https://youtu.be/Xdk0_sUksqE?si=u7tFH4IbdfI8hsIv
https://youtu.be/SG_Zc_bjODc?si=jgIPZMgJt9oEyk4Z
X350.8 vs Essence. As close to what you’re looking for as you can probably get.
The core sound signature of Pass Labs is the same throughout the range. As you go up the line you get better power supplies, lower noise and more refined sound.