The PSD series offers a wide range of versatile switching power supplies. They are primarily used as power supplies for extension units, interface boxes, or other sound system expansion units, but can be used for all types of applications requiring 12 V DC or 24 V DC, with various current ratings.

Two different construction options are available: standard ABS enclosures suitable for standard applications and industrial-design DIN rail-mount versions, suitable for use in all types of applications, ranging from small and simple applications to industrial environments and hazardous locations.