Parameters:
1. Power supply voltage: DC-12V-22V
2. Chip voltage range: DC8V-26V
3. Rated power: 20W + 20W
4. Output Impedance: 4-8 ohm
5. Peak power: 35W + 35W
6. Maximum dynamic current: 4A
7. Quiescent Current: <40mA
8. Shutdown Current: <1uA
9. Gain: 35db
10. Output impedance: about 20Kohm
11. PCB dimensions: 38mm*20mm*2.8mm
12. Pin space: Width: 2.54*12 long 4mm