RJ12 Splitter Hub with cable set

Add Eight Powered RJ12 Ports to a Single Controller Connection

Once a Hydro-X or Aqua-X controller's built-in device slots fill up, connecting another sensor or module means finding more RJ12 capacity somewhere. The TrolMaster SPH-1 splitter hub takes one RJ12 connection from the controller and powers it out to eight separate output ports, keeping signal strength consistent across every connected device.

A cable set for linking the hub to the controller ships in the box, and the hub's own 12V DC power supply should not run at the same time as certain LMA lighting adapter configurations, so check compatibility before wiring both into one system.

Key Features & Benefits

• Eight Powered Output Ports — splits a single controller connection into eight independent RJ12 outputs.
• Onboard Signal Boost — keeps signal strength consistent across multiple connected devices.
• Included Connector Cable — comes ready to link to your controller out of the box.
• Expands Beyond Built-In Slots — adds connections once a controller's own device slots are full.

Who Should Use the SPH-1 Splitter Hub

Growers whose Hydro-X or Aqua-X controller has run out of built-in device slots, but who still need to connect more sensors or stations, are the target users for the SPH-1. It's a capacity expansion rather than a new controller feature, so it works alongside whatever modules are already installed.

About TrolMaster

TrolMaster designs accessories like the SPH-1 at its Sacramento, California headquarters to remove hard capacity limits from its Hydro-X and Aqua-X platforms as a grow operation scales up. Rather than requiring a second controller, a splitter hub lets an existing system keep adding sensors and stations.

Frequently Asked Questions

How many devices can I connect through the SPH-1?

Up to eight, one per output port. Each port carries a full, boosted RJ12 signal.

Does the SPH-1 need a separate power supply?

In most setups, yes, using its own 12V DC supply. It should not be powered separately alongside certain LMA lighting adapter configurations, so check compatibility first.

What cable ships with the SPH-1?

A connector cable set for linking the hub to your controller. It arrives ready to wire in without sourcing any extra RJ12 cabling first.

When would I need a splitter hub instead of another controller?

When your controller's built-in device slots are already full but a whole second controller isn't needed. The SPH-1 adds output capacity to the system you already have.