Breadboard / Amplifier Board

1. Power supply: DC dual power supply u00b1 58 u00b1 70v2. Rated output power: 500w (u00b1 65v power supply, 4 ohm load, 10% deformation)3. Efficiency: greater than 90%4. S / N ratio: 90db5. Total harmonic distortion:380w (+/- 65 power 4 ohm speaker,...