diff --git a/H2-Enclosure.md b/H2-Enclosure.md
index 14bc331..44c4762 100644
--- a/H2-Enclosure.md
+++ b/H2-Enclosure.md
@@ -16,4 +16,6 @@ Check the `assembly.pdf` from the [case files](https://www.thingiverse.com/thing
 ## Speaker
 
 You can easily place a small 8ohm 1.5W (14x21x5.5 mm) speaker inside. There is no holes in the case but it seems that the sound quality actually improves with the case:
-https://www.youtube.com/watch?v=XkaGV9muvbg
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+https://www.youtube.com/watch?v=XkaGV9muvbg
+
+Check more details about the speaker wiring [here](Internal-speaker).
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