Introducing the PFx Brick. A device which transforms LEGO® creations with awesome new possibilities for lighting and, for the first time, sound! All of these features are simple to use and customized by you.
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Light Fx

Sound Fx

Advanced Motor Control

Limitless lighting effects! Multiple light outputs with individual lighting effect, brightness and timing.
Awesome sound effects for your creations! Polyphonic sound and music playback on command.
Intelligent and powerful motor controller! Adjustable speed curves with optional momentum simulation.
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IR Receiver

USB 2.0

Bluetooth BLE 5.0

Limitless lighting effects! Multiple light outputs with individual lighting effect, brightness and timing.
Awesome sound effects for your creations! Polyphonic sound and music playback on command.
Intelligent and powerful motor controller! Adjustable speed curves with optional momentum simulation.
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Power Functions Compatible

Flexible Lighting Connections

Built-in Audio Amplifier

Works with LEGO® Power Functions battery boxes, motors, remote controls, and lights
Connect lights from different vendors or DIY. Lighting accessories make connection easy and modular.
Drive any 4Ω or 8Ω speaker with up to 2 W of power. Adjust volume, bass, treble, and dynamic range.
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Firmware Updates

Easy Customization

Adaptive Energy Management

Secure and encrypted firmware updates keep your PFx Brick up to date with the latest features and capabilities.
Setup the PFx Brick using our free PFx App. Store multiple configuration "profiles" for use in different models.
Automatically manages power consumption for optimum battery endurance. Optional automatic power-down modes.
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© 2021 Fx Bricks Inc.