The AC-EX150-BKT Power Supply Unit is a crucial accessory for ensuring continuous and reliable power to your AC-EX150-BKT HDMI Extender kit. With a compact and convenient wall wart design, this power supply unit is easy to install and provides the necessary power to both the transmitter and receiver components. This ensures that your audio signals are transmitted seamlessly without any interruptions. Say goodbye to power outages and signal disruptions with the AC-EX150-BKT Power Supply Unit. Keep your audio system running smoothly with this efficient and dependable power supply unit.