These units are used and in working condition. There are some cosmetic imperfections. See pictures for more details

The Crown XLS 402 is a 2-channel, 300W rackmountable power amplifier that can handle 400W per channel at 4 ohms and 300W per channel at 8 ohms. It’s part of the XLS Series, which is a line of four models in a 2U chassis. The XLS 402 is designed to be reliable and affordable, and is suitable for demanding audio applications.

Crown XLS 402 Power Amp Features: