The FLEPCHER's PS9024 is a power supply unit that delivers a 24V DC output voltage with a maximum of 4A for rack-mounted PA system equipment. This public address system also serves as a changeover unit for equipment with 24V DC inputs during a power loss, ensuring a steady and uninterrupted power supply even when unforeseen occurrences occur. The PS 9024 transforms any AC power source to a DC power output for any equipment with a 24V DC input, such as a volume controller, when used in a PA system. It takes up only 1U of rack space per unit.