Tekin RX4 Waterproof BL Sensored/Sensorless D2 BL ESC
In Stock
The Tekin RX4 Waterproof BL Sensorless D2 ESC is engineered to power your RC car or rock crawler past the toughest obstacles. Featuring a reinforced HardBox housing and high-voltage power handling for up to 4S LiPo batteries, this electronic speed controller delivers extreme reliability on off-road trails. Armed with Dual Drive Mode Technology and a High Voltage BEC, the Tekin RX4 ESC provides maximum torque and throttle precision.
Designed for extreme environments, the Tekin RX4 Waterproof BL Sensorless D2 ESC brings incredible flexibility and performance to your RC vehicle setup. Its thick-walled casing shields internal components against mud, water, snow, and sand, while the efficiency heatsink keeps temperatures under control during heavy loads. Compatible with both brushless motor and brushed drive systems, the Tekin RX4 speed controller supports QuickTune™ one-touch setup, on-the-fly drag brake adjustment via a 3rd receiver channel, and full system telemetry through Tekin HotWire™ programming.
What motor types can I run with the Tekin RX4 Waterproof BL Sensorless D2 ESC?
The Tekin RX4 Waterproof BL Sensorless D2 ESC supports both sensored and sensorless brushless motors (such as the Tekin ROC 412 series) as well as traditional brushed motors.
Is the Tekin RX4 Waterproof BL Sensorless D2 ESC fully submersible in water?
The Tekin RX4 Waterproof BL Sensorless D2 ESC is splash-proof and element-proof for sensorless operation in rain, snow, and mud. It is not designed for full submersion, and dielectric grease must be applied to sensor ports for protection.
How do I adjust settings on the Tekin RX4 Waterproof BL Sensorless D2 ESC?
You can perform basic tuning directly on the Tekin RX4 Waterproof BL Sensorless D2 ESC using QuickTune™ single-touch buttons, adjust drag brakes on-the-fly via a 3rd radio channel, or connect to an optional Tekin HotWire™ interface for advanced custom throttle maps and data logging.
What battery configurations are compatible with the Tekin RX4 Waterproof BL Sensorless D2 ESC?
The Tekin RX4 Waterproof BL Sensorless D2 ESC handles 2S, 3S, and 4S LiPo battery packs with programmable voltage cutoff protection.







































