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WinBridge S278 Portable Loudspeaker Voice Amplifier with Wireless Microphone

¥11,372 ¥14,075

This is a portable multifunctional amplifier, which supports Bluetooth connection to the mobile phone, plug-in TF card to play music, recording, AUX and USB drivers, and the amplifier can work for 12~15 hours on a single charge.
  • The S278UHF amplifier is WinBridge's newest speaker. It has a beautiful design and a wireless microphone to get you out of the wire.
  • This is a portable multifunctional amplifier, which supports Bluetooth connection to the mobile phone, plug in TF card to play music, recording, AUX and USB drivers, and the 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, suitable for groups of up to 70 people, ideal for teachers, yoga instructors, tour guides, etc.
  • It has a Bluetooth function to connect a mobile phone to play music and record. It also supports TF cards. It is a small speaker box.
  • The wireless microphone can be used either as a headset or as a hand-held microphone. You can speak in any way you like.
  • Compact size (4.5 x 1.3 x 3.5 inches) and only 0.44 LB. This portable voice amplifier is very easy to carry.



Product information

  • Output power: peak 15W
  • Input: 5V 500mA or 1A
  • Format support: support MP3 WAV WMA APE FLAC audio files
  • Frequency range: 200Hz-18KHz
  • SNR: ≥ 70dB
  • Product size: 115mm*86mm*35mm
  • Appearance process: ABS
  • Function interface: TF card /U disk jack/Android charging port/microphone/audio input/headphone output
  • TF card playback: support playback TF card MP3 WAV WMA APE FLAC audio files
  • U disk playback: support to play U disk MP3 WAV WMA APE FLAC audio files

What's in the box

  • 1*S278UHF main machine
  • 1* Wireless microphone
  • 1 * USB charging cable
  • 1*3.55mm audio cable
  • 1*Adjustable waistband
  • 1*User manual


Lifetime Warranty

WinBridge products are manufactured under the highest quality standards and craftsmanship. WinBridge provides a Lifetime Limited Warranty on all Voice Amplifiers (Technical Support).

WinBridge Company will repair or replace, free of charge, during the applicable warranty period (1 Year Warranty), any part or finish that proves defective in material and/or workmanship under normal installation, use, and service. If repair or replacement is not practical, WinBridge Company may elect to refund the purchase price in exchange for the return of the product. These are your exclusive remedies.

For Bulk Order Or Wholesale Business, Please Email Us

Customer Reviews

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Ask a Question
  • What is the warranty?

    WinBridge provides one year warranty and lifetime technology support for our all products. Please feel free to contact us after service team at for any questions.

  • When can I receive the order if I place an order?

    It usually only takes 3-5 days

  • How about if there is any defect in my order?

    If our product has defects, we can send you a new product after you shoot a video to confirm it. We have a 30-day return or exchange policy.

  • What service do you offer for wholesale orders?

    We offer door-to-door delivery, duty-free and free shipping service.

  • Where is it ship from?

    It is shipped from the United States

  • How long will it last with full power?

    S278 Built-in lithium-ion battery (2500mAh ) lasts a long time (10~12 hours); Wireless headset microphone lasts 3~5 hours.

  • How Can I send payment?

    We support credit card payment and PayPal payment. For wholesale orders, we also support T/T transfer. It should be noted that we do not accept cheque payment.

  • Is this voice amplifier loud enough for outside?

    Its voice can cover about 65 people

  • Will I have to pay any sales tax?

    Tax is charged by Customs offices in the destination country based on their rules and policies.
     customer is responsible to find out the situation in their country. Shipments from all of our warehouses are delivery duty unpaid. 
    Therefore, If any, these charges must be paid by the customers. Customers take full liability for all return shipment costs, customs
     charges and handling fees should they refuse to accept a parcel due to import duties or taxes. Please note that according to customs
     regulations, WinBridge cannot declare purchased items as a gift or list an amount that is lower than the actual product price.

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