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NVX XDBU4

Universal Distribution Block With One 1/0 - 4 Gauge Input and Four 4 - 8 Gauge Outputs

NVX
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• Positive Or Negative Use
• One 1/0 - 4 Gauge Input
• Four 4 - 8 Gauge Outputs
• All Brass Hardware
• Satin-Chrome Plated
• Solid Termination
• No-Fail Components
• Extreme Current Flow

Learn more about the xdbu4
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Universal – fits most vehicles.

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2026-07-27 11:08:20
List price $24.99
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$14.99

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Description


NVX brand icon

Authorized dealer

Distribute That Power

NVX excellent engineering team is proud to introduce the XDBU4 Universal Distribution Block. The XDBU4 is made from solid brass and satin-chrome plated for the best power transfer possible. It has one 1/0 output and four 4/8 gauge outputs for a wide array of power and grounding applications. With NVX's amazing quality and great prices, you can't go wrong.

Product Features:

  • Universal positive or negative distribution block
  • One 1/0 - 4 Gauge Input
  • Four 4 - 8 Gauge Outputs
  • Solid brass and satin-chrome plated hardware
  • Solid termination
  • No-fail components
  • Extreme current flow
  • Supreme protection
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Frequently Asked Questions (FAQ)


No. This is a single-circuit block. You must use one XDBU4 for your Positive (+) connections and a separate, second block for your Negative (-) grounds. Mixing both on one block will cause an immediate and dangerous short circuit.
This block is highly versatile. It features one 1/0 AWG to 4 AWG input and four 4 AWG to 8 AWG outputs. This makes it perfect for splitting a main "Big 3" power run into multiple amplifiers or accessory circuits.
Ensure you are using the included wire reducers (ferrules). These metal sleeves take up the extra space in the port, allowing the set screw to "crush" the wire evenly for a vibration-proof, high-current connection.
No. The XDBU4 is a non-fused distribution block. If you need circuit protection for your amps, you should use the NVX XDBF series or install inline fuse holders between this block and your amplifiers to prevent equipment damage.
Yes. The Satin Chrome over solid brass offers excellent conductivity and superior resistance to corrosion. It won't flake or tarnish like cheap gold plating, ensuring your voltage stays stable and your engine bay looks professional for years.

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Specifications & Details


Distribution Block Specifications
Distribution Block Type
Non-fused
Total Number of Inputs
1
Maximum Input Gauge Size
1/0 AWG
Total Number of Outputs
4
Maximum Output Gauge Size
4 AWG
Material
Satin-Chrome Plated Brass
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

NVX

Model Number:

XDBU4

Weight:

0.48lbs

Internal SKU:

xdbu4

Internal Product ID:

45063

Customer Ratings & Reviews


NVX XDBU4 thumbnail image

5 star
87%
4 star
7%
3 star
0%
2 star
7%
1 star
0%



Durability
4.9
Value
4.7
Features
5
Design
5
Usability
5

Customer Reviews

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Very good product

This item is built really good, it is what it says it is

By Miguel on March 23, 2013

76 found this helpful


Nice design

Every distro block or big-wire connector should have this style of allen set screw for solid, tight but not over tightened connection. Been quite pleased with the choices NVX has made in their distro block and battery terminal products. Appear to be very much among Sonic's best offerings. Only criticism is even solidly mounted to an amp rack, the cover popped off a couple times.. I might have it too tightly secured. Dunno yet.

By Bradley on December 17, 2014

77 found this helpful


SOLID...

Great product, very solid & sturdy. Using it for 4 gauge ground wires, easy to use.

By Ben on January 9, 2014

74 found this helpful


great quality

This is a great product the build quality is super, the guage sleeves are sturdy and will last couldn't ask for a better distribution block.

By kaleb on February 9, 2014

72 found this helpful


Solid Product

works as advertised ...Solid buy looks clean easy install ..shipping was fast and painless ... wouldn't hesitate to buy again

By Steven on September 18, 2013

71 found this helpful


Solid

Having played with a number of distro blocks, this is definitely one of the most solid feeling. Does it's job and looks good while it does it.

No complaints, and will likely purchase another when I re-run cables for the power side.

By Sikotik13 on July 9, 2013

68 found this helpful


No good

Look great, beefy feel BUT the 0 gauge input is way too shallow, No matter how much you tighten, the wire slips out.

By Renn on July 25, 2016 Checkmark Icon Verified purchase

39 found this helpful


Great Product

Well built and very useful for splitting feeds between amps and caps. Good price makes safe connections.

By Charles on October 15, 2016 Checkmark Icon Verified purchase

37 found this helpful


NVX XDBU4

Great grounding block. Helped make my install for multiple amps a breeze

By Anonymous on June 7, 2018 Checkmark Icon Verified purchase

35 found this helpful


woow!!!!

once again, NVX has scored! this product is excellent. I highly recommend it for those who use multiple amplifiers. Tip: Try not to push the amplifiers too far away from this product and favor OFC or other type of wire

By Anonymous on October 19, 2018 Checkmark Icon Verified purchase

34 found this helpful



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