The Yamaha SPX900 is a professional multi-effector with an LCD display and input adjustment functions. Power-on confirmed. Please understand that this is a used item, so please purchase with the understanding that it is a used product. No returns. - Model: SPX900 - Power switch: ON/OFF - Input adjustment: With input volume - Display: LCD display - Connection terminals: With input/output terminals - Memory function: Equipped with memory function Due to being precision equipment, returns or cancellations after purchase will not be accepted. Shipping is free, but we cannot ship to Okinawa and remote islands.