Behringer DI400P High-Performance Passive DI Box

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1 year warranty and 30 day money back guarantee included

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Product Ref: 27132

  • Professional, Multi-Purpose Direct Injection Box
  • Impedance and Signal Matching for Connecting Instruments
  • Features Behringer's Renowned OT-2 Transformer
  • 1/4'' TRS and Gold-Plated XLR Connectors
  • Ground Lift Switch Eliminates Typical Ground Loops Problems

Behringer DI400P High-Performance Passive DI Box


The Behringer Ultra-DI DI400P is the perfect passive DI (Direct Injection) box for connecting any guitar, bass or keyboard directly to your mixer. With the Behringer DI400P as your go-between, impedance-matching problems become a thing of the past while your precious tone remains consistent even with long cable runs. Complete with parallel 1/4'' input and output jacks, along with an XLR output and a ground lift switch, the Behringer DI400P delivers outstanding sound gig after gig, session after session.

Product Ref: 27132

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Directly to the Point

Featuring parallel 1/4'' input and output jacks, the Behringer DI400P allows you to connect your instrument and send the signal to an onstage amplifier, while the XLR output routes a balanced signal to your mixer. Additionally, you have the ability to plug your guitar, bass or keyboard amp's speaker output directly into the DI400P, which can handle ratings of up to 3000 watts while still delivering a flawless signal. The superior ground-lift switch eliminates hum associated with ground loops and the high-performance OT-2 transformer provides the ultimate in signal integrity.

Outstanding Signal Integrity

The secret to the DI400P's flat frequency response is the Behringer OT-2 balanced-line transformer. Praised by audio engineers worldwide, the OT-2 provides superior signal isolation from local AC and RF hum, along with unparalleled impedance matching. This results in an output signal which is entirely true to your original sound - in all its pristine glory.

Exceptional Value and Performance

The Behringer Ultra-DI DI400P is housed within an ultra-compact, road-ready metal case. This construction ensures that the DI400P Passive DI Box is capable of withstanding gig after gig, while consistently delivering exceptional sound and performance.


  • Professional and multi-purpose direct injection box for stage and studio applications
  • Provides impedance and signal matching for the direct connection of instruments to mixers and amplifiers
  • Ultra-flat frequency response due to renowned Behringer OT-2 transformer
  • Allows direct connection to speaker outputs with up to 3000 watts
  • Ground lift switch eliminates typical ground loop problems
  • Thru/Out jacks let you send the unbalanced signal to an onstage amplifier while the balanced signal is routed to the mixer
  • 1/4'' TRS and gold-plated XLR connectors
  • Ultra-rugged, road-suitable metal case
  • Designed and engineered in Germany


  • Frequency Response: 40Hz - 20kHz, -3dB
  • THD+N (Distortion): 0.007 @ 1kHz, Input Level +4dBu
  • Input: 1/4'' TS, Unbalanced
  • Level Change: -20dB (Input -> Output)
  • Output: Balanced XLR
  • Impedance Ratio: 110:1 (Input -> Output)
  • Dimensions: 2.6'' x 4.7'' x 1.4'' / 66mm x 120mm x 35mm (H x W x D)
  • Weight: 0.2kg / 0.44lbs