Violectric HPA V550 Amp/Preamp (Open Box) headphone cables or other USB music source

or other USB music source to eliminate multiple earths which cause noise interference

comfortable and durable

Given that high-resolution lossless streaming is accessible on smartphones and PCs

Impedance: 18Ω±15%(@1kHz)

enhanced ambience

Violectric HPA V550 Amp/Preamp (Open Box) headphone cables or other USB music sourceThe HPA V550 covers most features of the review winner DHA V590 except the D A converter. Pre amplifer Balanced Headphone Amp Remote control (standard) So, HPA V550 covers the analogue functionality, the perfect driving of any dynamic headphone and the outstanding pre amp function. The latest findings from the multiple test winners from Violectric and Niimbus were implemented in the headphone amplifier. All functions can be conveniently controlled