Astell&Kern SP4000 $4,290 Review

October 20, 2025 Comments Off on Astell&Kern SP4000 $4,290 Review

https://www.headfonia.com/astell-kern-sp4000-review/

If streaming isn’t your thing, you can always use the 256 GB of internal NAND memory for storing digital audio libraries. In addition to this built-in storage, the SP4000 also supports external microSD cards with a capacity of up to 1.5 TB

Honestly though, it’s really easy and intuitive to work with the software and the menu structure and hidden menus are logic and what we’re used to from Android devices.

Of course the SP4000 sports many different features that make your audio listening life easier, or let you tune the sound and performance. Think Dac Filters (6), EQ, High Driving Mode, DAR, Gapless, Replay Gain, RTI LED, Crossfeed, Speaker effects, Roon Ready, External DAC use, DAC use, BT (aptX™ Adaptive and LDAC™), BT Sink, XLR Settings, AK File Drop, Airplay, Qobuz Connect, S/PDIF Conversion, and so much more.

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