- Material: Electrical components
- Color: See pictures
- Product Type: XH-M531
- Chip Type: Class D YDA138-E digital chip
- Number of cores: Dual-core
- Input voltage: DC12-15V
- Output Power: 20W * 2
- Frequency range: 20HZ-60Khz
- Efficiency: greater than 88%
- Input impedance: 10k
- Output Impedance: 4-8 Europe
- Number of Channels: two-channel left and right
- Indicator: Green
- Audio: 3.5 audio port
- Size: See the picture
- 1Pc xXH-M531 Yamaha Digital HIFI Class D Audio Amplifier Board