Raspberry Pi

https://www.raspberrypi.org/magpi/raspberry-pi-3-specs-benchmarks/

Volumio

https://volumio.org/

Hybrid Tube Amp

https://volumio.org/product/pi2design-503hta-hybrid-tube-amp/

Arduino

https://www.arduino.cc/

Kodi

https://kodi.tv/

Plex

https://www.plex.tv/

Music intro: "Licht Vektoren" by Alex Saltz

Music outro: "Distances" by Alex Saltz