The tpa3255 power amplifier is very good. TPA3255 is a high-power Class D digital power amplifier chip, with sufficient power reserve, high carrier frequency, sound performance more than traditional analog power amplifier, bass sound more powerful.
The power supply part is well configured, and the main power supply power conversion part adopts ST series resonant half-bridge driver chip L6599AD, which has high reliability in overall protection, LLC closed-loop resonant half-bridge circuit architecture, low internal resistance of the power supply, strong overload capability, stable voltage in the instantaneous large dynamic low-frequency output, and excellent bass sound.