High Quality - Hqplayer Equalizer

In HQPlayer, the signal chain looks like this:

IIR filters change the phase response. Usually, humans cannot hear phase distortion at low Q values, but purists notice.

However, one of its most powerful, most misunderstood, and most underexplored features is the .

This article is a deep dive into the HQPlayer equalizer. We will explore what it is, how it differs from standard EQs, the difference between parametric EQ (PEQ) and convolution (FIR), how to set it up for headphones and speakers, and advanced tips for the HQPlayer power user.