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Product Information
The Ltech R4-CC is a professional-grade 4-channel wireless receiving controller engineered for lighting systems that require precise constant current. Unlike standard controllers, the R4-CC provides a stable, selectable current output (350mA, 700mA, or 1050mA), making it exceptionally versatile for driving a wide range of high-power LEDs, spotlights, and custom fixtures. Its broad DC 12V to 48V input range offers significant flexibility in power supply selection. As a key component in Ltech's 2.4GHz wireless ecosystem, this multi-channel controller integrates seamlessly into sophisticated multi-zone control systems, delivering reliable, long-range performance for demanding architectural and commercial lighting projects.
Key Features
Selectable Constant Current Output
A 3-in-1 design allows you to select 350mA, 700mA, or 1050mA per channel to perfectly match the requirements of your specific LED fixtures.
Wide Voltage Compatibility
Operates on a broad DC 12V to 48V input, providing flexibility for various project scales and compatibility with different power supplies.
4-Channel Multi-Zone Control
Independently control four channels, perfect for managing multiple zones of single-color lights or a full RGBW constant current setup.
Reliable 2.4GHz Wireless RF
Features stable 2.4GHz wireless technology for responsive control up to 50 meters away when paired with compatible Ltech DX series wireless remotes.
High Power Capacity
Capable of handling a total maximum load of 193.2W (up to 48.3W per channel), suitable for substantial and professional lighting installations.
Technical Highlights
- PWM output ensures smooth, flicker-free dimming from 0.1% to 100%.
- Compact and robust housing designed for easy installation in tight spaces.
- Built-in protection mechanisms for enhanced safety and longevity.
Product Specifications
| Parameter | Details |
|---|---|
| Model | R4-CC |
| Working Frequency | 2.4GHz |
| Input Voltage | DC 12V ~ 48V |
| Output Voltage | DC 3V ~ 46V |
| Output Current | 350mA / 700mA / 1050mA × 4 Channels (Selectable) |
| Output Power per Channel | 1.05W - 48.3W |
| Max Total Power | 193.2W |
| Remote Distance | 50m (Line of Sight) |
| Working Temperature | -30℃ to 55℃ |
| Dimensions (L×W×H) | 175 × 44 × 30 mm |
| Package Size (L×W×H) | 178 × 48 × 33 mm |
| Weight (Gross) | 165g |
Application Scenarios
How to Control & Use This Controller
- Select Output Current: Before installation, use the DIP switch on the controller to select the correct output current (350mA, 700mA, or 1050mA) that matches your LED fixtures' specifications.
- Connect Power Supply: Wire the DC output from your 12V to 48V power supply to the controller's main power input terminals (V+ and V-).
- Connect LED Loads: Wire your constant current LED fixtures to the four output channels (CH1, CH2, CH3, CH4). Ensure the polarity is correct for each connection.
- Pair with Remote Control: Press the 'Learning Key' on the R4-CC receiver. Then, immediately press the desired zone key on your compatible Ltech RF remote. A flash from the connected LEDs will confirm a successful pairing.
- Test System: Power on the system and use the paired remote to test all functions, including on/off, dimming, and zone control, to ensure everything is working correctly.
- This is a constant current (CC) controller. Do NOT use it with standard constant voltage (CV) LED strip lights.
- Ensure the input voltage from your power supply is within the DC 12V-48V range.
- Do not exceed the maximum power rating of 48.3W per channel or 193.2W total for the controller.
What's in the Box
- ✓1 x R4-CC Constant Current Zone Receiving Controller
⇩ Downloads & Documents
PDFR4-5A
Frequently Asked Questions
Q: What is a constant current (CC) receiver used for?
A:A CC receiver delivers a stable, fixed amperage (e.g., 350mA) required by high-power LED chips found in spotlights and downlights. This protects them from overcurrent damage and ensures consistent brightness.
Q: How do I choose the right output current on the R4-CC?
A:You must match the controller's output current to the specification of your LED fixture. The setting is selected using a physical DIP switch on the unit before you connect the lights.
Q: Which remotes are compatible with this receiver?
A:The R4-CC is designed to work with Ltech's DX series 2.4GHz RF wireless remotes and compatible WiFi gateways for app control. It enables sophisticated multi-zone control.
Q: Can I use this with regular 12V or 24V LED tape light?
A:No. This controller is strictly for constant current LED fixtures. Standard LED tape light requires a constant voltage (CV) controller, such as the Ltech R4-5A.
Q: What kind of power supply is needed?
A:You will need a constant voltage DC power supply with an output between 12V and 48V. The exact voltage and wattage rating depends on the requirements of the LED lights you are connecting.
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Downloads
Files for R4-CCImages
These images were taken with Canon EOS 5D Mark IV and the studio light source is provided by Ra 98's full spectrum LED strip to realistically reproduce the colors of the item itself. All copyrights are created by the superlightingled team, please feel free to browse and download if you are a registered user!
LED Strip Lights Guide
Here you can learn anything about LED strip lights — pick the topic you are interested in to go deeper. We cover LED strip lights, power supplies, controllers, accessories, and how to connect LED strip lights. You can also watch our demo videos.
Led strip lights
►Everything you need to know before you buying led strip lights
| Top 6 Considerations Before Buying LED Strip Lights 1. Where do I want to place the LED strip lights? Indoor or outdoor? • What are waterproof led strip lights? • How to cut and connect waterproof led strip lights? 2. How much LED brightness do I need? 3. The working voltage is available? • 5V VS 12V VS 24V led strips • AC VS DC 4. How long is the LED strip light suitable for my project? 5. Do I need an LED light controller to adjust the LED color and brightness? 6. How to power the LED strip lights? 1. How do led strip lights work? 2. How long can you run an LED strip? 3. How long do LED strip lights last? Is it worth getting led strip lights? 1. Do LED strip lights use a lot of electricity? 2. Why are LED lights energy efficient? 3. Are LED Strip Lights sustainable? 4. What are the pron and cons of led strip lights? 5. Precautions for led strip lights 1. Do LED strip lights overheat? 2. How do you stop LED strips from overheating? 3. Can LED strips catch fire? 4. Is it safe to sleep with LED strip lights on? What are the types of led strip lights? Flexible led strip lights VS rigid led strip lights - 1. What are flexible led strip lights? 2. What are rigid led strip lights? 3. What happens if you bend LED strip lights? 4. What is the difference between flexible led strips and rigid led strips? 1. Can you cut led light strips? 2. What happens if you cut an led strip? 3. How to cut led strip lights? 4. How to connect RGB color changing led strip lights with a connector? 5. How to know what your led strip light is? How to choose the correct SMD led for your strip? Which is the brightest SMD LED? What does SMD 5050 mean? How many lumens is a 5050 SMD LED? How to know what type of LED strip? What is the difference between 2835 and 5050 LED? |
►COB led strip light
| 1. What is COB? 2. What is the COB production process? 3. Different types of COB strip lights 4. What is the difference between COB and SMD led strip lights? 5. What is the difference between COB and LED? 6. Are COB led strips better? 7. How to cut and connect COB led strips? 8. How to install COB led strip lights? 9. Can COB light strips use aluminum channels? 10. Why choose superlightingled? |
►Led neon lights
| 1. What is led neon light? 2. What are neon led lights used for? 3. Are led neon lights good? 4. How to choose led neon rope lights? 5. Are led neon ropes use DC or AC? 6. Can you change the light-emitting angle or the luminous way of neon led strip? 1. How to cut led neon lights 2. Can led neon lights be connected? 3. Easy 7 steps to make led neon lights 4. How to install led neon rope? |
►Addressable led strip
| Ultimate Guide to Choosing the Right Addressable LED Strip What is an addressable LED strip? Can you cut addressable LED strips? How to judge if an LED strip is individually addressable? How to choose the best DC12V addressable led strips? How to choose the best DC5V digital led strips? How to choose the right IC for your project? Which IC is most commonly used? How do I know my IC type? How do I know if my IC is good or bad? How many types of IC are there? |
►Color, color temperature, and CRI
| The Color Difference Between Warm White 2700K, 3000K, 4000K, 6000K Pure White and 7000K Cool White 1. What is color temperature? 2. What color temperature is right for me? • 2700K VS 3000K • How obvious is the difference between 2700K and 3000K? • Warm White 3000K VS Natural White 4000K VS Daylight White 6000K • Warm White VS Cool White 3. Enjoy 2700K, 4000K, 6000K 4. Further Reading: How to install Warm White LED light strip? How to choose the right color for your led strip lights? - 1. How many colors are in LED strip lights? 2. What do LED light colors mean? 3. Why do white LED light turns to yellow? 4. Why are your led strip lights not the same color? 5. What is the most relaxing color for LED lights? 6. What color led lights is best for sleeping? 7. Are led lights bad for your eyes? 8. Is cool white or warm white better for eyes? 1. What is the best color temperature? 2. Does color temperature keep the same as time goes by? 3. What color temperature is best for night? 4. Led strip lights about color temperature,CCT VS RGBW VS RGBCCT; What is color rendering index? 1. What is CRI in led lights? 2. How to choose the right CRI when buying led strip lights? 3. What is the relationship between CRI and brightness? 4. Is higher CRI better? High CRI VS Low CRI; 5. How to find CRI value? |
Led strip light connection
| How to connect led strip lights? 1. How to connect led strip lights together? 2. How to connect LED light strips without connectors? 3. How to solder wires to LED strips? 4. How to connect LED strips without soldering? 5. Which one is better between soldering and using a connector? 6. How to connect mutiple led strip lights? 7. How many LED strip lights can you connect? How to connect led strip to the power supply? 1. Ensuring the working voltage and power first 2. How to hardwire led strip lights? 3. Can I connect multiple LED strips to the same LED power supply? How to wire led strip lights? How to wire single color led strip lights? How to wire tunable white/CCT led strip lights? How to wire RGB color changing led strip lights? |
Controller for led strip lights
| How to choose led strip light controllers? 1. WIFI controller 2. RF controller 3. IR controller 4. Bluetooth controller 5. Remote control and panel control 6. Single color controller and multi-color controller 7. DMX512 controller 8. SPI controller 9. DALI controller 10. 0/1-10V dimmer 11. Triac series 12. Sonsor series |
Led power supply
| How to calculate power for led strip lights? 4 steps to calculate the power you need Performance And Reasons Of LED Voltage Drop How to choose led strip light power supply? 1. Alternating current power supply VS Direct current power supply 2. Constant current power supply VS Constant voltage power supply 3. How to choose the best led power supply for your led strip light? |
Led strip light installlation
| How to install led strip lights? What accessories will be needed? 1. Adhesive installation for IP20 and IP65 led strip lights 2. How to choose the right led tape? 3. Can IP20 and IP65 led strip lights use aluminum profiles? 4. How to use aluminum profiles? 5. Mounted clip installation for IP67 and IP68 light strips How to install LED sensor stair lights? Lighting Up Your Stairs With LED Strip Lights Ideas How to install led strip lights on TV? How to install led strip lights outdoor? |
Accessories
| How to choose led strip light connectors? 1. Are all LED light strip connectors the same? 2. How do LED strip lights connectors work? 3. What connectors do you need for LED strip lights? 4. What are the different kinds of LED connectors? 5. How to choose the right connector for your led strip lights? Ultimate Guide on Aluminum Profile for LED Strip Lighting 1. What are aluminium profiles used for? 2. Why choose aluminum profiles? 3. Different types of LED aluminum profiles 4. LED aluminum profile VS COB LED strips 5. How to install LED aluminum channels? 6. How To Get Ideal Light Diffuser For Your LED Strip? 7. Add Black Aluminum LED Light Diffusers For Your Home Lighting 8. How To Find The Right Aluminum LED Light Strip Diffuser Channel? |
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