DMX vs. XLR: What's the Difference?

One of the most enduring mysteries among working musicians is the difference between Mic Cables and DMX cables.  They look exactly the same.  They both use three pin XLR connectors, mostly.  A mic cable will send DMX signals and a DMX cable will send audio signals.  But, are they truly interchangeable?

Seismic Audio Speakers DMX Turnaround Adapter Cable, 3 Pin XLR Male to 5 Pin XLR Female Patch Cables, XLR3M to XLR5F, 6 Inch Cable : Musical Instruments

Clark Wire & Cable X-DMX-3-XFMBG • Clark Wire & Cable

5 Pin (V.S) 3 Pin DMX – Warner AV Blog

XLR Vs RCA Cables Which Has Better Quality?

What's The Difference Between DMX and XLR Cables?

XLR Vs DMX Cable - What's The Difference?

DMX Cable adapter XLR-3P (M) to mini XLR-3P (F) - 1m

XLR 5 Pin Female to Female Adapter Cable Dmx Ethernet Adapter for Stage

This is an XLR 5 conductor Male to XLR 5 conductor Female DMX-512 Cable It can be used to control the stage lighting, as well as to transmit audio

SiYear DMX-512 XLR 5 Pin Male to XLR 5 Pin Female DMX Lighting Cable(1.5M/5FT)

Pro Co DMX3-25 3-pin DMX Cable - 25 foot

SinLoon (0.5M) DMX Stage Light Cable,DJ XLR Cable, 3-Pin Female XLR to 5-Pin Male XLR DMX Turnaround Connection for Moving Head Light Par Light Spotlight with XLR Input & Output (5male)

4 STAR CATBOX XM3, 3-pole DMX, AES/EBU Cables, DMX, AES/EBU Cables, Ready Made Cables, Cables & Connectors

DMX vs. XLR: What's the Difference?

XLR Vs TRS Cables Which Has Better Quality?

DMX has a higher impedance (110 ohms) than XLR (75 ohms). DMX utilize 110-ohm signals for professional audio cable performance. Upgraded to Metal

MFL. 4 Pack 15 ft DMX Cable 3 Pin XLR Male to Female Connector Wires for Stage Lighting DJ Lights 22 AWG 110 Ohms