Pricing and availability

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Sweetwater
4.5 (29)
$29.90
Guitar Center
4.5 (12)
$29.90
Amazon
4.2 (31)
Reverb
5.0 (5)
$21.00 3 available Used
Thomann
4.4 (178)
$16.60 $16.40 $0.20 · All time low

Average Price: $35

Budget/Beginner

$119

$300+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 6 merchants for "Behringer Ultra-DI DI400P". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

The Behringer Ultra-DI DI400P is your go-to solution for seamless instrument-to-mixer connectivity. Crafted with durability in mind, this passive direct box is perfect for both stage and studio settings. Its compact design makes it a versatile addition to any musician's rig, while the robust metal case ensures it can withstand the rigors of the road.

Featuring dual 1/4" TS jacks wired in parallel, the DI400P allows you to effortlessly plug in your instrument and simultaneously connect to your amp. This setup ensures that your sound remains consistent and true to its source. The balanced XLR mic-level output is engineered to deliver a pristine, uncolored signal, making it an essential tool for achieving professional sound quality in live performances or recordings.

Ground loops and hum can be a musician's nightmare, but with the DI400P's handy ground lift switch, these issues are a thing of the past. Whether you're dealing with long cable runs or complex setups, this direct box maintains high-fidelity audio, ensuring your sound is always clear and impactful.

Key Features:

  • High-performance passive direct box
  • Dual 1/4" TS in and parallel out connections
  • Balanced XLR output for clean signal delivery
  • Ground lift switch to eliminate unwanted noise
  • Sturdy metal housing for reliable durability
  • Ideal for both stage performances and studio recordings

Owner's manual

Behringer Ultra-DI DI400P User Manual

Product specs

Type Passive DI
Channels 1
Ground Lift Yes
Inputs 1 x 1/4"
Outputs 1 x XLR, 1 x 1/4" (parallel with in)
Height 2.6"
Width 4.7"
Depth 1.4"
Weight 0.44 lbs.

FAQs

What is the primary function of the Behringer Ultra-DI DI400P?

The Behringer Ultra-DI DI400P is a passive direct injection box designed to connect unbalanced instrument signals, such as from a guitar or bass, directly to a mixer by converting them to balanced outputs, thereby reducing noise and maintaining signal integrity.

Does the Behringer Ultra-DI DI400P require any power source?

No, the Behringer Ultra-DI DI400P is a passive DI box, meaning it does not require any external power source such as batteries or phantom power to operate.

How does the ground lift switch on the Behringer Ultra-DI DI400P work?

The ground lift switch on the Behringer Ultra-DI DI400P helps eliminate ground loop hum by disconnecting the ground connection between the input and output, which can be useful in reducing noise in certain setups.

Can the Behringer Ultra-DI DI400P handle long cable runs without signal loss?

Yes, the Behringer Ultra-DI DI400P is designed to maintain signal integrity over long cable runs by converting unbalanced signals to balanced outputs, which are less susceptible to noise and high-frequency loss.

Is the Behringer Ultra-DI DI400P suitable for use with keyboards?

Yes, the Behringer Ultra-DI DI400P can be used with keyboards as well as guitars and basses, providing impedance and signal matching for direct connections to mixers or amplifiers.

Behringer

Behringer

ULTRA-DI DI400P High-Performance Passive DI-Box

Video thumbnail for ULTRA-DI DI400P High-Performance Passive DI-Box by Behringer

ULTRA-DI DI400P High-Performance Passive DI-Box

Behringer

Behringer

Video thumbnail for Direct Box Guitar Recording Vs Audio Interface - Behringer DI400P by Audio Tech TV

Direct Box Guitar Recording Vs Audio Interface - Behringer DI400P

Audio Tech TV

Audio Tech TV

Video thumbnail for UNBOXING Behringer ULTRA DI400P Passive Direct Box and First Impressions!!! by Sequence Killer

UNBOXING Behringer ULTRA DI400P Passive Direct Box and First Impressions!!!

Sequence Killer

Sequence Killer

Reviews

PROS

  • Excellent performance-to-cost ratio, providing great value

  • Solid metal construction ensures durability

  • Reduces noise and improves signal flow effectively

  • Versatile for various instruments: bass, keyboards, acoustic guitars

  • No need for phantom power, ideal for simpler setups

  • Adds slight transformer character to bass

  • Straightforward design with easy-to-use features

  • Provides good balanced signal for PA systems

  • Works well as a budget-friendly backup option

CONS

  • Loses significant signal strength, especially with certain instruments

  • Overloads and distorts with stereo keys or music playback

  • Limited features compared to higher-end models

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Behringer Ultra-DI DI400P.

Comparisons

  • The Scarlett 2i2 includes built-in DI functionality, which some users find superior to the Behringer DI400P for direct instrument input.

    Source
  • A user switched from the Scarlett 2i2 to a Roland UA55 Quad Capture for better handling of high output pickups, indicating a potential alternative for those experiencing clipping issues.

    Source
  • The DI400 is the preferred Behringer DI box, but Rapco DI100 is favored for budget options, implying a preference based on specific performance needs.

    Source

User experience

  • An Ibanez GRX20 with stock pickups may cause clipping even at zero gain when connected directly to the Scarlett 2i2, suggesting a sensitivity issue with certain guitars.

    Source
  • Owners consistently report that the DI400P offers seamless performance over years of regular use, proving its reliability in diverse environments.

    Source

Setup and maintenance

  • Pickup height adjustments are recommended to manage output levels and reduce signal clipping during direct input to the Scarlett 2i2.

    Source

Features and functionality

  • The Behringer DI400P is passive and requires no external power, simplifying setups and protecting pedals from phantom power issues.

    Source
  • The DI400P provides balanced XLR output, a feature appreciated by sound engineers for its contribution to cleaner signal transmission in live settings.

    Source

Use cases and applications

  • Ideal for ampless rigs, the DI400P reliably connects directly to mixing boards for gigs, rehearsals, and home sessions, enhancing compatibility with various sound systems.

    Source
  • The DI400P is described as an "amazing passive isolator/di," suggesting it handles isolation tasks efficiently in various settings.

    Source

Build quality

  • The DI400P's metal housing is noted to withstand abuse, indicating durability and robustness suitable for rigorous use.

    Source
Add

4.0 out of 5

Based on 2 Reviews and 9 Ratings

5 star
4 star
3 star
2 star
1 star
tedhayes

Meh

Not much experience with it, but it's by far the cheapest DI, and it gets the job done.

maskeda

Great product, great price!

I've reduced my guitar noise about 20% with this device. I use it to convert my 1/4" mono single to XLR on my M-Audio USB Fast Track USB. No complaints.

Artist usage

Add artist
See how Paola Zanetti uses Behringer Ultra-DI DI400P

Paola Zanetti

Singer, Bassist

...
Verified via Photo

Picture of the underside of the board. The DI can be seen on the left side

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Behringer Ultra-DI DI400P, it is most commonly used with the following gear.

Community setups

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marijn_borsboom0108

marijn_borsboom0108

Gear IQ 106

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