AP50H HiFi 2.0 Stereo Bluetooth Amplifier Board

Features:
1. Audio source input: Bluetooth+AUX+U disk+USB sound card
2. Adapter power supply: Above DC5-27V/2A
3. Output power: 50Wx2
4. Adapted speaker: 10-200W, 4/8 ohm
5. Number of channels: Left and right dual channels (stereo)
6. Bluetooth version: 5.0
7. Transmission distance: More than 15 meters, no obstruction
8. Chip: TPA3116D2 (anti-interference efficient class D power amplifier)
9. Output mode: LC filter output, high-definition sound quality
10. Volume adjustment: Encoder volume adjustment, smooth feel, one-key switch
11. Heat dissipation method: Pure aluminum heat sink + shell heat dissipation, large heat dissipation area, ensuring high power and high performance operation
12. Protection mechanism: Anti-static, anti-reverse power supply, short circuit, overheating, overvoltage, undervoltage, DC protection
13. Power supply voltage:
- 12V: 8 ohm/10Wx2, 4 ohm/20Wx2
- 18V: 8 ohms/20Wx2, 4 ohms/40Wx2
- 21V: 8 ohms/30Wx2, 4 ohms/50Wx2
14. Size: About 6x6x1.6 cm
15. Weight: About 94g