TR-727: Recommended Power Supply May 24, 2023 03:39 Updated Follow The following are compatible power supplies for the TR-727: Roland ACG-120 Roland PSB-4U Related articles TR-707: Recommended Power Supply TR-707: Technical Specifications BOSS PSA adaptor: Specification Differences by Model TR-707, TR-727: Initializing the Unit - Restoring the Factory Settings TR-808: Technical Specifications