![enter image description here][1] ![enter image description here][2] ![enter image description here][3] **DESCRIPTION** The Grove - Speaker is a module consist of power amplification and voice outputs. The loudness can be adjusted by the on-board potentiometer. With different input frequency, the loud-speaker generated different tones. Coding the music into arduino, DIY your own music box! **Feature** Volume Adjustable Grove Interface For all Grove users (especially beginners), we provide you guidance PDF documents. Please download and read through Preface - Getting Started and Introduction to Grove before your using of the product. **Documents** Please visit our [wiki][4] page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to ourforum. For more detail, please visit: https://www.seeedstudio.com/item_detail.html?p_id=1445 [1]: /editor/20160711/57836fe595544.png [2]: /editor/20160705/577b8788f10db.jpg [3]: /editor/20160116/56999f838bcfb.jpg [4]: http://www.seeedstudio.com/wiki/Grove_-_Speaker