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Bigaing

Teaching Waist Portable Speaker Electronic Megaphones

Digg(138) ( 8 Reviews)
       
US $52.99
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Are you looking for something to protect your throat which is stressed out? Do you often need to talk very loudly? Does this always hurt your throat? If so, I figured that you've got the right place. We recommend you these teaching waist portable speaker electronic megaphones.I figured that you've got the right place. Whether you're a teacher, lecturer, exercise instructor or presenter, make sure you get your message across loud and clear with this electronic mini megaphone. Our electronic mini megaphone here is designed with frequency stability, strong anti-interference, low distortion, good sound quality and stable performance. Low distortion and effective feedback rejection, the portable bullhorn megaphone is a great choice! Unique protection circuit, the microphone portable microphone can used for a long time. The rechargeable megaphone applies to teaching, guided tours, outdoor or noisy places. Portable microphone has built-in automatic charging control circuit with audio input socket, and external audio source connection.It makes sure that your message across loud and clear with this cheap microphone speaker. And the battery of the portable waistband tour teacher voice amplifier microphone speaker is very durable.Low distortion and effective feedback rejection, it's a great choice! This electronic portable microphone will not disappoint you!
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Product Description

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  • Specifications:

    • Frequency Response: 70-12000Hz
    • Maximum Output Power: 15W
    • Speaker Impedance:
    • Operating Voltage: 6-8.4V
    • Battery Specification:  Special Lithium Ion Battery
    • Charger Specification: DC 10.6V/400mA
    • Working Time: 20Hours
    • Charge Time: 4-5Hours
    • Size: 11.0 x 9.4 x 4.9cm/4.3 x 3.7 x 1.9in(L x W x T)

    Features:

    • Waist design makes you free to talk without holding this electronic mini megaphone
    • This electronic mini megaphone supports the TF card and USB flash disk
    • Designed with professional acoustics technology, this electronic mini megaphone can amplify your voice without any loss in quality
    • The portable bullhorn megaphone can be applied to teaching, guided tours, outdoor or noisy places
    • Built-in automatic charging control circuit with audio input socket, and external audio source connection
    • Unique protection circuit, the microphone portable microphone can used for a long time

    Details:

    Bigaing Teaching Waist Portable Speaker Electronic Megaphones

    Mini Megaphone

    • Microphone speaker is adopted advanced high quality material, not afraid of the impact

    Bullhorn Megaphone

    • Microphone speaker is ultra-light and mini design, easy to carry

    Portable Microphon

    • Charging convenience, you can plug in the charger, you can re-charge

    Bigaing Teaching Waist Portable Speaker Electronic Megaphones

    • The nice megaphone can be applied to teaching, guided tours, outdoor or noisy places

    Mini Megaphone

    Bullhorn Megaphone

    • It makes sure that your message across loudly and clearly with this fine details megaphone

    How Do Audio Amplifiers Work:

    Portable Microphon

    What is an Amplifier

    • If you've ever been to a rock concert, a movie theater or simply listened to music on your way to work, you've used an amplifier. Amplifiers can come in many forms. Everything from the tiny ear-buds you use with your MP3 player to the earth shaking surround sound systems in an IMAX theater are all amplifiers. Their main function is simply to take an audible sound (a voice, a sound effect, a musical instrument) and make it louder. Some amplifiers manipulate the sound it is reproducing. A guitar player may use his amplifier to add distortion or reverb to his guitar sound. Others may use equalization to add bass for a seat rattling movie experience. The bottom line though, amplifiers are all about volume

    Moving Air

    • The most important thing needed to amplify sound is air. The amplifier, or amp, takes an audio signal and vibrates the speaker inside. This vibration moves the air around the speaker. Your ear perceives this as audible sound. In fact, the human ear itself functions the same way. Your eardrum fluctuates with the vibrations it is receiving and send those signals to your brain as sound. The more power an amp has, the more air it can move and thus, create a louder sound. So, we know that amps need to move air to amplify audio signals. But how does it get the signal in the first place

    Power Surge

    • Amplifiers reproduce audio signals that it receives via an electrical signal. When you're speaking into a microphone, your voice is vibrating a tiny diaphragm inside. The microphone generates an electrical impulse that fluctuates with those vibrations and sends them through a cord into the amp. At this point, the amp increases the strength of that signal by passing it through tubes and/or transistors. The amount the signal is increased is based on the wattage of the amp and how large of a speaker you are trying to vibrate. The newly juiced up signal is now translated back into vibrations and emitted as audible sound through the speaker. It's important to know how much a speaker can take. If the signal output is too high for a given speaker, it can literally tear the speaker apart

    What Is a Speech Amplifier:

    Bigaing Teaching Waist Portable Speaker Electronic Megaphones

    Interpersonal communication often suffers without a clear, strong voice. Particularly in group situations, amplifying the voice can enhance learning and information dissemination. Speech amplifiers increase the volume of your voice. Use one of these portable voice amplifiers to reduce communication problems without the inconvenience of lugging around heavy equipment

    Uses

    • Coaches and other group instructors often use speech amplifiers. This is particularly true in outside settings or in large rooms with many students. After a coaching session or class lasting several hours, having to talk loudly or even scream can make the voice hoarse. Depending on the size of the audience, speech amplification is also beneficial for business meetings and sales presentations. Stage performers, cheerleaders and tour guides can also use these lightweight amplifiers. Hearing-impaired individuals sometimes have a problem projecting their voice. The same goes if you have a medical problem that has caused your voice to deteriorate. Individuals who have problems with voice projection or deterioration sometimes use an amplifier around the house, not just in group settings

    Equipment

    • A speech amplifier comes with a main speaker unit, as well as a headset or a neck-tie microphone. Some units also have a small handheld microphone. The amplifier runs on batteries, which are typically rechargeable and come in either AA or AAA sizes. The main unit has a power button, a volume control, a microphone connector and a recharging connector

    Size

    • You can attach the speaker unit to your waist, as the entire amplifier typically weighs only about 1 lb. The size of the main unit varies, but even the larger units are only about 8 inches tall or wide. Thus, compared to the bigger and heavier megaphone, the small size and weight make a voice amplifier convenient for portable use

    Price

    • The price varies by model and retailer. However, at the time of publication, speech amplifiers typically cost between about $100 and $350. More powerful models tend to cost more because they produce more amplification for the voice

    Power

    • At the higher end, voice amplifiers produce about 15 watts of amplification, but some models produce only 5 watts. The typical volume level increase is about 15 to 25 decibels. For maximum power, you can get more than that from some megaphones. For example, the 4-lb. BullHornUSA CM-25R Recordable provides 25 watts of power. However, you have to carry these heavier megaphones with your hand or strap them around your neck. Speech amplifiers are more convenient for portable use if they provide enough power for your personal needs

    Package Included:

    • 1 x Megaphone

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Tony Musarra

Bought this item on

10-31-2011

 
Nice quality
00:00:00 10-31-2011
Nice quality in comparison to other megaphones. My use for this is on a firearms training facility & it is easy to hear even over gunfire.
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Bryan Schapiro

Bought this item on

10-27-2011

 
very good
00:00:00 10-27-2011
This was used first in a camping and it really was very helpful when calling people. Batteries last long and distance is very good.
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Richard Gibbs

Bought this item on

10-24-2011

 
recommend
00:00:00 10-24-2011
I could not find a megaphone at local stores so I decided to purchase online. I didn't want to pay too much and found this one. This one worked just fine. I have not tried siren though. I recommend this.
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Marcelo Burciaga

Bought this item on

10-21-2011

 
Works very well
00:00:00 10-21-2011
Bought this for my Son-In-Laws Birthday. He is still raving about it. Works very well and the price was a value.
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armando conforti

Bought this item on

10-19-2011

 
Would recommend
00:00:00 10-19-2011
Product was shipped immediately, and arrived at least 3 days before they said it would. When Portable Microphone arrived it was in original packaging. Megaphone is extremely loud. and the Siren is even louder. Would recommend to anyone that wants to heard from a great distance.
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Frank Moore

Bought this item on

10-17-2011

 
lightweight
00:00:00 10-17-2011
This mBullhorn Megaphone is lightweight and durable. The price was great. What a wonderful value. It is lightweight and easy to carry and loud enough. Like you do.
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Alberto Santana

Bought this item on

10-14-2011

 
perfect
00:00:00 10-14-2011
Mini Megaphone was perfect! The volume control was nice so we used indoors we could lower it down so it will not be so loud.
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Balla Traore

Bought this item on

10-12-2011

 
highly recommended
00:00:00 10-12-2011
Arrived quickly. So far it works very well. It is very loud! I cannot comment on battery life yet as I haven't drained the batteries yet If you need a good bullhorn so you can be heard at a distance, this Mini Megaphone is highly recommended.
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