This 18V fixed-voltage power supply is designed to meet the exact power specifications of your Alesis MultiMix 8 USB FX (18V, standard tip) Mixer. Please note: this adapter is compatible with the Alesis MultiMix 8 USB FX Mixer that requires 18V and a standard barrel tip. It is NOT compatible with the 3-pin version. Please verify the power input on your mixer before purchasing.Specifications: - Output voltage: 18V - Maximum output amperage suitable for your device - Output tip with correct size and specification - Thoroughly tested for reliability - 2-pin plug for use with US (Type A) wall sockets - Input voltage: 100-120V AC, 50/60Hz This replacement power supply for Alesis MultiMix 8 USB FX (18V, standard tip) Mixer is: - Compliant with all safety standards, featuring overvoltage, overcurrent, and short-circuit protection to safeguard your device - Energy Star Level 6 approved for efficient power delivery - RoHS and CE certified - Backed by a 2-year warranty: if the power adapter fails within 2 years of purchase, it will be replaced without issue