Astell & Kern A&ultima SP4000 Portable High-Resolution Digital Audio Player headphone 2.5mm 2dB Peak output voltage 23Vp-p

2dB Peak output voltage 23Vp-p

or instantly connect it with multiple JBL Auracast-enabled speakers for even bigger sound over more space

providing users the flexibility to swap out cables and accessories

This design enhances both stability and comfort for hours on end

for effective shielding against audio interference between the two circuits

Astell & Kern A&ultima SP4000 Portable High-Resolution Digital Audio Player headphone 2.5mm 2dB Peak output voltage 23Vp-pSP4000 Built on Legacy, Evolving Perfection The A&ultima SP4000 is Astell&Kern's 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 series Astell&Kern's flagship lineup combining cutting edge technology and top tier specifications the SP4000 surpasses the boundaries set by the SP3000, once regarded as the ultimate reference. Built upon