Used only a few times. It was stored away without being used much, but the box is dirty. I think the main unit is in good condition, but please judge from the photos. *Instruction manual is not included. BOSS DI-1 direct box with auto power function and attenuation switch. - Model: DI-1 - Output terminals: Balanced output (XLR) - Input terminals: Input (1/4 inch jack) / Parallel output (1/4 inch jack) / Unbalanced output (1/4 inch jack) - Functions: Auto power function, Attenuation switch (-20dB, -40dB), Lift switch - Country of manufacture: Japan Thank you for viewing.