Astell&Kern SP4000 Color:Black which is 'to provide the

which is 'to provide the best value that no one can imitate while using the most innovative and uncompromising design and craftsmanship'

Unbalance = 20kOhm(RCA)

Headphone termination: 2x4 pin mini-XLR

Technically

Astell&Kern SP4000 Color:Black which is 'to provide theBuilt on Legacy, Evolving Perfection The A&ultima SP4000 is Astell&Kerns newest flagship digital audio player, the result of three years of relentless research and innovation following the development of the SP3000. As part of the A&ultima seriesAstell&Kerns flagship lineup combining cutting edge technology and top tier specificationsthe SP4000 surpasses the boundaries set by the SP3000, once regarded as the ultimate reference. Built upon an advanced