You can check your Headphones (Kopfhörer) or your speakers (Lautsprecher). This ist thought of being useful for 2.0 or 2.1.
You can find other Sound Tests in my channel or my playlist.
My 2.1 Sound System:
My Bluetooth Speaker:
High-Quality Sound Tests:
All amazon links are affiliate links. You can support me by buying something using the links. The price stays the same. Thanks!