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Behringer Ultra-DI DI400P High-Performance Passive DI-Box

4.6 4.6 out of 5 stars 1,755 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Recording Signal Direct Boxes by Behringer

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Eligible for Return, Refund or Replacement within 30 days of receipt
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Purchase options and add-ons

Brand Behringer
Model Name DI400P
Speaker Type Outdoor
Connectivity Technology TRS, XLR
Mounting Type テーブルトップマウント

About this item

  • Behringer Ultra-DI DI400P High-Performance Passive DI-Box - Adorama 1 Year Limited Warranty
  • Frequency Response: 40Hz (-3dB) to 20kHz
  • THD+N (distortion): 0.007% at 1kHz, input level +4dBu
  • Input: 1/4" TS (unbalanced)
  • Level Change (Input→Output): -20dB

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Product information

Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF ]

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Behringer Ultra-DI DI400P High-Performance Passive DI-Box


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Product guides and documents

What's in the box

  • Di400p Compact Direct Box With Parallel
  • Product Description

    BEHRINGER ULTRA-DI DI400P

    High-Performance Passive DI-Box

    • 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 3,000 Watts
    • Ground Lift switch eliminates typical ground loop problems
    • Thru/Out jack lets you send the unbalanced signal to an onstage amplifier while the balanced signal is routed to the mixer
    • ¼" TRS and gold-plated XLR connectors
    • Ultra-rugged, road-suitable metal case
    • High-quality components and exceptionally rugged construction ensure long life and durability
    • Conceived and designed by BEHRINGER Germany

    The ULTRA-DI DI400P is a passive DI (Direct Injection) box for connecting a guitar, bass or keyboard directly to your mixer. With the DI400P as your go-between, impedance-matching problems become a thing of the past, and long cable runs will not sacrifice all of your precious tone.

    Directly to the Point

    With its parallel 1/4" IN and OUT jacks, the DI400P allows you to plug in your instrument and send the same signal to your onstage amplifier, while the XLR OUTPUT sends a balanced signal to your mixer. A ground lift switch eliminates hum associated with ground loops and our high-performance transformer provides the ultimate in signal integrity.

    Great Sound, Exceptional Value

    The ULTRA-DI DI400P is also ultra-compact and we house it in a tough, road-ready metal case. This means the DI box will give you great sound gig after gig, session after session. And thanks to its low price, you can afford to outfit the entire band. See for yourself at your nearest BEHRINGER dealer.

    Looking for specific info?

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    1,755 global ratings

    Customers say

    Customers are happy with the performance, value, sound quality, quality and ease of use of the DI box. They mention that it works great, it's a good cheap buy and that it sounds satisfying. They appreciate the strong metal casing and minimal design. They also say that it'll hold up on the road rather nicely. Customers are also happy with size, saying that it is small and convenient.

    AI-generated from the text of customer reviews

    153 customers mention140 positive13 negative

    Customers are satisfied with the performance of the speakers. They mention that it works great, is very pleased with the results, and works perfectly with a cajon with s pickup in it. The lift switch works like a charm, and it has never failed. Overall, customers are happy with their purchase and recommend it to others.

    "...plus shows, plus endless practice sessions and the device still works perfectly with no hum or sound residue...." Read more

    "...Works well with both my acoustic/electric and hollow body electric. Eliminates unwanted noise, takes up very little space in the equipment bag...." Read more

    "...Although it was slightly more expensive, it has solved the problem very well...." Read more

    "...amp is an excellent keyboard amp in its own right, but it's an even better monitor...." Read more

    88 customers mention88 positive0 negative

    Customers appreciate the value of the speakers. They say it is a good cheap buy and works well for the price.

    "love it! best one for the price!" Read more

    "...Works well, doesn't cost much, quality construction. Very durable while sitting there doing it's intended functions." Read more

    "For the price it is really solid." Read more

    "This is a decent budget DI box. It's worth the money I paid for it" Read more

    74 customers mention54 positive20 negative

    Customers like the sound quality of the DI box. They mention it has a very satisfying sound, a clean signal to noise ratio, and no added noise. The lift switch works well and eliminates some buzz. It makes a noticeable difference in the clarity of recordings and seems durable.

    "...practice sessions and the device still works perfectly with no hum or sound residue...." Read more

    "...Eliminates unwanted noise, takes up very little space in the equipment bag...." Read more

    "...Probably. Do I care? Oh my Carl Sagan no, this little DI box sounds great and it's small enough to fit right on my pedal board...." Read more

    "...This solved the major interference problems but left me with a high noise floor; there was a constant hissing sound in my recordings...." Read more

    55 customers mention46 positive9 negative

    Customers like the quality of the product. They say it's well built, holds up on the road nicely, and is very portable. Customers are also impressed with the quality and signal cleanliness that they received from the DI box. They mention that the box is dependable and built like tanks.

    "...I am actually quite surprised at the durability and longevity of this little box. So much so, that I remembered I never reviewed it on here...." Read more

    "...Works well, doesn't cost much, quality construction. Very durable while sitting there doing it's intended functions." Read more

    "...No frills packaging but the unit is well built and works as stated.Pros: Price is great for a well built metal case DI...." Read more

    "The product feels really nice quality and the size is really nice for bringing it with you at all times in a guitar case...." Read more

    19 customers mention19 positive0 negative

    Customers find the speaker easy to use and set up. They say it makes it super easy to hook up a guitar to your audio. Customers also say it's convenient and awesome for the price. They also say the purchase is easy and the box is straightforward.

    "...Straight forward DI box, if that's all you need this is the product for you...." Read more

    "...It's simple and does exactly what I needed. Sounds great and has a nice and clean output. Well worth the money even if it only lasts a year...." Read more

    "What an awesome product. I have a set for versatility and ease of use. Performs as described and easy to use with some great functionality." Read more

    "Low cost and simply, I bought two of these and they're working perfectly, six months later" Read more

    15 customers mention15 positive0 negative

    Customers are satisfied with the size of the speaker. They mention that it is compact, takes up very little space, and is very portable. Some say that the DI box sounds great and is small enough to fit right on their pedal board.

    "...Eliminates unwanted noise, takes up very little space in the equipment bag...." Read more

    "...my Carl Sagan no, this little DI box sounds great and it's small enough to fit right on my pedal board...." Read more

    "...Lightweight and convenient size, smaller. I like black as well. Works well without noise generation...." Read more

    "...This Behringer unit solved my problem and it fits nicely into my gig bag when I need it in a pinch...." Read more

    11 customers mention9 positive2 negative

    Customers like the noise of the speakers. They say it works well without noise generation, is perfect for playing audio from computer through XLR, and is well made. Some say it's an excellent keyboard amp and great for controlling guitar signal.

    "...The bass amp is an excellent keyboard amp in its own right, but it's an even better monitor...." Read more

    "So far so good! Recording direct off the bass line after the effects chain before the amp...." Read more

    "...I like black as well. Works well without noise generation...." Read more

    "It's well made and works with guitar and bass...." Read more

    10 customers mention7 positive3 negative

    Customers like the cleanliness of the product. They say it has a clean and hot signal that is great for boosting signal from iPads, tablets, smartphones, and a solid signal to the snake or PA.

    "...No ground issues or excess noise. Just good, solid signal to the snake or PA. That's what you want out of these, right? Worth grabbing up a few!..." Read more

    "...It does the job nicely by sending a clean and hot signal to my PC audio software." Read more

    "...The higher you go with input level, the worse the low frequency response gets. At 1Vrms in, things looked pretty good down to 20 Hz...." Read more

    "...Sounds great and has a nice and clean output. Well worth the money even if it only lasts a year...." Read more

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    Top reviews from the United States

    Reviewed in the United States on April 27, 2023
    Customer image
    5.0 out of 5 stars 6 years later, this still works!
    Reviewed in the United States on April 27, 2023
    I bought this about 6 years ago and have used it for well over 200 plus shows, plus endless practice sessions and the device still works perfectly with no hum or sound residue. I am actually quite surprised at the durability and longevity of this little box. So much so, that I remembered I never reviewed it on here. If you are contemplating on this, just get it. The value pays for itself in endless durability.
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    5 people found this helpful
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    Reviewed in the United States on November 9, 2023
    Reviewed in the United States on May 9, 2023
    One person found this helpful
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    Reviewed in the United States on November 21, 2023
    Reviewed in the United States on August 26, 2019
    One person found this helpful
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    Reviewed in the United States on October 13, 2018
    2 people found this helpful
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    Reviewed in the United States on December 15, 2023
    Reviewed in the United States on November 22, 2023

    Top reviews from other countries

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    LuisVox
    5.0 out of 5 stars Llegó a tiempo y bien
    Reviewed in Mexico on March 14, 2024
    patrice2099
    5.0 out of 5 stars Super rapport qualité prix
    Reviewed in France on February 26, 2024
    R. Brandt
    5.0 out of 5 stars Tut, was es soll.
    Reviewed in Germany on December 23, 2023
    jh_bach
    5.0 out of 5 stars Molto semplice e altrettanto utile
    Reviewed in Italy on July 30, 2021
    One person found this helpful
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    Satnam singh
    5.0 out of 5 stars Very good product in this range
    Reviewed in India on February 17, 2021
    Customer image
    Satnam singh
    5.0 out of 5 stars Very good product in this range
    Reviewed in India on February 17, 2021
    Product is very good simple to use and value of money
    Clean and clear full range of all instruments audio delivery
    Small sige for easy storage in small place
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    One person found this helpful
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