This is a 15V fixed-voltage power supply adapter designed to meet the exact power specifications of your Native Instruments Traktor Kontrol S4 MK2 DJ controller. Specifications: - Output voltage: 15V - Maximum output amperage suitable for your device - Correct output tip size and specification, thoroughly tested - 2-pin plug compatible with Type C (EU) wall sockets - Input voltage: AC 100-240V, 50/60Hz This replacement power supply for the Native Instruments Traktor Kontrol S4 MK2 DJ controller is: - Compliant with all applicable safety standards - Equipped with overvoltage, overcurrent, and short-circuit protection to help safeguard your device - RoHS and CE certified - Energy Star Level 6 approved for improved energy efficiency - Backed by a 2-year warranty: if the unit fails within 2 years of purchase, it will be replaced