USB Powered Audio Amplifier LM386 + Tone Control

USB Powered Audio Power Amplifier is a multimedia speakers external used for PC's or Laptop, has using single chip Amplifier that based on LM386 as a part for amplifying signal audio from PC or Laptop. The IC LM386 is a power amplifier designed for low voltage class AB amplifier,wide range voltage input, supply voltage minimum 3V and maximum 12VDC. So it can be used on a USB Voltage 5VDC