WLED Sounds Reactive Addressable LED Strip Controller
FCC ID: 2A7ZI-LS8P
WLED Smart LED Strip Controller with Music Sync
Make your lights move with the music.
Built on the ESP32 platform, this compact controller is fully compatible with the WLED ecosystem. It combines Wi-Fi control, music synchronization, four LED outputs, a level shifter, a 16A relay, and fuse protection in one device.
Ideal for smart homes, gaming rooms, home theaters, parties, retail displays, and commercial lighting.
Main Features
Built-in PDM digital microphone
Real-time music and sound-reactive lighting
ESP32-WROOM-32E with 8MB flash
2.4GHz Wi-Fi control
WLED compatible
Web UI, mobile app, API, and Home Assistant support
OTA wireless firmware updates
5V-48V DC wide voltage input
Four independent LED output channels
Integrated 3.3V to 5V level shifter
Built-in 16A high-power relay
Fuse protection
Optional infrared remote control
Optional ESP-NOW wireless remote
Music-Synchronized Lighting
The built-in high-sensitivity PDM microphone eliminates the need for an external sound sensor.
With compatible audio-reactive WLED firmware, your LED strips can respond to:
Music beats and rhythm
Sound intensity
Voice and ambient sound
Dynamic colors and lighting effects
Perfect for parties, gaming, living rooms, home theaters, and entertainment spaces.
ESP32 Wi-Fi Control
Connect the controller to a 2.4GHz Wi-Fi network and manage your lighting through:
WLED Web interface
Mobile applications
API commands
Home Assistant
OTA firmware updates
Optional ESP-NOW Wireless Remote
The controller supports an optional ESP-NOW remote for fast local control.
ESP-NOW Advantages
No router required: Direct communication between the remote and controller
Low latency: Fast response for power, brightness, color, and effect changes
Reliable connection: Works independently from congested Wi-Fi networks
Low power consumption: Suitable for portable or wall-mounted remotes
Flexible installation: No control cables required
Multi-device support: Compatible with supported multi-controller setups
Depending on the remote firmware, functions may include power, brightness, color, effects, scenes, and music-sync mode switching.
The ESP-NOW remote is optional. Please confirm the selected product option before ordering.
Wide Voltage Compatibility
Supports 5V, 12V, 24V, 36V and 48V DC systems.
Compatible with many addressable LED strips, including:
WS2812
WS2815
SK6812
Always use a power supply that matches your LED strip voltage. Do not mix different voltage systems.
Four Independent Outputs
The four output channels allow you to:
Control multiple LED strips independently
Create multi-zone lighting effects
Manage different rooms or areas
Build advanced music-reactive installations
Built-in Level Shifter
The integrated level shifter converts 3.3V signals to 5V signals, helping provide:
Improved signal integrity
Reduced flicker
Fewer data errors
Better long-distance signal stability
Improved compatibility with 5V data-input LED strips
Proper grounding, signal wiring, and power injection are recommended for long installations.
16A Relay and Fuse Protection
The built-in 16A relay can switch power to LED strips or external devices
Fuse protection helps protect against overcurrent and short circuits.
Specifications
| Item | Specification |
|---|---|
| MCU | ESP32-WROOM-32E, 8MB |
| Wireless | 2.4GHz Wi-Fi |
| Input | 5V-48V DC |
| Outputs | 4 independent channels |
| Audio Input | Built-in PDM microphone |
| Level Shifter | 3.3V to 5V |
| Relay | 16A high-power relay |
| Protection | Fuse protection |
| Remote | optional IR remote; optional ESP-NOW |
| Installation | Screw terminal blocks |
GPIO Pinout
| Function | GPIO |
|---|---|
| Button | GPIO0 |
| Relay | GPIO2 |
| DATA1 | GPIO18 |
| DCLK1 | GPIO5 |
| DATA2 | GPIO17 |
| DCLK2 | GPIO16 |
| IR Receiver | GPIO25 |
| I2S_SD | GPIO32 |
| I2S_WS | GPIO15 |
| I2S_CK | -1 |
Applications
Smart home ambient lighting
Gaming room RGB effects
Music-reactive lighting
Party decoration
Home theater backlighting
TV and desk lighting
Retail displays
Commercial lighting
Cabinets and showcases
DIY WLED projects
Package Contents
WLED Smart LED Strip Controller ×1
User Manual ×1
ESP-NOW remote is not included unless specified in the selected product option.
Important Notes
Designed mainly for digital addressable LED strips.
Standard single-color or analog RGB strips may not be compatible.
Use the correct power supply and wiring for your LED strip.
Disconnect power before wiring.
Prevent reverse polarity and short circuits.
High-power LED strips may require separate power injection.
Upgrade your lighting with powerful Wi-Fi control, music synchronization, multi-zone outputs, and optional ESP-NOW wireless operation.
Notice: If you want to upgrade the firmware, please use "WLED_0.x.x_ESP32.bin"
