SP902E SPI Signal Amplifier | Extend & Boost Addressable LED Signals | TTL & RS485 Compatible
Push your addressable LED projects further without signal loss or color corruption. The SP902E SPI Signal Amplifier is the professional's solution for maintaining data integrity in large-scale LED installations. Whether you're creating architectural lighting, stage designs, or permanent displays, this amplifier ensures every pixel responds perfectly, no matter how far from the controller.
Solve These Common LED Installation Problems:
Signal Degradation: Boost weak data signals that cause flickering, color shifts, or dead zones in long LED runs
Voltage Drop Compensation: Maintain consistent brightness and color accuracy across extensive installations
Complex Layouts: Split one data line into two independent outputs for branching designs without signal splitters
Mixed System Compatibility: Bridge between different control systems with TTL to RS485 signal conversion
Scale Beyond Limits: Cascade multiple amplifiers to build virtually unlimited LED arrays with perfect synchronization
Installation Made Simple:
The clearly labeled ports and straightforward wiring make integration painless. The cascading design means you can add amplifiers as your project grows, while the wide voltage range ensures compatibility with existing power supplies.
Technical Specifications:
Input Voltage: DC 5V-24V
Rated Current: 4A
Signal Types: TTL & RS485 compatible
Output Ports: 2 independent LED outputs
Compatible LEDs: WS2811, WS2812B, WS2813, SK6812, etc.
Operating Temperature: -40°C to 80°C
Connection: Screw terminal blocks
Port Configuration:
POWER: DC 5V-24V input (VCC/GND)
TTL/RS485 INPUT: Data signal from controller or previous amplifier
TTL OUTPUT: Amplified signal for LED strings
RS485 OUTPUT: Cascading output to next amplifier
Wiring Guide:
Connect power (5V-24V) to POWER port
Connect controller DATA to IN+ and GND to IN-
Connect LED strings to TTL OUTPUT ports
For cascading: Connect OUT+ to next amplifier's IN+ and OUT- to IN-
Application Scenarios:
Large architectural lighting facades
Long addressable LED strip installations
Stage and concert lighting systems
Theme park and immersive experience lighting
Commercial signage and displays
Pixel mapping installations
What's in the Box:
1 × SP902E SPI Signal Amplifier
Installation guide
Dataspec Sheet



