Use it to connect your keyboard to your computer.

Use it to connect your iPod/MP3 player or audio device to your keyboard and hear your music through the keyboard speakers or take a sample.

Use it to keep your iPod/MP3 player in place when it is sitting on top of your keyboard.

The Power Adapter from Roland is a replacement external power supply with cord that originally shipped with various keyboards, digital recording stations, and groove boxes, including the F-90, FP-3, BR-8, and MC307

Suitable for 9.5V Keyboards, and recommended for Casio CTK-240 and LK-120 Keyboards

Roland JUNO-DS61Synthesizer