Blogs

Car audio DSP tuning, explained.

Every Flat Liner Tuning guide lives here. Start with REW, auto EQ, measurements, and a simpler workflow for getting your DSP to sound right.

Flat Liner Tuning EQ screen comparing measured, target, and predicted response curves

Tuning guide · Sep 13, 2026

What is auto EQ? And how Flat Liner Tuning helps

Auto EQ is not a magic button. What the calculation actually does, where REW’s tool falls short in a car, and how Flat Liner Tuning turns a measurement into filters you can load.

Room EQ Wizard frequency response graph with multiple speaker measurements

Beginner guide · Aug 23, 2026

What is REW? Car audio DSP tuning for beginners

First DSP install? “Just use REW”. But where do you start? What REW does, why manual tuning is tedious, and a simpler workflow.