Compatibility： Alesis Recital 88-Key Digital Piano w/ Full-Sized Keys. Alesis Recital Pro 88-key Hammer-action Digital Piano. Alesis Recital 88-Key Beginner Digital Piano w/ Full-Size Semi-Weighted Keys. Alesis Recital All White 88-Key Digital Keyboard Piano w/Full-Size Keys. Alesis Recital 61-Key Digital Piano Electric Keyboard with Full-Sized Keys Built-In Speak. Alesis Coda Full Featured 88-Key Digital Piano Keyboard. Alesis Cadenza 88-KEY Hammer-action Digital Piano. Alesis Melody 61 Key Digital Piano Electric Keyboard. Alesis 7-10-1215 710-1215 7-101215 7101215. Alesis io14 io26 Firewire MIDI Digital Audio Recording Interface. Alesis IO Dock II Universal Pro Audio Dock. Looking for a reliable power supply adapter for your Piano Keyboard? Look no further! Our 12V 2A AC/DC power supply adapter is compatible with a wide range of Piano Keyboards that require 12V 1A~2A input. With a cable length of 6ft and plug size of 5.5mm x 2.1mm / 2.5mm, this adapter ensures a stable and safe power source for your device. Note: Please double-check compatibility before purchase to avoid damaging your device. Key Features: Input: 110-240V 50/60Hz, Output: 12V 2A 24W Plug Polarity: Inner positive (+) Outer negative (-) Supports power jacks of 5.52.1mm or 5.52.5mm (Downward compatible 0.5A~2A 500mA~2000mA; Supports up to 12V 24W)