The audio system generates heat (even at low volume) due to circuit processing, and the area around the heat radiation holes on the top or back can become hot. The System may become even hotter depending on usage.
To make sure heat is radiated efficiently, check the following:
- Don't put the unit in a rack
- Don't close or cover the heat radiation holes on the back or side of the unit
- Keep the unit at least 10 cm away from any wall or other objects