SoundBar
thingiverse
Here is a simple amplifier circuit designed to fit within the dimensions of a Leagoo Lead 7 case. Test it and enjoy. These steps detail how I assembled the device: I used a 3D printer to produce PLA components at a resolution of .3 layers, using a temperature setting of 210 degrees with no supporting structures.
Download Model from thingiverse
With this file you will be able to print SoundBar with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on SoundBar.