Poweramp+equalizer+presets

The "best" doesn't exist objectively because your headphones, your ear canal shape, and your hearing damage (we all have some) are unique.

: Great for quick adjustments to specific frequency ranges. poweramp+equalizer+presets

While the stock presets are a great starting point, the community has developed "best-in-class" settings for specific hardware. your ear canal shape

You don't need to invent the wheel. The Poweramp community has created thousands of presets for specific headphone models (Sony WH-1000XM4, Apple AirPods Max, Sennheiser HD600). Apple AirPods Max