Eleven Audio XIAUDIO 'Formula S' High Purity Headphone Amplifier (Open Box) iem cables but the metal luster is

but the metal luster is still great

With years of experience and expertise in precision design and metal crafting technology

Signal to Noise ratio (SNR) @ +7 dBu (Lo-Power): 119 dB (AES17)

High Quality Litz Cable

just like exquisite handicrafts and beautiful

Eleven Audio XIAUDIO 'Formula S' High Purity Headphone Amplifier (Open Box) iem cables but the metal luster isA newcomer shows the world the true sound of music. Solid state dual mono amplifiers deliver stunning speed and clarity, with hard hitting bass and drums and beautifully smooth tube like decay to cymbals and string instruments, on up beyond perception, the Formula S amp is tuned for the highest resolution music and headphones. Impeccable balance, smooth and clear to the source, excellent bass definition, simply put the dedicated headphone amp every