Feliks Audio Envy Fit_Universal HD660S2's bass improves both in

HD660S2's bass improves both in quantity

iBasso's own DX260 plus HiBy Music's RS6

Lotoo built Mjolnir to function perfectly as a DAC too

Make the headphone that made Stereophile's shortlist of Headphone Product of the Year 2020 yours today

Feliks Audio Envy Fit_Universal HD660S2's bass improves both inFor OTL tube manufacturers Feliks Audio, the route to the top of Head Fi's hill ran contrarian with massive output transformers and still proved to be the Envy of everyone. A flagship powerhouse amplifier, its design centered around famed 300B tubes. While the brand's OTL amplifiers had proven to be delicate, pure and low powered affairs, there is nothing subtle about the construction of Envy. Feliks set out to build the ultimate tube amplifier