1998–2013 Harley-Davidson Factory-Radio Amplifier Tuning

Model TM400X4ad

Amplifier tuning guide for a TM400X4ad with the Harman-Kardon factory radio.

TM400X4ad Documentation

Document typeAmplifier Tuning Guide

Source: Amplifier Tuning Guide, Rockford Fosgate. Wording and values are retained from the supplier document.