This is a high-quality compatible adapter for Roland Ep-70, E-15, Ep-7mkII, EM-303, MV-30, JX-305, FA-66, PM-16, PR-100/300, E-09, EM-505, FA-101, Roland GR-1, GR-55, GR-55GK, GR-55S, Guitar Synth, MC-303, MC-505, EM-303, ACI-120, R-70, powerI-120, TD-8/9, UA-5/100/101/700, and more. Input: 100-240V 50/60Hz; Output: 9V 2A (Compatible with models that support 9V 1A/500mA/200mA). Connector: Round, Outer Diameter 5.5mm, Inner Diameter 2.1mm. *Please carefully check the adapter specifications (voltage, current), plug size (outer and inner diameters), and polarity before purchasing. Made with Japanese-made electronic components, it includes a ferrite core to suppress noise, meets overcurrent and overvoltage requirements, and ensures security. The outer cover is made of ABS+PC composite material for improved heat dissipation and excellent power cooling. Its wide voltage input range allows it to be used in all countries worldwide. Its compact size, lightweight design, low noise, stable operation, and energy-saving features ensure efficient power supply to devices at a lower cost. We offer a one-year warranty and a refund or replacement for any product defects within one year of purchase. A glasses cable is also included.