SKU: 33402308305

Hobbywing XRotor 4in1 ESC for FPV Racing - Micro 45A AM32 DShot1200(2-6s) 20x20mm

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Description

Hobbywing XRotor 4in1 ESC for FPV Racing - Micro 45A AM32 DShot1200(2-6s) 20x20mmHOBBYWING XRotor FPV G2 45A 4in1 and XRotor FPV G2 65A 4in1 are highly integrated, high performance electronic speed controllers for FPV racing drones. This firmware upgrade replaces the legacy BLHeli 32 with the latest AM32 firmware, bringing advanced features and comprehensive functionality. FPV drone pilots can tune ESC parameters and complete firmware updates via multiple methods, including throttle signal cable, development board, and Betaflight

HOBBYWING XRotor FPV G2 45A 4in1 and XRotor FPV G2 65A 4in1 are highly integrated, high-performance electronic speed controllers for FPV racing drones. This firmware upgrade replaces the legacy BLHeli-32 with the latest AM32 firmware, bringing advanced features and comprehensive functionality. FPV drone pilots can tune ESC parameters and complete firmware updates via multiple methods, including throttle signal cable, development board, and Betaflight-compatible flight controllers.

The new Hobbywing 45A 20*20 4in1 ESC comes with the same reliability of the bigger version Xrotor 60A 4in1 in a smaller foot print and 20mm mounting pattern making it one of the best options for ultralite race frames like the Floss 3.0 lite.
We witnessed this ESC being punished first hand by the French Champion Killian at the WDC race in Turkey.
This thing is SOLID!
We also carry full stacks from Hobbywing, check the full line HERE.

Pairs perfectly with the new Hobbywing F7 Flight Controller!

By adopting the open-source AM32 firmware, the XRotor FPV G2 45A & 65A 4-in-1 ESCs benefit from faster update cycles and continuous feature expansion, compared to the closed-source BLHeli-32 firmware. Besides, enhanced compatibility and stability gain ensure exceptional and consistent performance for FPV drone racing.

Higher Power, No Load Worries

The AM32 firmware enables ESCs of the same specifications to sustain higher power output, handling high-load scenarios with ease and providing stronger power support.

Precision Tuning, Quicker Throttle Response

The motor KV value can be entered on the tuning page to finely adjust the motor's response speed and low-RPM acceleration, ensuring more precise control.

XRotor FPV G2 45A & 65A electronic speed controllers adopt next-generation 32-bit ARM F4 MCU running at 120 MHz for ultra-fast computation. In further, these ESCs support variable PWM Refresh Rate from 48 kHz to 96 kHz with dynamic auto-adjustment, delivering smoother throttle control.

Highly integrate four high-performance ESCs in one, XRotor FPV G2 45A & 65A ESCs feature built-in voltmeter which allows flight controllers to monitor the amp and voltage in real time.  The shock-absorbing design of mounting holes effectively reduces the external vibration’s impact on high-sensitivity components and provides great shock-absorbing protection to upper devices (i.e. FC).

Features:

  • High-performance next-generation 32-bit ARM F4 MCU running at 120 MHz for ultra-fast computation.
  • open-source AM32 firmware
  • All codes use damped light mode. Damped light does regenerative braking, causing very fast motor retardation, and inherently also does active freewheeling.
  • The code supports features to prevent sync loss. There are tunable parameters that can make the code run well even in the most demanding situations, although default settings will work excellently in normal operating environment
  • The code supports regular 1-2ms pulse width input, as well as Oneshot125 (125-250us), Oneshot42 (41.7-83.3us) and Multishot (5-25us).
  • Dshot signaling is supported at any rate up to at least Dshot1200. The input signal is automatically detected by the ESC upon power-up.
  • The code also supports a beacon functionality, where the ESC will start beeping after a given time of zero throttles. This can be very useful for finding lost crafts.


Specifications:

  • Model: XRotor 45A 4in1 (20x20) BLHeli-32 DShot1200
  • Application: FPVs with 130-280mm Diagonal Wheelbase
  • LiPo Power input: 3S-6S
  • Cont.Current: 45Ax4
  • Burst Current: 60Ax4
  • BEC Output: NO
  • Input wires: Red-14AWG-100mm/ Black-14AWG-100mm
  • Output Wire: No wires but solder tabs
  • Connectors (In/Out): XT60 plug enclosed with package.
  • Weight/Size: 12g/40x33x5mm
  • Mounting Pattern: 20x20mm
  • Firmware: Hobbywing_XRotor_BLHeli-32 Version
  • Throttle Calibration: Supported
  • ESC Programming: Stick Programming, BLHeliSuite32
  • DEO: Supported
  • OneShot Mode: Supported
  • Timing: Supported
  • Motor Rotation: Supported

 

Download the Manual Here


Package Includes:

  • 1 x Hobbywing Xrotor 45A 4-in-1 (20x20) AM32 DShot1200 ESC

Shipping Notes
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SKU: 33402308305

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MISTY C.
Pawtucket, US
★★★★★ 5
Great buy
Format: Paperback
Good read.
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Reviewed in the United States on May 28, 2026
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Jenna H
Port Orchard, US
★★★★★ 4
Good discussion book to eliminate conflict between couples
Format: Kindle
Use this book as a checklist of things you should discuss with your partner - especially if you're considering or are in a long-term relationship. It explains each topic, why it's a likely source of conflict, how to prevent the conflicts, and includes questions for discussion between partners. Understanding and discussing these topics may not feel romantic and fun, and some of the conversations may be challenging for couples who aren't accustomed to such discussions. Do it anyway though because it will eliminate future conflicts before the conflicts even begin and make your relationship run smoother, last longer, and be a source of relaxation and contentment for you both. I'm speaking from experience here. If you are new to the study of this topic, this book will be extremely valuable for you. If you've already studied interpersonal relationships, preemptive conflict resolution, and collaborative negotiation tactics, it's still a great checklist of topics to discuss with your partner. I'm on this end of the spectrum, hence 4 of 5 stars because I'm familiar with the author's other work and this book didn't contain much new content. As a compact, all-in-one, relationship discussion guide though, it's great and worth reading and having on hand for future reference for new relationships or for when new conflicts crop up.
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Reviewed in the United States on March 3, 2018
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Johanna
Lowell, US
★★★★★ 5
Easy to read
Format: Paperback
Very interesting book!
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Reviewed in the United States on April 20, 2026
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Susan
Port Orchard, US
★★★★★ 5
Great for Everyone!
Format: Paperback
This book is very useful to prepare people for marriage and I would recommend it for teens (even if they're not in a relationship), engaged couples, and even those already married since this provides realistic information about love and that not everything in a relationship is easy. It also helps people understand and attempt to loosely preset chores around the house and understand what to do with the extra money earned that isn't needed for bills. While I was already aware and have read about the 5 love languages, that is only briefly covered in one chapter while the rest provides other information so if you already read the 5 Love Languages book understand that there is a lot more involved in this book than that concept. The concept that I want to highlight in this book that I haven't read about before was the 5 Different Ways to Apologize. Increasingly, I think people need to be aware that what we consider to be a 'sincere apology' isn't necessarily the same as everyone else's though there are 5 of them that are fairly common. I was surprised when I found what I thought to be a sincere apology was listed word-for-word! This concept alone can be applied to anyone you socialize with and I especially recommend this piece if you are having apology problems between your friend, significant other, coworkers, and/or boss. Teens and those single will be able to learn a lot from this book, especially to realize that people, on average, are no longer "falling in love" within two years of the relationship and I think this would help them understand that relationships take a lot of work even when it's not convenient for you. Giving them an understanding of how to be flexible when apologizing and to know that people feel loved according to different love languages will make them more aware of how to improve their friendships and relationships in the future. Finally, there is reinforcement in being willing to do chores even if they're not popular and generally establishing healthy spending habits. I personally found this book to be thrilling and Gary Chapman successfully backs up some of his findings with Psychological research and definitions. I loved it so much that I read it in one sitting and now I'm getting my teen friends and budding couples into reading it. Awesome book; give it a try if you haven't already! (:
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Reviewed in the United States on June 30, 2016
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Jane Sen Gupta
Fort Morgan, US
★★★★★ 5
I love this!
Format: Paperback
This is a different type of marriage book. It’s very practical and addresses topics will affect you marriage that you can discuss beforehand. Many of these things get figured out along the way by way of arguments and disagreements or worse, just acquiescing without agreeing. (10 years later this is the reason you’re getting divorced and you haven’t ever talked about it. The other person has no idea & you never trusted them enough to tell them your feelings.). These topics range from who is going to clean the toilet to handling money and marrying into another family. It’s good practical thought and food for discussion. As the first chapter says “Being in love is not is not an adequate foundation for a successful marriage.”
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Reviewed in the United States on November 25, 2024

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