A1-888 4281/4302 Super Class AB High Power 800W+800W Dual Channel HiFi Power Amplifier Board

Description:
- Improved sound quality, optimized circuit, decoupled capacitor, upgraded signal front-end processing chip, upgraded bridge circuit for easier lead installation, significantly improved effect by 30%. Also optimized speaker protection circuit with added output short circuit protection function to better protect your expensive speaker, resulting in more stable amplifier board quality.

Key Features:
- Upgraded chip processing significantly improves sound quality.
- Upgraded the midpoint voltage to zero MV for greater stability.
- Upgraded the output short-circuit protection function.
- Upgraded bridge leadable installation switch.
- Upgraded and increased decoupling capacitors.

Specification:
- Model: A1-888
- Channel type: dual channel output/bridging mono
- Main power supply voltage: dual DC±50-88V (suitable for 35V-62V transformers)
- Speaker protection power supply: AC 12 - 18V (independent winding)
- Output power: 8ohms/400W+400W; 4ohms/800W+800W
- Bridging mono power: 8ohms 1800W
- Distortion: 0.001%
- Frequency response: 10Hz - 180kHz
- Speaker impedance: 4 - 8ohms
- Power amplifier type: super class AB/class A deviation
- Product size: 24.5 x 11.6 x 8.3cm

Package Included:
- 1 x Power Amplifier Board