Tekin RX4 Hardbox - waterproof sensored or sensorless brushless ESC - No limit

Manufacturer: Tekin

Part No: TT2000


Tekin are very excited to announce our first Element Proof esc for the Rock Crawler and Racing market.  The Rx4 is a perfect match for the popular ROC412 motor series, and the new ROC412 HD motor series soon to be released also.

Product Description:

Tekin’s RX4 Brushless Sensored ESC is designed to power your Chassis past any obstacle. With massive power handling capabilities, a water proof design and all the customization features you’d expect from a Tekin ESC; the RX4 has you covered no matter the situation. Not only reliable, this ESC has a host of built in features like a High Voltage BEC, Drag Brake, Data logging and the ability to run either Brushed or Brushless motors. The RX4 defines versatility. 

The RX4 Housing is a thick-walled, reinforced Hardbox design able to withstand the elements and rough environments that come with true Offroad adventuring.

 Rocks, Dirt, Snow, Sand, Mud, Trail and Track; the RX4 is no-limits RC fun.

 Designed to run Tekin ROC412 and ROC412 HD motors

2s Lipo up to 4400kV

3s Lipo up to 3100kV

4s Lipo up to 2300kV



Easily Access Programming, Anywhere, Anytime

QuickTune One-Touch Programming

HotWire Compatible

D2: Dual Drive Mode Technology

On-Board Temperature Indicator

HDAC: High Density Copper FET Boards

Solder Posts for Easy Wiring

Heatsink and Fan w/ Auto-on-Temp Sensing

One-Touch Radio Calibration


DATA Logging

Water Proof



DB - Drag Brake (13 steps)

BS - Brake / Reverse Strength (13 steps)

LM - Torque Limiter (7 steps)

NW - Neutral Width (13 steps)

TP - Timing Profiles 5 Presets - 2 Custom

MT - Brushless Modes: Fwd/Brk, Fwd/Rev, Rev Delay

        Brushed: Fwd/Brk, Fwd/Rev, Fwd/Rev Delay

VC - Voltage Cutoffs: 2S, 3S, 4S and Custom

Extensive Tuning via Tekin HotWire (sold separately)

Custom Throttle Profiles

Adjustable Throttle and Brake Minimums

Adjustable Throttle and Brake Frequencies




Controls: Forward/Brake/Reverse

Input Voltage: 2S to 4S Lipo

Continuous Current: 240 Amps *per phase

BEC: HV 6.0V-7.4V / 8 Amp Switching

Motor Limit Brushless/Brushed Mode: No Limit

Brushed/Brushless, Sensored/Sensorless,

2Pole or 4Pole Motors

Dimensions: 1.6 x 2.0 x 1.4” / 40.6 x 50.8 x 35.5mm

Weight Approx: 2.65oz / 75.5grams

*per Mfg spec

Contact Us

X-Factory UK
418 St Albans Road
WD24 6PJ

Telephone: 01923 816636

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Office Hours

Mon to Wed : 10am - 5.30pm
Thursday : 10am - 7pm
Friday : 10am - 5.30pm
Sat & Sun : CLOSED 

Public Bank Holidays : CLOSED

Please note we do not supply direct to the public. Our full range of products are available via any of our UK dealers whom can be found in our dealer locator at the top of the website.