SMSCOM MK2 Lite 4.5A Twin Fan Controller – Simple, Quiet Fan Control
The SMSCOM MK2 Lite 4.5A Twin Fan Controller gives you an easy way to control both your intake and extraction fans — helping you manage your grow room environment and keep airflow balanced and quiet.
If you’re looking for a simple, plug & play fan controller without the cost or complexity of full digital units, the MK2 Lite is a great choice. It lets you set minimum and maximum fan speeds and keeps fans running smooth and silent — avoiding annoying humming or buzzing that cheaper dimmers often cause.
Key Benefits of the SMSCOM MK2 Lite 4.5A Twin Fan Controller
- Control both intake and extraction fans – run a fully balanced system
- Set minimum and maximum fan speeds – avoid overcooling or poor airflow
- Eliminates fan hum – uses stepped control for smooth, silent operation
- Plug & play – no wiring needed, just plug in and go
- 4.5 amp capacity – handles large AC fans with ease
- Built-in temperature probe – adjusts fan speeds automatically as room temperature changes
How Does the SMSCOM MK2 Lite 4.5A Twin Fan Controller Work?
The SMSCOM MK2 Lite 4.5A Twin Fan Controller uses a temperature probe to monitor your room. You set your minimum and maximum fan speeds — and the controller automatically adjusts fan speed between those limits based on temperature, keeping your grow space in the ideal range.
This helps keep airflow consistent and prevents big swings in temperature or humidity. It also helps keep fan noise down by avoiding the harsh dimming and buzzing that cheaper controllers can cause.
Who Is the SMSCOM MK2 Lite 4.5A Twin Fan Controller For?
- Growers wanting balanced, automatic fan control
- Anyone running both intake and extraction fans
- Growers wanting silent fan operation (no hum or buzz)
- Those who want plug & play simplicity without complex programming
- Growers wanting an affordable, effective fan controller for AC fans
Why Choose the SMSCOM MK2 Lite 4.5A Twin Fan Controller?
Stable airflow = stable grows. If you want to avoid big temperature swings and keep your fans running quietly and efficiently, the SMSCOM MK2 Lite 4.5A Twin Fan Controller is a great choice.
It’s simple to set up, reliable, and gives you proper control over your room without needing full digital kit — a perfect upgrade if you’re still running basic fan controllers or manual dimmers.