T-Power 12V Ac Dc adapter fit Compatible with Roland PSB-4U TR-707 DRUM MACHINE AC DC Adapter POWER CHARGER SUPPLY CORD T-Power Made with the highest quality , T-Powe ac adapters are made with the highest quality materials tested by manufacturer to match and/or exceed specifications of OEM products. Brand-new Input Voltage Range: AC 100V - 240V Compatible Models: Roland PSB-4U TR-707 DRUM MACHINE