Astell&Kern SP4000 Color:Silver making the Noble Audio sound

making the Noble Audio sound signature available to listeners who want boutique quality without a flagship investment

Performance

and more resolved than the AEON 2 open it succeeds

open-back Transducer type Electrostatic Electrode technology MLER (Multi-Layer-Electrode) Frequency response 7 Hz - 41 kHz Energizer requirement Pro bias (5-pin) Weight 474g (without cable) What Reviewers Say

DRoHS complied

Astell&Kern SP4000 Color:Silver making the Noble Audio soundThe Astell&Kern SP4000 is the A&ultima flagship digital audio player, a three year evolution beyond the SP3000, built around a true Quad DAC implementation using four AK4191EQ digital processors each paired one to one with a single AK4499EX DAC. A 904L stainless steel chassis, full Android OS with Astell&Kern's proprietary ADP bit perfect streaming path, and a 6 inch 2K display make it the most technically ambitious portable music player Astell&Kern