> And when I needed to increase the clock speed to play higher sample rates, this caused I/O errors with the SD card that I never managed to solve. Presumably

> And when I needed to increase the clock speed to play higher sample rates, this caused I/O errors with the SD card that I never managed to solve. Presumably if a RP2040 could almost do it, a RP2350 could do it no problem. Unless you were limited by PWM speed. Even then you might be able to accept less resolution and filter and dither.