The Bose DT20V-1.8C-DC AC Adapter is a reliable power supply designed specifically for Bose products. With a connection split of 1:1, this adapter features a 2-contact AC male US connector and a 5.5x2.0mm connector for seamless power delivery. The adapter comes with a 5-foot cord for added convenience and offers an output voltage of 20V, making it compatible with a variety of devices. Designed by Bose, this AC adapter ensures quality and performance for all your power needs.