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4.87 out of 5
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  • 21/01/2018

    A speaker used in many uses to amplify the voice of the phone or in video recordings and others

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  • 16/02/2018

    It will assembled later. I hope it will works. :)

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  • 17/10/2017

    ses gucu cok iyi. fiyatini cok uygun. kesinlikle kacirmayin derim

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  • 05/06/2021

    Muy buena potencia de sonido (para la aplicación que no requiere una alta potencia de sonido)

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  • 25/11/2020

    Good quality

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  • 16/02/2021

    seems ok

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  • 12/10/2016

    This is a functional amp that runs on as low as 9v (but better on 12v). It heats up fast (despite comments I read here that claimed it ran cool). The included heat sink is just a piece of vynil or fabric. It can generate a nice boost, so I'll give it 5 stars. BUT note that from the pictures there is just no way to understand how SMALL this kit is. Also, the PCB goes right to the edge so attaching helping hands is difficult. The instructions were only in Chinese but at least component values are universal. I had to change soldering iron tips to my needle point one in order to solder this. And you'll be using a magnifying lens; it is a tiny circuit.

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  • 08/08/2019

    The key word here is cheap. Cheaply-made single sided (and therefore non-plated through) PCB, cheap electrolytic capacitors, obsolete IC cheap non-polarized connectors. No instructions, BOM & schematic mostly in Chinese. Circuit layout is as tight as possible, no mounting holes, resistors on 0.5" centers. Goes together ok. All parts included (I added heatsink). Seems to work, although I have not yet gotten satisfactory sound, I am still hopeful. I wanted a minimal amplifier, and this is it.

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  • 04/09/2017

    worked perfectly after construction. comes with instruction sheet showing parts list, pcb layout and schematic ! this is a hugh plus if you want to do any mods to the circuit since most diy kits from china dont come with spec sheet. super good deal for the cost !

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  • 17/07/2020

    Nice little kit. Easy to put together, decent sound. The TDA2030A has plenty of clean power.

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