1 IN / 8 OUT optically isolated DMX splitter with > AC 300V isolation, signal regeneration and a 19″ 1U rack chassis.
$110.00
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8 Optically Isolated Outputs1 In / 1 Thru
Star-wire the rig instead of daisy-chaining, with each branch on its own driver
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Ground Loop Protection> AC 300V
Withstand voltage above AC 300V between input and output keeps hum off the line
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Signal AmplificationRegenerated
Every branch gets a rebuilt DMX signal, so long cable runs stop eating data
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19″ 1U Rack ChassisMetal
Mounts in the dimmer rack where it belongs and survives the truck
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AC 90–240V, 15WUniversal Mains
One unit for US and EU racks, drawing less than a small lamp
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$110.00
DMX is a bus, and a long daisy chain is where it starts to fail: the fixtures at the end of the run get a degraded signal, and one bad connector takes the whole line down. The Splt-802 turns one feed into 8 independent branches, so you can star-wire the rig the way the venue is actually laid out — one leg to the truss, one to the floor cans, one to the dimmers, one to the effects rack. Each branch fails on its own.
Every one of the 8 outputs is optically isolated, with an input-to-output withstand voltage above AC 300V. In practice that is the fix for the two problems that ruin a rig's data: ground loops formed when stage and booth share a power source, and voltage differences between fixtures on different circuits. The result is stable, predictable DMX instead of intermittent flicker you cannot reproduce until the show starts.
The splitter does not just copy the incoming signal, it amplifies and reshapes it. DMX512 edges get squared back up on the way out, which is what lets you run longer cable from the splitter to the last fixture and still have the data arrive clean. On a large rig that is the difference between a fixture responding every time and one that drops the occasional frame.
The chassis takes one signal input and provides one through output, isolated from each other and from the distribution branches. The through line is what lets you grow past 8 branches without buying a bigger unit: feed the next splitter from it and keep every leg isolated. It is the same way you would expand a network switch, and it means the box you buy for a small rig does not become dead stock when the rig grows.
At 19.1 × 1.8 × 5.5 in the Splt-802 is a 19″ rack mount, 1U height enclosure in metal, weighing 4.2 lbs. Signal connectors are XLR-3 male on the input and XLR-3 female on the outputs — the standard 3-pin DMX connectors already in every cable case — over an RS-485 interface. Nothing about it needs a special adaptor.
Power is AC 90–240V at 50/60Hz and the unit draws 15W, so it works on US and European mains without a transformer and adds effectively nothing to the rack's current load. That universal input matters for rental stock that ships between territories, and for venues where the power situation is not what the paperwork promised.
DMX is a bus, and a long daisy chain is where it starts to fail: the fixtures at the end of the run get a degraded signal, and one bad connector takes the whole line down. The Splt-802 turns one feed into 8 independent branches, so you can star-wire the rig the way the venue is actually laid out — one leg to the truss, one to the floor cans, one to the dimmers, one to the effects rack. Each branch fails on its own.
Every one of the 8 outputs is optically isolated, with an input-to-output withstand voltage above AC 300V. In practice that is the fix for the two problems that ruin a rig's data: ground loops formed when stage and booth share a power source, and voltage differences between fixtures on different circuits. The result is stable, predictable DMX instead of intermittent flicker you cannot reproduce until the show starts.
The splitter does not just copy the incoming signal, it amplifies and reshapes it. DMX512 edges get squared back up on the way out, which is what lets you run longer cable from the splitter to the last fixture and still have the data arrive clean. On a large rig that is the difference between a fixture responding every time and one that drops the occasional frame.
The chassis takes one signal input and provides one through output, isolated from each other and from the distribution branches. The through line is what lets you grow past 8 branches without buying a bigger unit: feed the next splitter from it and keep every leg isolated. It is the same way you would expand a network switch, and it means the box you buy for a small rig does not become dead stock when the rig grows.
At 19.1 × 1.8 × 5.5 in the Splt-802 is a 19″ rack mount, 1U height enclosure in metal, weighing 4.2 lbs. Signal connectors are XLR-3 male on the input and XLR-3 female on the outputs — the standard 3-pin DMX connectors already in every cable case — over an RS-485 interface. Nothing about it needs a special adaptor.
Power is AC 90–240V at 50/60Hz and the unit draws 15W, so it works on US and European mains without a transformer and adds effectively nothing to the rack's current load. That universal input matters for rental stock that ships between territories, and for venues where the power situation is not what the paperwork promised.
| Signal type | DMX512, compatible with digital signals transmitted over the RS-485 interface |
| Interface | RS-485 |
| Signal input | 1 × input |
| Through output | 1 × through output (electrically isolated from the input) |
| Distribution outputs | 8 (or 4) × electrically isolated signal distribution outputs |
| Isolation (input to output) | Withstand voltage > AC 300V |
| Input | XLR-3 male |
| Output | XLR-3 female |
| Input power | AC 90–240V, 50/60Hz |
| Power consumption | 15W |
| Voltage range | Universal — works on US and EU mains |
| Mounting | 19″ rack mount, 1U height |
| Chassis | Metal |
| Dimensions | 19.1 × 1.8 × 5.5 in |
| Weight | 4.2 lbs |
| Weather rating | No IP rating — indoor rack installation |









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