoid feedback between microphone and voice amplifier?
1. Please maintain a distance of at least 50 centimeters between the microphone and the amplifier. Backing the amplifier to the microphone can achieve better amplification effect.
2. Please do not hold the microphone head with your hands.
How to Charge the voice amplifier?
The charging Port is USB-C. Please charge the voice amplifier through 5V mobile phone charger, computer, or power bank.
How to solve the problem of poor sound amplification effect?
For the best amplification effect, we suggest.
1. Do not remove the sponge cover of the microphone pickup head.
2. Keep the microphone pickup head facing your mouth and maintain a distance of 0.5-1cm.