FIR Audio IEM Vac headphone 3.5mm ESS sabre reference DAC

ESS sabre reference DAC

It could even serve as simple headphone amp for mobile use

stereo playback is switched to monaural playback * 1

Final Audio l has taken some core concepts of our Heaven IV earphone

Ace of XBass

FIR Audio IEM Vac headphone 3.5mm ESS sabre reference DACIEM Vac Maintain your personal In Ear Monitors with the FiR Audio IEM Vac. Keeping your in ears clean will greatly prolong the life of any earphones. Remove hard to reach earwax and debris from your earphones to keep them sounding and working in pristine condition. This IEM Vac is designed for personal use whether youre touring on the road or listening at home. It features a large power button, a stainless steel hose connector, and a removable hose