Eleven Audio XIAUDIO 'Formula S' High Purity Headphone Amplifier (Open Box) audiophile Material Furukawa Copper with Silver

Material Furukawa Copper with Silver Plated

On the bottom – adds a direct way to reduce the output level to improve sound quality

Premium over-ear headphones with exceptional sound

Crafted with prime materials and high attention to detail

True Wireless by Campfire Audio

Eleven Audio XIAUDIO 'Formula S' High Purity Headphone Amplifier (Open Box) audiophile Material Furukawa Copper with SilverA 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