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4.96 out of 5
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  • 20/04/2017

    Definitely loudest of small active buzzers which came in my hands until now. It have several activation possibilities - connecting to positive voltage rail, to ground or to RX PWM channel signal. From my current experience it may be heard more than 30 meters away so it is very useful of as alarm signal for small RC models such as quadcopters or cars to help find them in grass or other hidden places. At model configuration sound hole must be muted with something to avoid becoming deaf. Take in account that this buzzer will need separate +5V power, so 3 wires instead of usual two. On other side it will allow easier connection of separate battery for alarm buzzer. It is slightly larger than usual round active 5V buzzers and have naked circuit at back side. Is recommended to put it in heat sleeve and plan it location carefully to avoid space issues. It should be noted that in some occasions buzzer membrane may stuck and buzzer will become less loud - it will sound at usual small active buzzer loudness. This may happen even if buzzer is not moving.

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  • 23/11/2017

    This is the second purchase of this product. The litter is loud! Good quality! I recommend to all!

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  • 07/05/2020

    this is a good product.

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  • 24/02/2018

    Very loud beeper, you can hear very well. But already the second at me ceases to squeak (wheeze, hiss) after some time of use. This is the third beeper ... With the first two problems, they ceased to squeak loudly.

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  • 23/10/2017

    Пищалка громкая, у друзей слышал, посоветовали эту брать так как она с усилением. Вещь жесткая, просто улет!

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  • 19/08/2017

    Well-known manufacturer. A very good quality. Different connection schemes (see the product description) Not yet installed it. Always needed on the quad! It's very loud! I recommend for purchase! Известный производитель. Очень хорошее качество. Разные схемы подключения ( смотри в описании продукта ) Пока не устанавливал её. Всегда нужна на кваде! Она очень громкая! Рекомендую для покупки!

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  • 15/01/2021

    Good!

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  • 24/06/2018

    really loud sound. easy to find ur drone. i recommend this for all droners.

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  • 23/05/2018

    Great buzzer.

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  • 28/02/2017

    Prezzo basso e ottima fattura

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