Neo Top — Vag Idex

If "vag" is a typo for "DAC" (Digital-to-Analog Converter), you may be looking for the iFi NEO iDSD : A high-end headphone amp and DAC [6]. Top Features

Provides official-level access for reading/clearing codes, viewing live data, and performing advanced adaptations. Programming & Flashing: vag idex neo top