Original price was: $79.80.$69.80Current price is: $69.80.
The SpeedyBee 55A V4 ESC is built for endurance and power. With a continuous 55A rating and a 280A burst capacity, it provides the punch needed for racing and freestyle. The upgraded PCB design and integrated protection components make it one of the most durable BLHeli_S ESCs on the market, perfectly matched with any F405 or F7 flight controller.
The SpeedyBee OX32 55A 4-in-1 ESC represents a new era in flight performance. Powered by the proprietary OX32 architecture, this 32-bit FPV ESC delivers a significant leap in efficiency and thermal management compared to traditional systems. Designed for professional pilots, the SpeedyBee OX32 ESC provides a stable 55A continuous current, supporting 3-6S LiPo power for aggressive freestyle and racing maneuvers.
As a critical component of high-end Racing Drone Electronics, this 55A 4-in-1 ESC utilizes advanced MOSFETs and an optimized PCB layout to handle high-current loads without breaking a sweat. The OX32 Firmware ESC supports high PWM frequencies up to 32kHz, ensuring an ultra-smooth throttle feel and precise motor synchronization. With its built-in TVS protective diode and standard 30.5x30.5mm mounting pattern, the SpeedyBee OX32 is the perfect choice for anyone looking to build a reliable, high-performance racing rig with the latest technology.
| Product Name | SpeedyBee BLS 55A 30×30 4-in-1 ESC |
| Firmware | BLHeli_S J-H-40 |
| PC Configurator Download Link | https://esc-configurator.com/ |
| Continuous Current | 55A * 4 |
| Burst Current | 70(10 seconds) |
| TVS Protective diode | Yes |
| External Capacitor | 1000uF Low ESR Capacitor(In the package) |
| ESC Protocol | DSHOT300/600 |
| Power Input | 3-6S LiPo |
| Power Output | VBAT |
| Current Sensor | Support (Scale=400 Offset=0) |
| ESC Telemetry | Not supported |
| Mounting | 30.5 x 30.5mm( 4mm hole diameter) |
| Dimension | 45.6(L) * 44(W) *8mm(H) |
| Weight | 23.5g |
Build_&_Crash24/7 Technical Support
Free Worldwide Shipping
Certified High-Performance
— HIGH-PERFORMANCE FPV ELECTRONICS —
© 2026 WYECS Store All Rights Reserved.
Subscribe to our newsletter
Get the latest updates on new products and upcoming sales
— HIGH-PERFORMANCE FPV ELECTRONICS —
© 2026 WYECS Store All Rights Reserved.
Subscribe to receive new arrivals, restocks, and limited-time offers.