Get Your Lessons Out There with the Best Voice Amplifiers for Teachers

We teachers depend on our voices to reach all of our students. Our voice is our main instrument, and sometimes it seems like we’re talking non-stop. Portable voice amplifiers are small devices that offer big benefits. They can save your voice and make your work simpler.

Best voice amplifiers for teachers

According to research at Michigan State University and the University of Utah, women are more at risk than men of developing serious vocal problems in the teaching profession. I have a colleague who strained her voice to such an extent during her years of teaching that she can’t speak above a whisper today. I got worried, because some days it seems like I talk more than other days and my throat was starting to hurt.

When voice problems occur, your teaching may become sub-standard. Teachers do things to make up for not being able to speak. It’s called presenteeism rather than absenteeism. You are at work, but not functioning on all cylinders. One of your most important tools is missing: your voice.

I did some research and found this article, which explains that the main problem is volume. I recommend you read it to get an idea of how serious the problem is. It concludes that amplification is the solution. Many voice disorders can be avoided or reduced if the teacher doesn’t have to speak loudly (read “yell”) most of the day.

Voice amplifiers to the rescue. They’re great when your voice is tired but you still have a lot of speaking to do before the day is done. If you’ve tapped out your voice for the day or week, a voice amplifier will allow a soft voice to be heard, even by a large group. Amplifiers are essential for a major event or assembly. Just plug in the headset, and clip the unit to your belt or waistband and turn it on. If you support my idea of giving your voice a break, check out my detailed reviews of the best voice amplifiers for teachers.

Best voice amplifiers:

  1. Zoweetek Portable Rechargeable Mini Voice Amplifier →
  2. Voice Amplifier MAONO C01 →
  3. Portable Voice Amplifier SHIDU →
  4. SHIDU Bluetooth Voice Amplifier →
  5. RJoanna Jeremiah Portable Voice Amplifier →
  6. Gigaphone G100 Voice Amplifier →
  7. VoiceBooster Voice Amplifier →

How Amplifiers Work

Also called a speech assistance device, a portable voice amplifier is a mini public address system you can clip on your belt or wear around your neck. They’re relatively small units but provide a lot of volume when you need to speak to a large group at an outdoor event or even in an indoor assembly where the whole gym is full of students and teachers.

The small amplifier has a built-in speaker and a lightweight, portable headset. Some headsets are wired and some are wireless. If you need more amplification, you can download amplification apps for Android and iPhone. The sets come with a rechargeable lithium battery and can be operated with one hand.

Yes, my friends, I said one hand. You can hold your clipboard, beverage, program, speech, or anything else you need in your other hand. Just plug in the headset and start talking. Use your normal voice and the people in the back of a large, crowded room will hear you. Take a look at this to get an idea of the possibilities.

This video doesn’t have a huge classroom, but the teacher doesn’t need to strain at all and all the kids can hear clearly no matter where they’re sitting or where the teacher is walking.

Different Kinds of Amplifiers

There’s a big variety of voice amplifiers on the market that may be useful for teachers. Below, I’ve given you a list of seven types so you can get an idea of what’s available. The choice you make will depend on your usage. For example, will you use it in a regular classroom, a large assembly hall, outdoors, or all of the above? Do you want to be able to play music or discussions you’ve downloaded?

1. Zoweetek Voice Amplifier →

Zoweetek Portable Rechargeable Mini Voice Amplifier

This little amplifier is designed to save your throat. It provides clear sound with no distortion or static. It’s suitable for about a 10,000 square-foot room or a group of 25 – 100 people. The compact size is great for clipping on your belt or pocket, and it’s lightweight at 0.36 pounds. It supports 3.5 mm AUX audio input and the mic port can be used as a wired speaker for mobiles, computers and iPads or tablets.

 

 

Goodies I found:

  • It comes with a waist belt to tie around your waist or your neck if you don’t happen to be wearing a belt.
  • The 1800 mAh lithium battery is rechargeable and works up to 12 hours continuously. It’ll charge in three to five hours.
  • You can use it to play MP3 audio with a TF (Micro SD) card or a USB flash drive. This is a great feature if you want to play music or let your students listen to a TED talk or other lecture or discussion that you’ve downloaded.

Best for: This is a good voice amplifier for classroom teaching as well as for singing lessons, coaching sports, guiding tours, presentations, and outdoor activities. If you teach physical education, coach a team, or go on many field trips, this is the amplifier for you.

2. Voice Amplifier MAONO C01 →

Voice Amplifier MAONO C01

This amplifier is a lightweight, cardioid rechargeable wired microphone. It has a waistband and an LED display. The sound covers about 6,000 square feet, which is less than the Zoweetek. The cardioid microphone only collects the sound you speak and not any background noise, which is why it’s suitable for outdoor events even though the area it covers is smaller. This one has an attractive gold design and is more elegant than the usual black.

Goodies I found:

  • The LED indicator lets you know when the battery needs to be charged so you never need to experience an unexpected no-power situation.
  • It can play music and receive input at the same time so you can use it as a mini karaoke set. This is great fun for kids, and everyone else for that matter.
  • It’s an FM radio and has a USB port for charging or connecting to a computer. This is a benefit if you need more volume. You can connect it to computer speakers.

Best for: This is a perfect amplifier with a personal microphone for teachers, coaches, tour guides, presentations, and meetings with a large number of attendees. One elementary school music teacher uses it to let her children sing into it so the whole class can hear. Since it doesn’t pick up ambient noise, the class can hear when she speaks while playing the piano.

3. Portable Voice Amplifier SHIDU →

Portable Voice Amplifier SHIDU

This rechargeable mini PA system is suitable for just about anyone who needs to speak to a large class or room full of people. It has a 10W power output and comes in black, as well as an attractive pink color. The small size is deceptive because it gives big sound. It also provides clear sound and doesn’t collect ambient noise. It’s specifically designed for people who need to talk a lot and put their throats at risk. The 1800 mAh battery provides up to 12 hours of use and will recharge in three to five hours. It’s also a music player with an adjustable microphone headset.

 

Goodies I found:

  • It comes with a waistband to tie around your waist or hang around your neck. You can choose the best way to wear it for different occasions.
  • You can use it hands-free with the adjustable headset and clip or waistband.
  • It’s good for exercise or dance classes, because you can move around as long as you’re careful not to get the microphone in front of the speaker if you bend over.

Best for: This is another amplifier that can be used as a karaoke system. The sound covers about 5,000 square feet. It’s good for large classrooms or medium-sized lecture halls. It provides 10 watts of power, but is not your best choice for outdoor events.

4. SHIDU Bluetooth Voice Amplifier →

SHIDU Bluetooth Voice Amplifier

This is a waterproof portable personal amplification system with a power of 18W. It’s great for swimming lessons, obviously, as well as for at the beach or other outdoor venues where rain is expected. It can be used as a power bank for emergency charging and as a Bluetooth speaker. It’ll record, and supports AUX input with a micro SD card and U disk. It’s good for projecting your voice in a wide variety of spaces, but you may not need all of these features if you just want to save your voice in your daily classroom activities.

Goodies I found:

  • The headset is adjustable and comfortable and will not cause pain after long use.
  • You can pair it with a Bluetooth headset and a phone to play music.
  • It has voice prompt when Bluetooth is connected.
  • It has a UHF wireless microphone.

Best for: This is the voice amplifier you want if you’ll be using it outdoors most of the time. It’s great for coaches, and any teacher taking children on a field trip. The waterproof feature means you don’t have to worry about humidity or rain.

5. RJoanna Jeremiah Portable Voice Amplifier →

RJoanna Jeremiah Portable Voice Amplifier

This amplifier is designed to have super clear sound. It accepts no ambient noise or distractions. It has 10 watts and covers a 10,000-square-foot room. Its small and lightweight with a clip on the back to fix on a belt or pocket. The built-in rechargeable lithium-ion battery provides long-term playing time. The headset and microphone are comfortable and fit like a headband or can be worn around the neck.

 

 

Goodies I found:

  • It has a waistband to tie around your waist where you can clip the unit.
  • It has a recording function and a USB flash drive port.
  • It has an AUX audio input so you can use it as a wired speaker.

Best for: This amplifier is specifically designed for use by teachers and the elderly, especially for people who can’t project their voice. It can be used while you’re mobile in a fitness class or just walking around the classroom. It’s also useful if you want to play some music or a lecture to your class.

6. Gigaphone G100 Voice Amplifier →

Gigaphone G100 Voice Amplifier

This amplifier is powerful with a 30-watt output. It’s waterproof and suitable for using outdoors. It doesn’t pick up ambient noise so the sound is very clear. The body is lightweight and manufactured with a special design that protects it against shocks, dust and drops. There’s no transmitted voice distortion because of its patented circuit design. It works well while you move around on a walk outdoors or in a large classroom. It doesn’t have AUX input so it’s not suitable if you want to play music. If you just want to project your voice, this is one of the best on the market.

 

Goodies I found:

  • Along with the waist belt, it has a shoulder strap and can serve as a teacher microphone necklace.
  • The ear-set mic, i-set mic and hand-held mic have windscreen sponge foams.
  • It comes with a Phillips screwdriver and a carrying case.

Best for: This device promises to give everyone from teachers to karaoke singers great sound. It’s best for large rooms like a gym, or for outdoor uses like a field trip when all your kids need to hear your instructions.

7. VoiceBooster Voice Amplifier →

VoiceBooster Voice Amplifier

This amplifier has 25 watts of power and is also an MP3 player and an FM radio. It’s small and lightweight but produces a big sound. The brand is owned by TK Products, and this device must be purchased through an authorized dealer of TK Products to maintain the warranty. The rechargeable lithium battery lasts up to 15 hours, which is one of the longest in this list, and it provides loud, clear sound that covers 7,000 square feet. It has a USB port and a Micro SD port, and the amp will accept signals from both ports and send the sounds out the speaker at the same time.

Goodies I found:

  • It has an adjustable neck lanyard or waistband and a carrying bag.
  • The FM radio has automatic tuning, but some people prefer manual tuning to reach weaker stations.
  • Your MP3 player can play lectures, music, and anything else you want your class to hear.

Best for: This product is highly recommended for outdoor use. It may be especially good for coaches on the field, teachers in a gym, or field trips where children tend to spread out and the teacher needs to yell so everyone can hear.

4 Steps to Choosing a Voice Amplifier

Portable voice amplifiers have many features that will help teachers save their voices. The basic features that all of them have are a microphone, speaker and powered amplifier. They have volume control, and most of them come with a method to wear the device. Before choosing one that seems to suit your needs, I recommend you consider certain features.

Step 1. Start with the battery

The first thing to look at is how long the battery lasts. Some batteries need to be charged every few hours, and some have instructions that the battery should be charged only when it’s completely dead. Also, some batteries last three hours and some last 15 hours. If you’re a music teacher or a physical education teacher, you may need the long-lasting battery so you only have to charge it at night. If you’re using the voice amplifier on an all-day field trip, the longer-lasting battery may be essential. However, if you have time during the day to keep your device plugged in, a short-term battery may be enough for you.

Step 2. Consider strength or volume

A voice amplifier is only useful if it helps people at a distance hear you when you speak in a normal voice. Before choosing a device, check the amount of area it covers with clear sound. Some cover 10,000 square feet and are suitable for outdoors, and some cover 5,000 square feet and are suitable for a medium-size classroom. As you saw in the video above, the classroom wasn’t very large, but the amplifier made a big difference when the teacher walked around the room. If that’s all you need, you don’t have to spend a lot for one that fills a whole gymnasium with sound.

Step 3. Pay attention to portability

All of the devices I recommended are portable. This is a very important feature for a teacher, whether in a classroom or outdoors. If you’re just giving a lecture, you’ll probably have a sound system and stand at a lectern, but for most of us, movement is important while we talk to our students. The above-mentioned devices are small, lightweight, and can be worn around your neck or clipped to your belt. Don’t forget that portability and batteries go together.

Step 4. Find an amplifier that’s easy to use

We may vary in our understanding of technology, and some voice amplifiers have different features and connections. If you want one that has all the bells and whistles, make sure you take the time to read the instruction booklet or find someone to explain it to you so you can actually use the features you paid for. For example, if you want to play music in the background while you speak on a certain subject, you need to know how to set it up for that.

If you plan to use your voice amplification system outdoors most of the time, you may want to consider the waterproof feature. Then you don’t have to worry about protecting it if it starts to rain or the air becomes very moist and humid. A wireless voice amplifier may be your best option if you prefer to be hands-free. Finally, make sure your amplifier is comfortable to wear around your waist or neck for long periods. The lightweight devices tend to be the most comfortable.

Tips on How to Use a Voice Amplifier

As teachers, we’re always trying to get the attention of our students. Many times, they stop listening because they can’t hear what’s being said and can’t follow. To remedy this, we start to speak loudly and even shout in some cases. When you use a voice amplifier, this is the first thing you need to stop. You can speak in a normal, even quiet, voice and still be heard at the back of the gym.

Another tip that will help the voice amplifier be more effective is for you to speak slowly. If you teach at the primary level, you may already know how effective this is to help children to follow, but if you teach teenagers, you may have developed the habit of speaking fast in the hope that it’ll better hold their attention. The voice amplifier allows people at a distance to hear you speak, even though they can’t see you up close. When you speak more slowly, people at a distance may be able to follow better.

To Sum Up

Whether you teach physical education or a small kindergarten class, a portable voice amplifier will improve your quality of teaching while protecting your health. There’s a large selection of features for every need, from the smallest classroom to the playing field.

If you can’t find a wireless one that gives enough volume for your needs, make sure it can be connected to another device such as computer speakers. To learn about the best computer speakers on the market, see my other blog post.

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