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MU32 - SCX24 / TRX4m Brushless ESC w/ NSDRC BEC – Custom Tunes Available - AM32 Firmware

Arrives soon! Get it by Jun 29-Jul 1 if you order today
Jun 29-Jul 1

Returns & exchanges accepted

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Highlights

  • Supplies for making crafts

Introducing an economical brushless speed controller for your mini and micro RC crawlers.

Our goal is to make high-end/high-performance modifications more affordable and attainable for everyone in the micro crawler community . Our MU32 speed controller helps us achieve that.


We use brushless ESC’s with AM32 firmware [updated to the most recent stable firmware] and wire in a NSDRC nano-BEC for maximum performance from your servo's and accessories. You have the option as to what voltage you’d like us to build you ESC with [6.0v, 7.4v, or 8.4v], and your choice of battery connector between a JST and XT30. For the JST connectors, we sourced the thickest gauge pre-wired JST plugs to use for our speed controllers [18g].

Also, as part of the purchase, you’ll be able to tell us which brushless motor you have and we’ll upload a custom tune to optimize your motor [this is not a mandatory step! You can still use the ESC with the factory loaded parameters on any brushless motor.].

NOTE: USB dongles will also be available if you’re interested in changing parameters yourself. If you change parameters and are unhappy, the default files are available.

SPECIFICATIONS:
-Firmware: AM32
-Output current: 30amp continuous , 50amp burst [seconds]
- BEC output: 6.0v-8.4v 4A [NSDRC nano BEC]
-Lipo size: 2-4S
-Low Voltage Cutoff: yes
-Battery plug type: JST or XT30
-Support signal: PWM/DSHOT/Sine, etc.
-Size: 39x11mm


Please make sure you select with voltage BEC and which connector you'd like when purchasing. If no selection is made, default configuration will be 6.0v BEC and JST battery connector. THANK YOU!!!


***Disclaimer: LVC [ low voltage cutoff/protection] is set to 3.4v , but because the nature of LIPO batteries, we always recommend monitoring the performance of your car. If you see a slight drop in performance with a lithium-polymer battery, we suggest you stop running your car and throwing the battery on a charger as soon as possible. The highest risk with lithium based batteries is over-discharging cells.***

**Orders placed with the discount code "COMEBACK22JR46" will no longer be accepted. We are sorry for the inconvenience**

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  • Order today to get by Jun 29-Jul 1
  • Returns & exchanges accepted within 30 days
  • Cost to ship: $5.97
  • Ships from: Lomita, CA

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Reviews for this item

What buyers say, summarized by AI: Great quality Helpful seller

4.6

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

(16 reviews)

4.8 Item quality
4.9 Shipping
4.8 Customer service
90% Buyers recommend
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5 out of 5 stars 5 This item

alex Jun 20, 2026

very good quality good performance

alex Jun 20, 2026

5 out of 5 stars 5 This item

alex Jun 20, 2026

good quality easy to program good low speed control and good drag break 😎👍🏻

alex Jun 20, 2026

5 out of 5 stars 5 This item

Etsy buyer Apr 20, 2026

Mother Nature will never stop tiny trucks 🫡 the patience was worth it

Etsy buyer Apr 20, 2026

5 out of 5 stars 5 This item

Etsy buyer Apr 19, 2026

Outstanding customer service and a great esc will be buying more in the future for my other trucks no tuning needed and very smooth throttle control.

Etsy buyer Apr 19, 2026

JRS3D
JRS3D ·

Los Angeles, California

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 4.7
·
82 sales
·
3 years on Etsy

Typically responds within a few hours

Typically responds within a few hours

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Listed on Jun 9, 2026