diff --git a/README.md b/README.md
index b3f25bb..82e1b15 100644
--- a/README.md
+++ b/README.md
@@ -25,4 +25,9 @@ Create a DIY speaker.
 ### Guides
  - [Boombeastic](https://www.balena.io/blog/the-making-of-boombeastic/)
  - [Tizonia](https://docs.tizonia.org/overview/README.html#debian-ubuntu-raspbian)
- - [Mopidy](https://mopidy.com) (alternative for tizonia, probably bad)
\ No newline at end of file
+ - [Mopidy](https://mopidy.com) (alternative for tizonia, probably bad)
+ - [Adafruit 20W Amplifier](https://learn.adafruit.com/adafruit-20w-stereo-audio-amplifier-class-d-max9744/assembly)
+
+# BOM Small 20W version
+ - [20W Stero AMP board](https://www.amazon.de/-/en/Adafruit-Amplifier-Short-Circuit-Protection-Microcontroller/dp/B07L6B671Y/ref=sr_1_3?dchild=1&keywords=max9744+Stereoverst%C3%A4rker%2C+20+W%2C+Klasse+D&qid=1634330107&sr=8-3)
+ - 2x [20W Speaker Cone (midrange)](https://www.amazon.de/-/en/Visaton-FR-10-HM-black/dp/B003A63NLE/ref=sr_1_12?dchild=1&keywords=mittelt%C3%B6ner+lautsprecher&qid=1634330361&sr=8-12)