Voice Amplifier for Teachers Buying Guide
Use this buying guide to get the right voice amplifier for teachers’ expectations and a budget that is less than $150.

Teachers’ Confusion
More and more teachers will buy voice amplifiers to assist in teaching to save their voices and protect their throats. How do you choose the amplifier system that suits your own teaching environment?
- My vocal cords have some obstacles, how do I choose a suitable voice amplifier for my classroom?
- There are more than 80 students in my classroom. What voice amplifier should I purchase to project sound to the entire classroom?
- I often have to teach outdoors, and my students can’t hear me clearly. What should I do?
- To allow the students to hear me, particularly those at the far end of the room and those with hearing problems, what should I use?
- By using a voice amplifier, can I walk around the classroom and teach with ease, even while using a facemask.
- Should I choose a wired or wireless voice amplifier? What are the advantages of each?
- Our classroom requires students to interact frequently, how should I choose a voice amplifier?
- My voice is always too soft in class, and the students always complain that they can’t hear clearly. What can I do?
Are these questions familiar to you?
Choosing a voice amplifier is not easy when there is so much to consider. Hopefully, we’ll be able to simplify things through this quick guide. We will teach you how to choose the right voice amplifier for teachers step-by-step. Read on!


Table of Contents
- Your Budget Range
- Number of Students
- The Amplifier Classroom Area
- Wired or Wireless Voice Amplifier
- The Amplifier Power Requirements
- Voice amplifier for teachers with mask
- Whether to teach outdoors or not
- Whether to interact with students in the classroom
- For teaching offline and online at the same time
- Voice Amplifier for a Music Teacher
- Voice Amplifier for a Dancer Teacher
- Voice Amplifier for a Physical Education Teacher
- Voice Amplifier for a University Teacher
- Voice Amplifier for Vocal Paralysis
- List of voice amplifiers required by teachers
- Get advice from professionals
Your Budget Range
Number of Students
Voice Amplifier for Number of Students
Number of Students | Output Power | Price Range |
10~20 | 5 Watt | $50 |
20~30 | 5~7 watt | $50~70$ |
30~50 | 5~10 Watt | $50~$70 |
50~80 | 10~15 Watt | $60~$80 |
80~100 | 10~15 Watt | $60~$100 |
100~120 | 15~20 Watt | $70~$120 |
120~150 | 20~25 Watt | $80~$130 |
150~180 | 25~30 Watt | $120~$150 |
The Voice Amplifier Classroom Area
First of all, for kindergarten teachers, our recommended voice amplifiers are the ones with an output power of 5-10W. The reasons for the recommendation are that the output power 5-10W voice amplifier is suitable for the applicable site area within 40 meters, kindergarten classrooms, and the number of people generally in this range, so this type of power voice amplifier is the most suitable.
Voice Amplifier for the Classroom Area
Classroom Area: Square Meter | Output Power | Price Range |
50~100 | 5 Watt | $50 |
100~200 | 5~7 Watt | $50~70$ |
100~250 | 5~10 Watt | $50~$70 |
200~400 | 10~15 Watt | $60~$80 |
300~500 | 10~15 Watt | $60~$100 |
400~800 | 15~20 Watt | $70~$120 |
600~800 | 20~25 Watt | $80~$130 |
800~1000 | 25~30 Watt | $120~$150 |
Wired or Wireless Voice Amplifier
For teachers who want to purchase wired or wireless voice amplifiers, we have listed the advantages of each and the user applications. For teachers who cannot decide whether to choose wired or wireless voice amplifiers for use in the classroom, you can check below:
Advantages of Wired Voice Amplifiers:
1. Wired voice amplifier is lightweight, compact, and portable.
2. Operation is straightforward, even without checking the manual. Just plug and play.
3. The sound output is clear.
4. Easy to use
5. You can adjust the belt
6. You can put the volume high or low easily
Applications Where Wired Voice Amplifiers are Not Easy To Use:
1. Not suitable for strenuous movements
2. Unwilling to carry straps and voice amplifiers
Advantages of Wireless Voice Amplifiers:
1. The microphone headset is adjustable and fits comfortably
2. Wireless voice amplifier comes with a wireless microphone that has a great future for controlling the volume.
3. The max sound can cover about 10000 sq. ft (1000 ㎡), loud enough to cover a big room.
Applications Where Wired Voice Amplifiers are Not Easily Used:
1. Wireless microphone is easy to run out of power needs frequent charging, and it is tedious to use.
2. Microphone pairing voice amplifiers often can not be paired, UHF pairing is more difficult.
3. The voice amplifier with a long time, the propagation distance will be relatively short.
Wired or Wireless Voice Amplifier for Teachers
Wired Voice Amplifier | Wireless Voice Amplifier | Lapel Voice Amplifier |
Wired Microphone | Wireless Microphone | Wired Microphone |
With a headset | With a headset | lapel |
Around the Neck | Around the Neck | |
UHF | ||
Handree | Handree | Handree |
Need to charge the Microphone | ||
Need to Wear the Machine | Need to Wear the Machine | |
Portability | Portability | Portability |
Personal Voice Amplifier | Personal Voice Amplifier | Personal Voice Amplifier |
Ultralight | ||
Rechargeable | Rechargeable | Rechargeable |
with Mask | with Mask | with Mask |
The Voice Amplifier Power Requirements
For the teacher’s class time and course schedule, we recommend different models of voice amplifiers to customers according to the battery of the teacher using the voice amplifier and the length of time it takes to charge the voice amplifier.
If a teacher has more than 5 hours of continuous class time per day, we recommend using this model, which has a large battery with nearly 20 hours of battery life, a wired microphone that does not require additional charging, and a fast-charging feature that takes up to three hours to fully charge, making it ideal for use by teachers in continuous teaching.
The Voice Amplifier Power and Price
Class Time (per day | Battery Power | Price Range |
1~2h | 1050 mAh | $50 |
2~4h | 1050 mAh~1800 mAh | $50~70$ |
4~5h | 1800 mAh~2500 mAh | $50~$70 |
5~7h | 2200 mAh~3000 mAh | $70~$100 |
7~9h | 3000 mAh~4400 mAh | $80~$150 |

Voice Amplifier for Teachers with Mask
In the face of the Covid19 pandemic, teachers teaching in classrooms are now required to wear masks, a situation that may lead back to teachers teaching in classrooms with lower voices and speech that may be inaudible to students. We recommend that teachers use high-powered voice amplifiers.
High-powered loudspeakers are the most suitable aid when teaching and using masks at the same time. These types of loudspeakers all have the most basic feature of the output power of 20W or more.
When using a 20-watt voice amplifier, the effect of amplification is very good. The farthest it can reach is 1000 sq. feet. It can let up to 180 people hear clearly.
These types of voice amplifiers generally have Bluetooth capabilities. If the teacher has throat discomfort, she can record her lessons in advance. In the classroom, the Bluetooth device will play the audio in the voice amplifier.
For music classes, these types of voice amplifiers can be used as a music player alone.

Whether to Teach Outdoors or Not
For different teaching scenarios, we recommend the use of different voice amplifiers. Teaching can be done indoors or outdoors.
For indoors, consider the area and the number of people to choose the right voice amplifier. For outdoor, consider the type of movement and environmental factors when choosing.
For outdoor teaching, our most recommended is a fall-proof, waterproof, and dustproof voice amplifier. When using this voice amplifier outdoors, do not worry about the impact of strenuous exercise and sudden rain on the voice amplifier. This voice amplifier has more than 10 hours of amplification time so you can have enough power to use.
This loudspeaker has a wired and wireless style. You can choose from different models. Teachers can buy by checking on the included functions to match their lifestyle.
This voice amplifier can also be used as a music player outdoors. As long as the U disk is inserted, the voice amplifier can play the audio such as when teaching in the gym or yoga class. This voice amplifier can bring great help to teachers.
Music playback time can reach more than 8 hours. You can use the mic or the headset or use both at the same time.

Students’ Interaction in the classroom
The voice amplifier with two wireless microphones also has the function of Bluetooth, which can be used to play music through Bluetooth devices such as cell phones and computers.
Voice Amplifier for Teaching Offline and Online at the Same Time
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Speak loud and clear.
Voice Amplifiers will assist teachers in exerting less effort in their delivery of teachings to be discussed with their students. Voice amplifiers will perform the work for them instead of giving their lectures loudly or manually amplifying their voices.
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Reduce your mental stress.
One of the most formidable obstacles that a teacher must overcome is stress. It’s impossible to avoid, especially when pupils don’t receive or understand what the teacher is saying, resulting in a barrage of questions.
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Learning that is more efficient.
Teachers can deliver loud and clear lessons to pupils by utilizing the voice amplifier, which provides the highest audio quality for improved learning. Students will be able to hear the information without any sound barriers, typically caused by low-quality audio output from some microphones on teachers’ devices.
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The presentation is similar to that of a classroom.
Suppose the teacher prefers to use a chalkboard, whiteboard, charts, or any other teaching approach. In that case, the voice amplifier can be worn on the waistband and used to discuss the lesson with the connected microphone if the teacher has a board at home. Because the Voice
The voice amplifier is also equipped with Bluetooth, the teacher can use the wireless microphone. The teacher can pick between the two options based on their preferences.

Voice Amplifier for a Music Teacher
Music teachers need to emphasize their lessons by talking clearly and at the right volume in class. But, when they talk aloud, it can cause fatigue in their throat area that can give them voice problems. Thus, they need to keep muscle stress to a minimum.
The esophageal muscle is considerably affected when we converse for an extended period, especially with music teachers who offer lessons to their students for several hours.
Teachers will not need to shout for students to understand clearly what is being said if they use a voice amplifier. Teachers will be able to give their students the finest education possible by staying in good shape.
With the help of voice amplifiers, music teachers can now enjoy teaching while protecting their voices. The Voice Amplifier is equipped with USB Aux, wherein you can connect it to your laptop or desktop to give a power supply.
While the voice amplifier is connected to your device, it is also charging power to itself, so you do not need to worry about the voice amplifier’s capability. Teachers can use the voice amplifier for their entire class schedule.
Always invest in a good headset and sound equipment. Clear audio is critical when teaching.
Get a good microphone, preferably with a wireless headset so your students can hear you loud and clear and you can hear them as well, whether you’re doing a live class or recorded one.
Items | Need | Other |
Microphone | Wireless | |
Speaker | 5~20 Watt | Within 80 students |
Battery | 1000~2500 mAh | |
Record | Yes | |
MP3 | Yes | |
Bluetooth | Yes | |
UHF | Yes |
Voice Amplifier for a Dancer Teacher
If you’re a dance teacher and you need a voice amplifier and Bluetooth speaker to help you in your dance class, you need a voice amplifier.
If you teach dance lessons in a small or medium-sized class, you can choose a wireless headset microphone so you can dance freely while talking loud and clear.
The best voice amplifier has a variety of features that can be used simultaneously. Let us discuss the different functions you can get from a Winbridge Voice Amplifier:
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Bluetooth Connectivity
The latest technology for Bluetooth connectivity gives an excellent experience to its users. Winbridge voice amplifiers and PA systems carry a top-notch performance when it comes to Bluetooth connection. Take note that not all Bluetooth speakers have the same quality when it comes to sound output. When choosing the best voice amplifier, check all the functions that come with it such as the wattage and connectivity coverage.
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Battery and Power Life
Chargeable devices are more useful and economical instead of using disposable batteries or rechargeable batteries. If you want a long-lasting voice enhancer device, choose one with a battery life of at least 5-8 hours or more.
- WinBridge voice amplifiers have enduring and durable batteries so you can use them for a longer time. Since the charging cables are mostly USB-port capable, you can have more options in getting it re-charged.
- With rechargeable batteries, there are no more messy wires when you use them. Wireless gadgets are very convenient and even the charging cables are just long enough to be kept in a small case. They are very portable you don’t need other adapters or cables to make them work.
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Noise Cancellation
A wireless speaker’s circuit design should minimize white noise and undesired ambient sounds, allowing you to have a wonderful and fulfilling listening experience! It should filter out and cancel out background disturbances so that you don’t have to crank up the volume to hear the sound clearly.
- For wireless headsets or microphones, the active noise-canceling function may reduce excessive or unwanted noise because its structure provides a barrier that filters high-frequency sound waves. This way, the noise is reduced by actively eliminating or filtering lower-frequency sound waves.
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Added Features and Functions
Aside from amplifying your voice, there are basic and enhanced features that you can get from a Winbridge voice amplifier. It comes with a built-in recorder, FM radio, TF/micro sd card port, Aux and USB ports, etc. There are specific functions that you can get from different models, so you can only buy the unit that will fit your needs.
Items | Need | Other |
Microphone | Wireless | Dance moves more freely |
Speaker | 5~30 Watt | |
Battery | 1000~4400 mAh | |
Record | Yes | |
UHF | Yes | |
Lavalier Mic | Yes | |
Bluetooth Connectivity | Yes | |
Aux and USB ports | Yes |
Voice Amplifier for a Physical Education Teacher
When you have a class of around 30-100 students, a voice amplifier is helpful. It allows you to talk and adjust the volume of your voice. Since it is portable, you can use it in many ways. You can use a belt to secure or wear it around the shoulders or waist. You can use a wireless headset mic or a wireless lavalier so you can clip it to your shirt or collar while teaching hands-free.
PE teachers need energy when teaching sports or exercises. Without a voice amplifier, it is easy to be exhausted as they need to exert effort when talking. When doing some sports or body movements, using a wireless headset mic is so convenient because they can execute the steps while speaking with a clear, loud voice.
Here’s one outdoor voice amplifier and a PA system that is highly recommended for PE teachers: WinBridge H5 Plus with Headset Lapel Lavalier Mic Transmitter. See the features below:
This wireless portable voice amplifier for physical education teachers is a unique package because you’ll get a Bluetooth wireless headset and a lavalier mic transmitter. The main speaker may look small, but this loudspeaker delivers 25 Watts of powerful sound that can cover 25000sq.ft and around 50+ people.
- Power Output
This 25W voice amplifier is great for small to medium-size audiences. You can experience clarity and high-quality sound output with this mini PA system. - Multifunctional Loudspeaker with Audio Ports
This indoor or outdoor PA system also supports Aux input, TF Card, U Disk, FM Radio, and One-click Recording. - Wireless Microphones
A wireless headset, a lapel mic, and a clip mic are included with this wireless voice amplifier. You are free to use whatever you want. However, when the transmitter is used with the lapel mic or clip mic, only one microphone can be used with the speaker. So, if you’ve paired the headset, you won’t be able to use the transmitter or the lapel mic - Rechargeable Battery
With built-in 3600 mAh rechargeable battery. Once fully charged, The speaker can play music for 5-6 hours, the headset can last for 3-4 hours, and the transmitter can last for 4-5 hours. - Lightweight
This portable voice speaker measures 9.06 * 8.50 * 3.54″ in size. For only 3.27lb, this lightweight loudspeaker is compact and easy to carry anywhere. - Latest Bluetooth Technology
With 5.0 Bluetooth, you can play music from any Bluetooth device. - Pairing
Connecting two units is possible and can produce louder and more powerful sounds so you can cover bigger and wider spaces. TWS function enables you to connect 2 units for a more powerful sound.
Items | Need | Other |
Microphone | Wireless | Easy to move around outdoors |
Speaker | 5~30 Watt | |
Battery | 1000~4400 mAh | |
Waterproof | Yes | |
Windproof | Yes | |
Rugged anti-fall | Yes | |
Bluetooth | Yes | |
UHF | Yes |
Voice Amplifier for a University Teacher
For university teachers, Winbridge partnered with schools, colleges, and universities worldwide to help them teach both in online and offline setup. Our world-class amplifiers help teachers teach in class quickly, even when using a facemask or recording their lectures.
One of the ways to promote inclusivity is to send pre-recorded videos of yourself giving the lesson. Unfortunately, live streaming or live lessons take up a lot of bandwidth, so students with weaker Internet connections may not participate or complete the session.
To make pre-recorded lessons lively, you should use a good microphone during the recording. With the use of voice amplifiers, you can create high-quality recorded lessons. Aside from that, there are different features that you can use for multitasking. We recommend one of our best voice amplifiers: WinBridge S92 Plus
WinBridge S92 Plus is a voice amplifier that is recommended for teachers, coaches, or speakers that can be used for class presentations, reports, meetings, public speaking, and conferences.
- Power Output
This 25W voice amplifier allows you to be heard loud and clear by many people within a 50 ft range. Available for groups of 50-150 people and can be heard clearly. - Multifunctional Loudspeaker
This voice amplifier is multi-functional and portable, it can be also used as a PA speaker with aux ports and provisions for USB and TF card ports. - Wireless Microphones
A wireless voice amplifier With two portable microphones, you can place the unit in the center of the room and transmit some distance from it. You will get around 50 ft! And the U8 wireless mic can easily be split into the headset and mini handheld models. Can adjust the volume via pressing the “+” and “-” on the mic. - Rechargeable Battery
It has a built-in 2600mAh lithium battery that takes 3 to 5 hours of recharging time and 12 hours of maximum working time. - Latest Bluetooth Technology
With its latest 5.0 Bluetooth technology, this voice amplifier can be used as a speaker by connecting your device via Bluetooth. - Pairing
It comes with two U8 wireless headset microphones that can be paired or connected to the speaker/amplifier at the same time.
Items | Need | Other |
Microphone | Wireless or Wired | |
Speaker | 10~30 Watt | |
Battery | 2200~4400 mAh | Within 200 students |
Bluetooth | Yes | |
Record | Yes | |
UHF | Yes |
Voice Amplifier for Vocal Paralysis
The capacity to talk and even breathe can be compromised by vocal cord paralysis. That’s because your vocal cords, also known as vocal folds, are responsible for more than just sound production.
When you have vocal paralysis, a voice amplifier can help you in many ways. Since talking is hard, a voice amplifier can help you communicate and lessen the symptoms that come with it. When you have this sickness, you can experience hoarseness, or your vocal pitch is very low. You cannot shout and even speak louder because it affects your breathing.
While on treatment, it is advisable to use a voice amplifier that can help amplify your voice to talk with ease and lessen the difficulty. Here at WinBridge, we created voice amplifiers that are good for medical problems. One of our highly-recommended models is WinBridge S278 UHF.
This lightweight, wireless voice amplifier is very handy and useful both indoors and outdoors.
• S278UHF voice amplifier comes with a wireless microphone for hands-free talking and with user-friendly features.
• This is a portable multifunctional voice amplifier, which supports Bluetooth connection to the mobile phone, plug in TF card to play music, recording, AUX and USB drivers, and the voice amplifier can work for 12~15 hours on a single charge.
• Equipped with a wireless microphone, it can work for 3~4.5 hours on a charge. The microphone can not only be worn on the head but also be used as a handheld microphone when working.
• Can easily expand your voice within 1500 square meters
Items | Need | Other |
Microphone | Wireless or Wired | |
Speaker | 5~25 Watt | |
Battery | 1000~3000 mAh | Within 100 students |
Bluetooth | Yes | |
Record | Yes | |
UHF | Yes |
List of Voice Amplifiers Required by Teachers
Do you experience difficulty talking when you wear a facemask? Do you need to speak louder and adjust the volume of your voice every now and then?
Do you feel stressed and tired at the end of the day because of talking non-stop? If your answer is “yes,” then you need to buy these voice amplifiers!
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If you are choosing the voice amplifier you need to meet yourself, you can submit your needs, we will guide you on what type of VA should be purchased according to your classroom and student situation.