Don't gamble with your musical instrument. Use only a genuine Yamaha power adapter. The PA-13 adapter replaces the PA-3C and is environmentally friendly by reducing the power when the musical instrument is turned off, saving you money! So don't get caught losing that #1hit song you just wrote. Plug it in! The PA-13 is designed to eliminate your constant need for fresh batteries by using efficient AC operation.Features: Energy efficient Compact designSpecifications: Input: AC voltage 12V, 6 Hz Output: DC12V 1.A Weight: 13g Cable length 8' 4" (2.54 Meters)Compatibility: Recommended for PSR-E43 and below, YPT-4 and below, EZ-2 and EZ-AG. Also compatible with past models recommending PA-3C and the following Silent Stringed Instruments: SV-12, SVC-5, SVC-1, SVC-2 and SVB-1.