I have for sale an Allo Usbridge in aluminium case with Allo 5v/3a PSU and Emmc card running Volumio. Can also be run with DietPi.
Bought on a whim to compare against my Pi/Boss setup, however you need a USB Dac and the Topping D10 I bought to go with it as a cheap experiment isn't compatible ( due to the Topping drawing too much power via the USB on bootup ) and having thought about it I can't be bothered buying anything else to get it running so I've decided just to sell it on.
Currently setup to work off of 2 x 5v PSU's but easily changed to work from one by adding the jumper back in ( supplied ).
In excellent condition, no original box but will be well packaged.
£70 including next day UK delivery.
Nice review here:
https://youtu.be/f0tMX8EdP4Y