Reviews Voice Loudspeaker

Genius GPRO-M0365 6.5' 300 Watts-Max Super Slim Midrange Car Audio Speaker 4-Ohms

  • TRUE RMS WATTS POWER: Powered audio midrange system delivers an impressive 150 Watts RMS and 300 Watts Max at 4 Ohms (Per Speaker).
  • MOTOR STRUCTURE: Steel Stam Basket Ferrite Y30 1.5" high-temperature CCAW voice coil, combined with a fiber reinforced paper cone and corrugated treated cloth.
  • DUST CAP COVER: Built to protect the voice coil to deliver high quality and loud sound.
  • 6.5" PRO AUDIO MIDRANGE: Loudspeaker for competition SPL or personal use.
  • SPECIFICATIONS: Frequency Response: 135Hz - 8KHz Sensitivity 94 dB Impedance 4 Ohms.
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W WINBRIDGE S388 Wireless Voice Amplifier with Wireless Headset Microphone, 20W Wireless Portable Pa System Rechargeable Bluetooth Loudspeaker Speaker for Teachers, Instructors, etc

  • Powerful voice amplifier The wireless voice amplifier can also be a wireless loudspeaker, 20W power making your voice reach 1500㎡. You can easily pair the speaker and microphone, but please do not point the wireless microphone to the wireless voice amplifier with Bluetooth, otherwise it will produce static sound.
  • Rechargeable PA System with Long Battery Time. This is a rechargeable voice amplifier with a built-in 2500mah battery. After fully charged, The voice amplifier with speaker can play music or amplify voice for 10-15 hours, the wireless microphone headset can last for 5-8 hours, and you can use the speaker while charging.
  • Wireless headset microphone supports. Switch to UHF mode, long press the “M”button (the display shows "U1" flashing, turn on the microphone's on/off button), the voice amplifier and wireless microphone will be paired automatically, so there is no burden to use it, when there is a howling sound, please press "-" to turn down the volume and move away from the speaker to avoid this situation..
  • Bluetooth Voice Speaker. With Bluetooth, you can play music from any Bluetooth ....
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NORWII S358 Portable 4000mAH Rechargeable Voice Amplifier with Wired Microphone Headset & Waistband, Personal Microphone and Speaker for Teachers Tour Guides ect

  • Small Size and Big Volume -- ①It is a Professional Voice Amplifier with 3 inches powerful magnetic loudspeaker. Compact size (4.9 x 1.9 x 3.6 inches) and light weight (0.56 lb). ②The max 10 watts sound can cover about 10000 sq.ft (1000 ㎡). More advanced sound sensitivity and more sound penetration. The sound of S358 microphone amplifier is clear, crisp, no noise and no distortion..
  • Long Battery Life-- ①Double power, it provides 36-40 hours keep using. ②This mini voice speaker is charging with type-C port..
  • Comfortable and Portable -- ①Portable loudspeaker comes with an adjustable band that you can use it to tie around your waist or hang on your neck. ②Teacher speaker amplifier has a clip on the back, you can clip on a belt or the pant waistband. ③The wired headset microphone is adjustable. ④Fashionable design that is suitable for teaching, trainer, singer, coach, tour guide, shopping mall, presentation, Yoga, outdoor speech and etc..
  • Upgraded Microphone Speaker - This speaker amplifier can work as an MP3 audio player, can be used on computers or smartphones. S358 is equipped with a mainstream USB-C charging interface. The package is including a USB Type A to USB Type C charging cable, it can be charged with 5V charger or computer USB p....
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Marway Portable Voice Amplifier for Teachers with Microphone Headset,4500mAh Rechargeable Personal Speaker for Training,Tour Guide,Fitness,Classroom etc Christmas Teacher's Day Gifts (Rose Gold)

  • 【Powerful Sound 】Compact size voice amplifier with 8W output is clear and noiseless, enough to cover a large room of 30-100 people. Amplifies your voice and saves your throat..
  • 【Easy to Carry】This portable loudspeaker is small and light, you can use the detachable clip to fix it on your pocket or belt, or you can tie it around your neck or hang it on a belt around your waist..
  • 【Rechargeable Voice Amplifier】The voice amplifier has a large built-in 4500mAh lithium battery, which makes the microphone speaker takes 4-6 hours to fully charge, but can play up to 20 hours of amplification time and up to 13 hours of music playback time..
  • 【Lightweight power pack】. Voice Amplifier This microphone and speaker set is a portable public address system. You can take it to multiple places, such as classrooms, bingo calls and outdoors..
  • 【Support music playback】 The voice amplifier can play TF (Micro SD card) card and U disk. You can repeat singles, loop all music, and switch songs..
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Bass Rockers BRM4v2 4 Inch Metal Basket 100 RMS Mid-Range Coaxial Circle Speakers Car Audio 8 Ohms 225 W Max Pair

  • ...accurately it converts the frequencies of an input signal. Our powerful speakers have a frequency range between 174Hz-16kHz and a human ear can hear the frequency between 20Hz-20k Hz which is highly suitable..
  • SPEAKERS KAPTON COIL: The larger you make the voice coil, the more power it can handle. The speaker coil or loudspeaker voice coil is a coil of wire attached to the apex of a loudspeaker cone. Our copper-clad aluminum wire (CCAW) has a size of 3/8 inch which is large enough for good quality..
  • MIDRANGE SPEAKER 4 INCH POWER: Best car midrange speakers 4 inches that have a maximum power of 225 w and RMS power of 100 w. Our 4 inch car speaker is one of the most powerful speakers on the market and this is the best car midrange speaker that money can buy..
  • IMPEDENCE: Our best speaker pods have a resistance of 8-ohms. Ohm is a kind of unit of measure, which measures impedance. Impedance is one of the most important components of a speaker because it acts as a resistor to prevent electrical current from flowing through it..
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Voice Amplifier Microphone Headset Rechargeable Portable PA System LED Display Waistband,TF Card/AUX,20W Personal Speaker for Teachers, Classroom, Tour Guides, Meetings

  • 【Microphone Amplifier】The voice of the voice amplifier microphone is clear, noise-free and distortion-free. You can easily show it to a group of 50 and hear it clearly. If you need to talk for a long time or speak loudly, this unique blue megaphone speaker will be your best choice..
  • 【Portable Design】Microphone headset with speaker can free your hands and move around during amplifiering. The loudspeaker will be perfect for teacher, coaching, tours, conferences, speech est..
  • 【Super long standby】 It takes 5-7 hours to fully charge the power voice amplifier, and the usage time is as long as 8-15 hours, avoiding multiple charging. A voice amplifier speaker helps you deliver important speeches..
  • 【Mini Bluetooth Speaker】Portable Microphone with Speaker is not only an amplifier, but also a portable pa system, you can stream music from any type of bluetooth mobile device up to 33 feet (10 meters)..
  • 【Portable Music Player】The personal voice amplifier mi supports TF card and AUX line input to play music, easily turning this bluetooth voice amplifier into a music speaker. You can also use it as a mini karaoke system and listen to music while inputting a microphone..
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W WINBRIDGE Voice Amplifier Portable Microphone and Speaker Loudspeaker Personal Voice Amplifier Clip On for Teacher, Elderly,Coaches, Training, Presentation, Tour Guide

  • Portable voice amplifier is a life saver on your voice and throat!Speaker gives off a clear and crisp sound,no noise and no distortion!You could easily make a presentation to a group of 50 people and be heard clearly..
  • Microphone and speaker compact size (7.087 x 5.669 x 2.205 inches) and light weight (11.36 ounces). Voice Amplification System comes with an adjustable band you can use around your waist but also has a clip on the back of the unit you can clip on a belt or pant waistband..
  • Portable Loudspeaker built in rechargeable lithium polymer battery. Continously working time is up to 6 to 8 hours. You can use USB cable included to charge this mini voice amplifier. Only needs 3~5 hours to fully charge it..
  • Voice amplifier supports MP3 audio playing and TF (Micro SD) card playing & USB flash driver playing. Can repeat single tune, loop all music and switch songs..
  • Portable speaker provides a sound system for meeting,teaching, training,outdoor activities like wedding,Yoga classroom even for tourist guide,elder and whisper etc.
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PRV AUDIO RK10MR1000X Original Replacement Cone Kit for 10MR1000X Loudspeaker

  • Original Recone Kit for 10MR1000X Loudspeaker.
  • Built on Glass Fiber Material with Copper Voice Coil wire.
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Doppler Dub

  • Detect the blood stream status of arterial/venous by 8.0MHz.
  • Detect the blood flow average velocity and the result of finger/toes and part of vein recovering after operation.
  • 2.4'' color LCD screen instantly diaplay velocity of average blood stream and waveform.
  • high quality loudspeaker inside,output blood stream voice is clear and resonant..
  • high power capacity inside and satisfy long time working with rechargeable battery.
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