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DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides
DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides
DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides
DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides
DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides
DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides
DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides
DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides

DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides

DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides
DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides
DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides
DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides
DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides
DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides
DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides
DuaFire Black Voice Amplifier Portable Microphone Headset with Waistband for Classroom Teachers, Speakers, Yoga Instructors, Gym Directors, Coaches, Presentations, Seniors and Tour Guides
$29.69
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Features

  • Small & Portable Super Powerful Voice Amplifier/Speaker. Size is 4.13in x 3.31in x 1.38in (105mm x 84mm x 35mm). Rechargeable lithium batteries that last 10 hours of continuous use before needing a charge. A Green LED Light will indicate that battery is fully charged
  • Very loud, excellent clarity. Sound covers over 4,300 square feet (400 Square Meters). The voice amplifier is the best voice amplifier to get your message out to everyone, no matter what the crowd is. We designed our personal amplifier to be comfortably portable while still being sturdy enough to use in almost any situation. The mini voice amplifier is designed for teachers, preachers, coaches, or anyone who needs to get their message out
  • The small yet powerful amplifier with speakers provides the loud, clear output required for high quality voice amplification. It economical, portable, feature rich and high quality.
  • It also can be used as an MP3 speaker for Smartphone, audio player, etc., connected by audio cable(male to male). Comes with Headset microphone, Charger cable, MP3 cable, adjustable waist or neck band and a removable belt clip
  • We are so confident that our mini voice amplifier will be the best voice amplifier microphone system. Any query, please kindly contact us, we will do our best for you.

Description

1. The pocket voice amplifier works with excellent performance. 2. It is portable and very light weight, with fashionable design. 3. Extremely suitable for teachers,tour guides, coaches, promotion use, etc. 4. Come with an adjustable headset microphone which can free your hand. 5. Come with two input ports, one for microphone and one for sound input. 6. Can be used as a voice amplifier and computer MP3 speaker at the same time. Specifications: 1. Maximum output power: RMS20W 2. Frequency response: 100HZ - 13KHZ 3. Operating voltage:3.7V 4. Battery type: rechargeable lithium battery 5. Power source: Built-in rechargeable battery 6. Material: ABS plastic 7. Dimension:4.1*3.3*1.4 Inches Package Included: 1 x voice amplifier 1 x Headset microphone 1 x Battery charger 1 x Mp3(audio) cable(male to male) 1 x Adjustable waist belt


Item Weight 13.6 ounces


Package Dimensions 6.6 x 6.6 x 2.4 inches


Shipping Weight 13.6 ounces (View shipping rates and policies)


ASIN B019C8LMJS


Item model number DF-A-10008855


Customer Reviews 3.9 out of 5 stars 235 ratings 3.9 out of 5 stars


Best Sellers Rank #9,234 in Musical Instruments (See Top 100 in Musical Instruments) #34 in Wireless Microphone Transmitters & Receivers #771 in Microphone Accessories #3,085 in Music Recording Equipment


Date first listed on Amazon December 14, 2015


Shipping

This product includes free shipping to all US addresses.


Delivery

Unless otherwise stated above, most products arrive within 2-3 business days. Larger items may take 6-9 business days. Tracking information will be automatically provided as soon as your order ships.


View our full shipping policy here.

Returns

This product can be returned within 30 days of delivery for a full refund. Please visit our returns center to begin a return.

View our full returns policy here.

Features

  • Small & Portable Super Powerful Voice Amplifier/Speaker. Size is 4.13in x 3.31in x 1.38in (105mm x 84mm x 35mm). Rechargeable lithium batteries that last 10 hours of continuous use before needing a charge. A Green LED Light will indicate that battery is fully charged
  • Very loud, excellent clarity. Sound covers over 4,300 square feet (400 Square Meters). The voice amplifier is the best voice amplifier to get your message out to everyone, no matter what the crowd is. We designed our personal amplifier to be comfortably portable while still being sturdy enough to use in almost any situation. The mini voice amplifier is designed for teachers, preachers, coaches, or anyone who needs to get their message out
  • The small yet powerful amplifier with speakers provides the loud, clear output required for high quality voice amplification. It economical, portable, feature rich and high quality.
  • It also can be used as an MP3 speaker for Smartphone, audio player, etc., connected by audio cable(male to male). Comes with Headset microphone, Charger cable, MP3 cable, adjustable waist or neck band and a removable belt clip
  • We are so confident that our mini voice amplifier will be the best voice amplifier microphone system. Any query, please kindly contact us, we will do our best for you.

Description

1. The pocket voice amplifier works with excellent performance. 2. It is portable and very light weight, with fashionable design. 3. Extremely suitable for teachers,tour guides, coaches, promotion use, etc. 4. Come with an adjustable headset microphone which can free your hand. 5. Come with two input ports, one for microphone and one for sound input. 6. Can be used as a voice amplifier and computer MP3 speaker at the same time. Specifications: 1. Maximum output power: RMS20W 2. Frequency response: 100HZ - 13KHZ 3. Operating voltage:3.7V 4. Battery type: rechargeable lithium battery 5. Power source: Built-in rechargeable battery 6. Material: ABS plastic 7. Dimension:4.1*3.3*1.4 Inches Package Included: 1 x voice amplifier 1 x Headset microphone 1 x Battery charger 1 x Mp3(audio) cable(male to male) 1 x Adjustable waist belt


Item Weight 13.6 ounces


Package Dimensions 6.6 x 6.6 x 2.4 inches


Shipping Weight 13.6 ounces (View shipping rates and policies)


ASIN B019C8LMJS


Item model number DF-A-10008855


Customer Reviews 3.9 out of 5 stars 235 ratings 3.9 out of 5 stars


Best Sellers Rank #9,234 in Musical Instruments (See Top 100 in Musical Instruments) #34 in Wireless Microphone Transmitters & Receivers #771 in Microphone Accessories #3,085 in Music Recording Equipment


Date first listed on Amazon December 14, 2015


Shipping

This product includes free shipping to all US addresses.


Delivery

Unless otherwise stated above, most products arrive within 2-3 business days. Larger items may take 6-9 business days. Tracking information will be automatically provided as soon as your order ships.


View our full shipping policy here.

Returns

This product can be returned within 30 days of delivery for a full refund. Please visit our returns center to begin a return.

View our full returns policy here.

Features

  • Small & Portable Super Powerful Voice Amplifier/Speaker. Size is 4.13in x 3.31in x 1.38in (105mm x 84mm x 35mm). Rechargeable lithium batteries that last 10 hours of continuous use before needing a charge. A Green LED Light will indicate that battery is fully charged
  • Very loud, excellent clarity. Sound covers over 4,300 square feet (400 Square Meters). The voice amplifier is the best voice amplifier to get your message out to everyone, no matter what the crowd is. We designed our personal amplifier to be comfortably portable while still being sturdy enough to use in almost any situation. The mini voice amplifier is designed for teachers, preachers, coaches, or anyone who needs to get their message out
  • The small yet powerful amplifier with speakers provides the loud, clear output required for high quality voice amplification. It economical, portable, feature rich and high quality.
  • It also can be used as an MP3 speaker for Smartphone, audio player, etc., connected by audio cable(male to male). Comes with Headset microphone, Charger cable, MP3 cable, adjustable waist or neck band and a removable belt clip
  • We are so confident that our mini voice amplifier will be the best voice amplifier microphone system. Any query, please kindly contact us, we will do our best for you.

Description

1. The pocket voice amplifier works with excellent performance. 2. It is portable and very light weight, with fashionable design. 3. Extremely suitable for teachers,tour guides, coaches, promotion use, etc. 4. Come with an adjustable headset microphone which can free your hand. 5. Come with two input ports, one for microphone and one for sound input. 6. Can be used as a voice amplifier and computer MP3 speaker at the same time. Specifications: 1. Maximum output power: RMS20W 2. Frequency response: 100HZ - 13KHZ 3. Operating voltage:3.7V 4. Battery type: rechargeable lithium battery 5. Power source: Built-in rechargeable battery 6. Material: ABS plastic 7. Dimension:4.1*3.3*1.4 Inches Package Included: 1 x voice amplifier 1 x Headset microphone 1 x Battery charger 1 x Mp3(audio) cable(male to male) 1 x Adjustable waist belt


Item Weight 13.6 ounces


Package Dimensions 6.6 x 6.6 x 2.4 inches


Shipping Weight 13.6 ounces (View shipping rates and policies)


ASIN B019C8LMJS


Item model number DF-A-10008855


Customer Reviews 3.9 out of 5 stars 235 ratings 3.9 out of 5 stars


Best Sellers Rank #9,234 in Musical Instruments (See Top 100 in Musical Instruments) #34 in Wireless Microphone Transmitters & Receivers #771 in Microphone Accessories #3,085 in Music Recording Equipment


Date first listed on Amazon December 14, 2015


abunda_amazon_reviews This microphone and speaker is so loud! I am a Spin instructor in a gym where the microphone and speaker system has been broken on and off for months, one thing after another (new gym, too). So I purchased this recently and it has been great using it. We have a large room and the participants of my class are able to hear me perfectly over the overhead music playing. I don't even turn it to the highest volume! I recommended to the other instructors.;;Reviewed in the United States on August 23, 2016;;5.0 out of 5 stars;;Love this thing!;;MagicNMayhem;;/gp/customer-reviews/R3UY46PDNYHKQI/ref=cm_cr_dp_d_rvw_ttl?ie=UTF8&ASIN=B019C8LMJS;;;I'm a high school teacher and for some reason the kids pipe down now that I use it. They say it's too loud which is great. They don't want me to talk to them specifically over the loud speaker. It's very helpful when clearing the halls after the late bell. Feedback is non-existent as the mic and amp have to be extremely close for it to happen. I love the adjustable belt.;;Reviewed in the United States on November 25, 2018;;5.0 out of 5 stars;;Quieter Students;;Tamica Gaither;;/gp/customer-reviews/R1CROJKCRDTJH5/ref=cm_cr_dp_d_rvw_ttl?ie=UTF8&ASIN=B019C8LMJS;;;I got this voice amplifier for speeches and presentations delivered in a larger space. My voice does not amplify well so instead of straining my voice, I decided to try this device out. The box came with a voice amplifier, microphone, battery charger, MP3 Audio cable, and an adjustable waist belt. The amplifier was a little bigger and heavier than I liked but overall, I found this product to be a good purchase. The volumn is adjustable so you make it quite loud if needed. Just be careful about holding the amplifier too close to the microphone because it will make a horrible noise. Also, note that the microphone band is not meant to go over your head like a headphone but behind your head so that it's not as visible to your audience. I initially tried it on as a headband and found it uncomfortable so it's not meant to be worn that way.;;Reviewed in the United States on March 24, 2018;;4.0 out of 5 stars;;The amplifier was a little bigger and heavier than I liked but overall;;QP.Doll;;/gp/customer-reviews/R76QZ2BQC8JMI/ref=cm_cr_dp_d_rvw_ttl?ie=UTF8&ASIN=B019C8LMJS;;;I have a vocal cord condition called "Spasmodic Dysphonia". The only treatment for this condition is Botox injections on a quarterly basis. The first month after the injection I speak just barely above a whisper. A friend suggest I get some type of microphone to help me be heard during this time. I googled voice amplifier and this came up. Thank you DuaFire and Amazon for making this available. It really helps in amplifying my voice without making it sound like I am screaming at people! I am very pleased with this microphone.;;Reviewed in the United States on December 18, 2016;;5.0 out of 5 stars;;Works like Intended, Very Pleased;;purp;;/gp/customer-reviews/R2FR5UFDE91RII/ref=cm_cr_dp_d_rvw_ttl?ie=UTF8&ASIN=B019C8LMJS;;;I found this device to be effective in helping me teach my class. I recently suffered health issues that impacted my throat/voice, so I purchased the DuaFire Voice Amplifier to keep from straining my voice during my lecture. My voice came across with clarity. The device itself is good quality and easy to setup. The only reason, I gave 4 stars, is that the waist strap was not as sturdy as I would have liked; and a "wireless" device would have been more appropriate for my needs. However, if you don't need a wireless set, I would highly recommend this product, it's an excellent device for the price.;;Reviewed in the United States on May 16, 2017;;4.0 out of 5 stars;;Excellent Device for the Price;;Dr.Missy;;/gp/customer-reviews/R1OUX35KPMHP7M/ref=cm_cr_dp_d_rvw_ttl?ie=UTF8&ASIN=B019C8LMJS;;;This works. You wear the lightweight speaker/amplifier around your waist with a strap that they provide and you wear the microphone on your head --- and we can finally hear the speaker at meetings with groups of people ! The voice is clear and the volume was just what we were looking for. I would like to buy one for each club I belong to. Nothing more frustrating than sitting in the back of the room and not being able to hear! This product actually works and solves that problem and it leaves the speakers hands free. I would buy it again.;;Reviewed in the United States on September 22, 2016;;5.0 out of 5 stars;;This works.;;What I. Like;;/gp/customer-reviews/R1WHB8S9IOCGA3/ref=cm_cr_dp_d_rvw_ttl?ie=UTF8&ASIN=B019C8LMJS;;;I bought this to use with a singing/dancing group. As an instructor, it's saved my voice these last couple of weeks! I don't have to shout over the music to be heard. I am able to give dance instructions to my students that can be heard above the volume of the music. The children have taken turns using the mic during rehearsals for their solo parts. The clip holds well on a belt or waistband on jeans and works for both children and adults. The headset is not adjustable, but you can move the mouthpiece to get it in the right place for the best sound. The mouthpiece does need to be right in front of your mouth to be heard, but that hasn't been an issue. I have not had any problems with feedback - just keep the headset and amplifier box from getting too close or it will squeal. It's been great for rehearsals in a smaller space. It would not have sufficient amplification for an auditorium, but it works great in our smaller practice space (20'x50'). I have used it for several hours already and still have not had to charge it. Why 3 stars?...6 months in, it no longer works. The connector where the ear piece connects has issues and I cannot get amplification without holding the earpiece in place.;;Reviewed in the United States on February 14, 2017;;3.0 out of 5 stars;;but you can move the mouthpiece to get it in the right place for the best sound. The mouthpiece does need to be right ...;;Amazon Customer;;/gp/customer-reviews/RUZP4BQ8ENPNI/ref=cm_cr_dp_d_rvw_ttl?ie=UTF8&ASIN=B019C8LMJS;;;As a children's entertainer, balloon twister, I needed something small but not necessary powerful to cover a large room - just enough so that I don't have to strain my voice. This is perfect & just clips on to my apron. Highly recommend!;;Reviewed in the United States on September 21, 2016;;5.0 out of 5 stars;;Perfect to use around a small gathering without having to raise your voice.;;Christine Maentz, CBA;;/gp/customer-reviews/R3NNJTJHGXD0R2/ref=cm_cr_dp_d_rvw_ttl?ie=UTF8&ASIN=B019C8LMJS

Shipping

This product includes free shipping to all US addresses.


Delivery

Orders placed now will arrive in 6-9 business days. Tracking information will be automatically provided as soon as your order ships.


View our full shipping policy here.

Returns

This product can be returned within 30 days of delivery for a full refund. Please visit our returns center to begin a return.

View our full returns policy here.

Top Amazon Reviews


5.0 out of 5 stars
By MagicNMayhem - Reviewed in the United States on August 23, 2016
Love this thing!
This microphone and speaker is so loud! I am a Spin instructor in a gym where the microphone and speaker system has been broken on and off for months, one thing after another (new gym, too). So I purchased this recently and it has been great using it. We have a large room and the participants of my class are able to hear me perfectly over the overhead music playing. I don't even turn it to the highest volume! I recommended to the other instructors.

5.0 out of 5 stars
By Tamica Gaither - Reviewed in the United States on November 25, 2018
Quieter Students
I'm a high school teacher and for some reason the kids pipe down now that I use it. They say it's too loud which is great. They don't want me to talk to them specifically over the loud speaker. It's very helpful when clearing the halls after the late bell. Feedback is non-existent as the mic and amp have to be extremely close for it to happen. I love the adjustable belt.

4.0 out of 5 stars
By QP.Doll - Reviewed in the United States on March 24, 2018
The amplifier was a little bigger and heavier than I liked but overall
I got this voice amplifier for speeches and presentations delivered in a larger space. My voice does not amplify well so instead of straining my voice, I decided to try this device out. The box came with a voice amplifier, microphone, battery charger, MP3 Audio cable, and an adjustable waist belt. The amplifier was a little bigger and heavier than I liked but overall, I found this product to be a good purchase. The volumn is adjustable so you make it quite loud if needed. Just be careful about holding the amplifier too close to the microphone because it will make a horrible noise. Also, note that the microphone band is not meant to go over your head like a headphone but behind your head so that it's not as visible to your audience. I initially tried it on as a headband and found it uncomfortable so it's not meant to be worn that way.

5.0 out of 5 stars
By purp - Reviewed in the United States on December 18, 2016
Works like Intended, Very Pleased
I have a vocal cord condition called "Spasmodic Dysphonia". The only treatment for this condition is Botox injections on a quarterly basis. The first month after the injection I speak just barely above a whisper. A friend suggest I get some type of microphone to help me be heard during this time. I googled voice amplifier and this came up. Thank you DuaFire and Amazon for making this available. It really helps in amplifying my voice without making it sound like I am screaming at people! I am very pleased with this microphone.

4.0 out of 5 stars
By Dr.Missy - Reviewed in the United States on May 16, 2017
Excellent Device for the Price
I found this device to be effective in helping me teach my class. I recently suffered health issues that impacted my throat/voice, so I purchased the DuaFire Voice Amplifier to keep from straining my voice during my lecture. My voice came across with clarity. The device itself is good quality and easy to setup. The only reason, I gave 4 stars, is that the waist strap was not as sturdy as I would have liked; and a "wireless" device would have been more appropriate for my needs. However, if you don't need a wireless set, I would highly recommend this product, it's an excellent device for the price.

5.0 out of 5 stars
By What I. Like - Reviewed in the United States on September 22, 2016
This works.
This works. You wear the lightweight speaker/amplifier around your waist with a strap that they provide and you wear the microphone on your head --- and we can finally hear the speaker at meetings with groups of people ! The voice is clear and the volume was just what we were looking for. I would like to buy one for each club I belong to. Nothing more frustrating than sitting in the back of the room and not being able to hear! This product actually works and solves that problem and it leaves the speakers hands free. I would buy it again.

3.0 out of 5 stars
By Amazon Customer - Reviewed in the United States on February 14, 2017
but you can move the mouthpiece to get it in the right place for the best sound. The mouthpiece does need to be right ...
I bought this to use with a singing/dancing group. As an instructor, it's saved my voice these last couple of weeks! I don't have to shout over the music to be heard. I am able to give dance instructions to my students that can be heard above the volume of the music. The children have taken turns using the mic during rehearsals for their solo parts. The clip holds well on a belt or waistband on jeans and works for both children and adults. The headset is not adjustable, but you can move the mouthpiece to get it in the right place for the best sound. The mouthpiece does need to be right in front of your mouth to be heard, but that hasn't been an issue. I have not had any problems with feedback - just keep the headset and amplifier box from getting too close or it will squeal. It's been great for rehearsals in a smaller space. It would not have sufficient amplification for an auditorium, but it works great in our smaller practice space (20'x50'). I have used it for several hours already and still have not had to charge it. Why 3 stars?...6 months in, it no longer works. The connector where the ear piece connects has issues and I cannot get amplification without holding the earpiece in place.

5.0 out of 5 stars
By Christine Maentz, CBA - Reviewed in the United States on September 21, 2016
Perfect to use around a small gathering without having to raise your voice.
As a children's entertainer, balloon twister, I needed something small but not necessary powerful to cover a large room - just enough so that I don't have to strain my voice. This is perfect & just clips on to my apron. Highly recommend!

Recent Reviews


5.0 out of 5 stars
By MagicNMayhem - Reviewed in the United States on August 23, 2016
Love this thing!
This microphone and speaker is so loud! I am a Spin instructor in a gym where the microphone and speaker system has been broken on and off for months, one thing after another (new gym, too). So I purchased this recently and it has been great using it. We have a large room and the participants of my class are able to hear me perfectly over the overhead music playing. I don't even turn it to the highest volume! I recommended to the other instructors.

5.0 out of 5 stars
By Tamica Gaither - Reviewed in the United States on November 25, 2018
Quieter Students
I'm a high school teacher and for some reason the kids pipe down now that I use it. They say it's too loud which is great. They don't want me to talk to them specifically over the loud speaker. It's very helpful when clearing the halls after the late bell. Feedback is non-existent as the mic and amp have to be extremely close for it to happen. I love the adjustable belt.

4.0 out of 5 stars
By QP.Doll - Reviewed in the United States on March 24, 2018
The amplifier was a little bigger and heavier than I liked but overall
I got this voice amplifier for speeches and presentations delivered in a larger space. My voice does not amplify well so instead of straining my voice, I decided to try this device out. The box came with a voice amplifier, microphone, battery charger, MP3 Audio cable, and an adjustable waist belt. The amplifier was a little bigger and heavier than I liked but overall, I found this product to be a good purchase. The volumn is adjustable so you make it quite loud if needed. Just be careful about holding the amplifier too close to the microphone because it will make a horrible noise. Also, note that the microphone band is not meant to go over your head like a headphone but behind your head so that it's not as visible to your audience. I initially tried it on as a headband and found it uncomfortable so it's not meant to be worn that way.

5.0 out of 5 stars
By purp - Reviewed in the United States on December 18, 2016
Works like Intended, Very Pleased
I have a vocal cord condition called "Spasmodic Dysphonia". The only treatment for this condition is Botox injections on a quarterly basis. The first month after the injection I speak just barely above a whisper. A friend suggest I get some type of microphone to help me be heard during this time. I googled voice amplifier and this came up. Thank you DuaFire and Amazon for making this available. It really helps in amplifying my voice without making it sound like I am screaming at people! I am very pleased with this microphone.

4.0 out of 5 stars
By Dr.Missy - Reviewed in the United States on May 16, 2017
Excellent Device for the Price
I found this device to be effective in helping me teach my class. I recently suffered health issues that impacted my throat/voice, so I purchased the DuaFire Voice Amplifier to keep from straining my voice during my lecture. My voice came across with clarity. The device itself is good quality and easy to setup. The only reason, I gave 4 stars, is that the waist strap was not as sturdy as I would have liked; and a "wireless" device would have been more appropriate for my needs. However, if you don't need a wireless set, I would highly recommend this product, it's an excellent device for the price.

5.0 out of 5 stars
By What I. Like - Reviewed in the United States on September 22, 2016
This works.
This works. You wear the lightweight speaker/amplifier around your waist with a strap that they provide and you wear the microphone on your head --- and we can finally hear the speaker at meetings with groups of people ! The voice is clear and the volume was just what we were looking for. I would like to buy one for each club I belong to. Nothing more frustrating than sitting in the back of the room and not being able to hear! This product actually works and solves that problem and it leaves the speakers hands free. I would buy it again.

3.0 out of 5 stars
By Amazon Customer - Reviewed in the United States on February 14, 2017
but you can move the mouthpiece to get it in the right place for the best sound. The mouthpiece does need to be right ...
I bought this to use with a singing/dancing group. As an instructor, it's saved my voice these last couple of weeks! I don't have to shout over the music to be heard. I am able to give dance instructions to my students that can be heard above the volume of the music. The children have taken turns using the mic during rehearsals for their solo parts. The clip holds well on a belt or waistband on jeans and works for both children and adults. The headset is not adjustable, but you can move the mouthpiece to get it in the right place for the best sound. The mouthpiece does need to be right in front of your mouth to be heard, but that hasn't been an issue. I have not had any problems with feedback - just keep the headset and amplifier box from getting too close or it will squeal. It's been great for rehearsals in a smaller space. It would not have sufficient amplification for an auditorium, but it works great in our smaller practice space (20'x50'). I have used it for several hours already and still have not had to charge it. Why 3 stars?...6 months in, it no longer works. The connector where the ear piece connects has issues and I cannot get amplification without holding the earpiece in place.

5.0 out of 5 stars
By Christine Maentz, CBA - Reviewed in the United States on September 21, 2016
Perfect to use around a small gathering without having to raise your voice.
As a children's entertainer, balloon twister, I needed something small but not necessary powerful to cover a large room - just enough so that I don't have to strain my voice. This is perfect & just clips on to my apron. Highly recommend!