The DI400P is a palm-sized, robust metal-chassis passive DI box featuring a Behringer OT-2 transformer. It optimizes impedance and signal levels between instruments and mixers/power amplifiers, supporting speaker outputs up to 3,000W. It includes a ground lift switch and Thru/Out terminals for connecting to stage amplifiers. Its passive design, requiring no external power supply, ensures simple and reliable operation. • A compact yet robust passive DI box with a metal chassis. • Features a Behringer OT-2 transformer for extremely flat frequency response. • Optimizes impedance and signal levels between instruments and mixers/power amplifiers. • Supports speaker output up to 3,000W. • Equipped with a ground lift switch to prevent ground loops. • Includes Thru/Out terminals for connecting to amplifiers on stage. • Passive design, no power supply required.Condition: No problems with use. Parts requiring approval: None. Accessories: None. Warranty: No warranty. Sold as is.