The PA130B Power Adapter is an AC power adapter for Yamaha’s entry-level portable keyboards, lighted guitars, digital drums, and their Silent Violin series. It replaces the PA3C and is environmentally friendly by reducing the power when the musical instrument is turned off-saving you money. Don’t chance losing the hit song you just wrote. Plug in the PA130B power adapter and eliminate the constant need for fresh batteries. Has good wire which increases its durability and strength unlike other adaptors which has low quality wires and less durability.