What is a DMX cable for?

A DMX cable is used to transmit the DMX512 lighting control protocol from a console to intelligent fixtures such as moving heads, LED bars, dimmers, scanners, hazers and fog machines. Instead of carrying audio or power, a DMX cable carries digital data that tells each fixture how to behave — its brightness, colour, movement and effects. Fixtures are linked in a daisy chain, so the DMX cable forms the signal backbone of the entire lighting rig. A purpose-built 110-ohm DMX cable ensures this data arrives reliably and reflection-free, even over long runs with many fixtures.

What cable should I use for DMX?

For DMX you should use a screened, twisted-pair cable with a characteristic impedance of 110 ohms, since DMX512 is based on RS-485 transmission. Proven reference cables include Belden 9841 (single pair), Belden 9842 (two pair), Van Damme Smart Control for touring and the Van Damme Purple Series for installations. Shielded Cat 5/6/7 cable is also ANSI-approved for DMX. Avoid using ordinary analog XLR audio cables for DMX, because their lower, unrated impedance can cause flickering and dropouts. Choose 3-pin or 5-pin XLR connectors to match your fixtures, and use braided screening and solid connectors for touring reliability.

Are DMX and XLR cables the same thing?

DMX and XLR cables are not the same thing, even though they often share the identical 3-pin XLR connector. A DMX cable carries digital lighting data and is rated at 110 ohms, while a standard XLR audio cable carries analog sound and typically measures 45–75 ohms. Because the DMX512 protocol reused existing XLR connectors when it was created in 1986, the two cables look confusingly similar. In practice, using an audio cable for DMX can cause strobing and dropouts, while using a DMX cable for microphones can introduce noise. Always use a purpose-built DMX cable for lighting control.

Why are DMX cables so expensive?

DMX cables are more expensive than ordinary audio cables mainly because of the construction required to meet the 110-ohm impedance standard. Holding a precise characteristic impedance demands a carefully engineered screened twisted pair, consistent conductor spacing and quality screening — either braided or foil — to keep the fast digital data reflection-free over long distances. Professional DMX cables also use solid, well-strain-relieved connectors such as Neutrik and a durable, flexible jacket built for daily touring abuse. You are paying for reliable, noise-free data transmission that keeps a full lighting rig stable, which is far cheaper than a flickering, unreliable show.

What is the difference between 3-pin and 5-pin DMX cables?

The difference between 3-pin and 5-pin DMX cables lies in the connector and its pinout. A 3-pin DMX cable uses Pin 1 signal common, Pin 2 Data -, and Pin 3 Data +, and is the most common type for LED bars, DJ effects and most fixtures. A 5-pin DMX cable is the original DMX512 standard connector, adding Pin 4 Data 2 - and Pin 5 Data 2 +, and is often found on touring and professional fixtures and consoles. The extra data pair is rarely used, so most 5-pin cables only have three conductors wired. Conversions between 3-pin and 5-pin are simple with a DMX adapter.

Do I need a DMX terminator on my chain?

You need a DMX terminator on longer or heavily loaded DMX chains to prevent data errors. A DMX terminator is a 120-ohm resistor fitted to the DMX output of the last fixture in the chain. It absorbs signal reflections that would otherwise travel back down the cable and corrupt the DMX512 data, causing fixtures to flicker or respond erratically. For short chains with only a few fixtures you may not notice a difference, but for long runs, high fixture counts or permanent installations a terminator is strongly recommended. It is a small, inexpensive part that dramatically improves signal stability across the whole rig.

How long can a DMX cable run be?

A DMX cable run can be surprisingly long thanks to the robust RS-485 transmission behind DMX512, but there are practical limits. As a rule of thumb, keep a single DMX chain below roughly 300 metres total length and no more than around 32 fixtures before signal integrity suffers. Long runs and high fixture counts increase the risk of data errors, so a DMX splitter or buffer is used to regenerate the signal and branch it to further fixtures. Fitting a 120-ohm terminator at the end of the chain also stabilises long runs by absorbing reflections. For reliable performance, plan your cabling to keep individual runs as short as practical.

Which DMX cable should I buy for my lighting rig?

Which DMX cable you should buy depends on your fixtures, run lengths and how hard the cable will work. First check whether your fixtures use 3-pin or 5-pin XLR connectors, and add a DMX adapter if your console and fixtures differ. Choose a genuine 110-ohm screened cable — a touring grade with braided screening and Neutrik connectors for mobile rigs, or a low fire hazard installation grade for fixed venues. Order a mix of lengths, using short jumpers between close fixtures and longer runs to reach outlying positions. At LTT you get quality branded DMX cables with a 3-year warranty and fast dispatch from Germany.

DMX cables

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DMX Kabel 3pin, 3m, 110 Ohm, AC3PDMX10

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DMX Kabel 3pin, 1,5m , 110 Ohm, AC3PDMX3

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DMX Kabel 3pin, 5m, 110 Ohm, AC3PDMX30

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DMX Kabel 3pin, 0,5m , 110 Ohm, AC3PDMX3

AC-DMX3/0,5

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DMX Kabel 3pin, 10m, 110 Ohm, AC3PDMX30

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DMX Kabel 3pin, 15m, 110 Ohm, AC3PDMX30

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DMX Kabel 3pin, 30m , 110 Ohm, AC3PDMX100

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Cameo DMX EX 001 DMX Verlängerungskabel IP65 1m

Cameo DMX EX 001 - DMX Extension Cable IP65 1 m

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ADJ DMX 3pin IP65 1,0m STR

3 pin DMX IP extension cable 1m

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ADJ DMX 3pin IP65 1,5m STR

3 pin DMX IP extension cable 1,5m

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ADJ DMX 3pin IP65 3,0m STR

3 pin DMX IP extension cable 3m

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ADJ DMX 3pin IP65 7,0m STR

3 pin DMX IP extension cable 7m

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ADJ DMX 3pin IP65 15m STR

3 pin DMX IP extension cable...

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ADJ DMX 3pin IP65 30m STR

3 pin DMX IP extension cable...

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ADJ DMX 5pin IP65 0,5m STR

5-wire, 5 pin DMX IP extension cable 0,5m •

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ADJ DMX 5pin IP65 1,0m STR

5-wire, 5 pin DMX IP extension cable 1m •

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ADJ DMX 5pin IP65 1,5m STR

5-wire, 5 pin DMX IP extension cable 1,5m •

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ADJ DMX 5pin IP65 3,0m STR

5-wire, 5 pin DMX IP extension cable 3m •

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ADJ DMX 5pin IP65 7,0m STR

5-wire, 5 pin DMX IP extension cable 7m •

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ADJ DMX 5pin IP65 15m STR

5-wire, 5 pin DMX IP extension cable 15m •

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ADJ DMX 5pin IP65 30m STR

5-wire, 5 pin DMX IP extension cable 30m •

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DAP-Audio FL86 - DMX/AES-EBU XLR/M 5P to XLR/F 5P 10 m

To prevent signal distortion in digital signal transmission, it is advisable to use the DAP FL86 (Digital AES-EBU norm) 110 Ohm DMX cable. The FL86 series uses updated XLR connectors. : Connector...

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DAP-Audio FL86 - DMX/AES-EBU XLR/M 5P to XLR/F 5P 15 m

To prevent signal distortion in digital signal transmission, it is advisable to use the DAP FL86 (Digital AES-EBU norm) 110 Ohm DMX cable. The FL86 series uses updated XLR connectors. : Connector...

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DAP-Audio FL86 - DMX/AES-EBU XLR/M 5P to XLR/F 5P 20 m

To prevent signal distortion in digital signal transmission, it is advisable to use the DAP FL86 (Digital AES-EBU norm) 110 Ohm DMX cable. The FL86 series uses updated XLR connectors. : Connector...

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DAP-Audio FL86 - DMX/AES-EBU XLR/M 5P to XLR/F 5P 3 m

To prevent signal distortion in digital signal transmission, it is advisable to use the DAP FL86 (Digital AES-EBU norm) 110 Ohm DMX cable. The FL86 series uses updated XLR connectors. : Connector...

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DAP-Audio FL86 - DMX/AES-EBU XLR/M 5P to XLR/F 5P 6 m

To prevent signal distortion in digital signal transmission, it is advisable to use the DAP FL86 (Digital AES-EBU norm) 110 Ohm DMX cable. The FL86 series uses updated XLR connectors. : Connector...

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PSSO DMX Kabel 3pol male/ offene Kabelenden

PSSO DMX cable XLR 3pol male/cable wires

Built with NEUTRIK connector • Package contents 1 x XLR cable • Cable length: 1 m • Plug A: 1 x 3-pin XLR (M) • Plug B: X • Use of brands: Built with NEUTRIK connector...

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PSSO DMX Kabel 3pol female/ offene Kabelenden

PSSO DMX cable XLR 3pol female/cable wires

Built with NEUTRIK connector • Package contents 1 x XLR cable • Cable length: 1 m • Plug A: 1 x 3-pin XLR (F) • Plug B: X • Use of brands: Built with NEUTRIK connector...

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EUROLITE DMX cable EC-1 IP65 3pin 3m bk

Package contents 1 x XLR cable, 2 x plug (male), 2 x end cap • IP classification: IP65 • Cable length: 3 m • Plug A: 1 x 3-pin XLR (F) IP • Plug B: 1 x 3-pin XLR (M) IP...

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EUROLITE DMX cable EC-1 IP65 3pin 5m bk

Package contents 1 x XLR cable, 2 x end cap • IP classification: IP65 • Cable length: 5 m • Plug A: 1 x 3-pin XLR (F) IP • Plug B: 1 x 3-pin XLR (M) IP • Color: Black...

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EUROLITE DMX Kabel EC-1 IP65 3pol 20m sw

EUROLITE DMX cable EC-1 IP65 3pin 20m bk

Package contents 1 x XLR cable, 2 x plug (male), 2 x end cap • IP classification: IP65 • Cable length: 20 m • Plug A: 1 x 3-pin XLR (M) IP • Plug B: 1 x 3-pin XLR (F) IP...

€39.90 *

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PD-Connex CX100-25 DMX Kabel XLR Stecker - XLR Buchse 25m

PD-Connex CX100-25 DMX Cable XLR Male - XLR Female 25m

PD Connex professional HQ DMX signal cable. This flexible signal cable is fitted with high quality XLR connectors and guarantees a trouble-free and reliable DMX signal transmission. Supplied...

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Facts

DMX Cables from Your Event Technology Specialist: DMX cables carry the digital control signal that lets you set your entire lighting rig in scene — from moving heads and LED bars to scanners and dimmers. At LTT you get professionally built cables with true 110-ohm impedance, robust screening and reliable connectors for flawless data transmission across a busy stage. Whether you run a single par can or a full DMX512 universe with dozens of... Read more »

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