NanoSound - All-in-one HIFI Audio DAC Board for Raspberry Pi by Nanomesher — Kickstarter

Nanosound DAC 2 – Nanomesher

Ready-to-run Air Monitor & Multimedia Kit for Raspberry Pi by Nanomesher — Kickstarter

NanoSound ONE Raspberry Pi 4 Case with DAC + Remote [Discontinued]

Nanosound DAC 2 – Nanomesher

NEW* NanoSound ONE – Hi-Fi DAC Case for Raspberry Pi – Store – Nanomesher

Nanosound DAC 2 – Nanomesher

The NanoSound ONE Raspberry Pi 4 Case with Hi-Fi DAC

NanoSound - All-in-one HIFI Audio DAC Board for Raspberry Pi by Nanomesher — Kickstarter

Manual Installation of Volumio & NanoSound DAC software (Raspberry Pi DAC)

NanoSound One Case – A Raspberry Pi 4 Aluminium Closure with a Hi-Fi DAC Built-in – Oz Robotics