Some of the screws are missing.

This Mean Well MW LRS-350-24 24V 14.6A Regulated Switching Power Supply is a reliable and efficient choice for your pro audio equipment needs. The brand is Mean Well and it is compatible with universal brands. The power supply is made in China and is suitable for speaker drivers and horns.

With its regulated switching power supply, this Mean Well product ensures that your equipment is always powered at the desired level. It is a great addition to any musician or audio professional's gear collection.