Description:
1. The power amplifier board imported original chip YD138-E chip, the chip has over-current protection, thermal protection, noise reduction and so on.
2. Wide voltage working range, DC 9-14V, current 2A and above can work properly.
3. Powerful strong, large dynamic range, small cricket cries, big guns, can be a good performance, very small distortion. 8 ohms load is 2 * 8W, 4 ohms load is 2 * 12W.

Applications:
LCD Monitors / TV Projectors
Notebook Computers
Portable Speakers
Portable DVD Players, Game Machines
Cellular Phones/Speaker Phones

Features:
Product Name: Audio amplifier board
Specifications Model: MK145
Work: D Class
Chip Selection: for Yamaha YDA138-E
Recommended Voltage: DC 12V1.5A
Channel Type: Dual Channel
Signal to noise ratio: 92%
Output Power: 8W +8 W (8Ω speaker) 12W +12 W (4Ω speaker)