Sub250 Redfox A1 F4 5A 4in1 1S AIO Flight Controller for Whoopfly16/ Nanofly16 and Nanofly20 - Choose Version
SKU: 6923502124

Sub250 Redfox A1 F4 5A 4in1 1S AIO Flight Controller for Whoopfly16/ Nanofly16 and Nanofly20 - Choose Version

Sale price$69.29 Regular price$76.99
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  • USA
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

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Description

Sub250 Redfox A1 F4 5A 4in1 1S AIO Flight Controller for Whoopfly16/ Nanofly16 and Nanofly20 - Choose VersionSub250 Redfox A1 F411 5A 4in1 1S AIO Flight Controller for Whoopfly16 Nanofly16 and Nanofly20 comes in 2 versions, without VTX suitable for Digital HD builds and with 200mw VTX for Analog builds. Choose the right package for your needs. Whether you prefer a Digital HD build or an Analog build, we have a version that will work for you. Check out all our Whoop Style AIO Flight Controllers and the rest of our Sub250 Products! Redfox A1 F4 5A Update Log:

Sub250 Redfox A1 F411 5A 4in1 1S AIO Flight Controller for Whoopfly16/ Nanofly16 and Nanofly20 comes in 2 versions, without VTX suitable for Digital HD builds and with 200mw VTX for Analog builds. Choose the right package for your needs. Whether you prefer a Digital HD build or an Analog build, we have a version that will work for you.

Check out all our Whoop Style AIO Flight Controllers and the rest of our Sub250 Products

Redfox A1 F4 5A Update Log:
1. The flight control firmware is updated to 4.4
2. Elrs (SPI) is updated to 3.0 firmware
3. The ESC firmware can be refreshed to BLS firmware

Specifications:

  • MCU: STM32F411
  • IMU: ICM42688-P
  • OSD: BetaFlight OSD w/AT7456E chip
  • ESC: Bluejay O-H-5 96K
  • Receiver Version: ELRS2.4G (SPI)
  • VTX: 5.8G 200mW ( only for the VTX/Analog version )

Download The Manual Here

Package Includes:

  • 1 x Redfox A1 flight controller
  • 4 x m2 shock-absorbing rubber balls
  • 1 x 5.8G antenna (70mm)
  • 1 x GNB27 power cable
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 6923502124

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PPeter
Cuba, US
★★★★★ 1
Too large. Correct size not depicted.
SIZE 10-14... Too large. Product details says "Regular" size. Returning.
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Reviewed in the United States on March 16, 2026
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Stacey Lovejoy
Belleville, US
★★★★★ 2
Too big
The one size fits all was too big for me.
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Reviewed in the United States on March 10, 2026
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Bibiana colon
Lake Worth, US
★★★★★ 5
Medias
Size: One Size, Color: (403) Washed Navy / White / Halo Gray
Muy buenas, cómodas me encantaron
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Reviewed in the United States on April 5, 2026
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K M
Louisville, US
★★★★★ 5
Excellent sport sock!
Size: One Size, Color: (100) White / White / Halo Gray
Molds onto foot, super soft and breathable. A lot of my ankle socks tend to slip or cut off blood circulation. This one literally is a perfect fit. No slip. After playing hours of tennis every week, my feet don't feel sore or bruised. Must buy!
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Reviewed in the United States on October 9, 2025
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Placeholder
Charlottesville, US
★★★★★ 5
Comfort!
Size: One Size, Color: (100) White / White / Halo Gray
Very comfortable! Thinner than the picture shows, but I like the fact that they are no show but still higher in the back and front to protect my heels and such.
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Reviewed in the United States on September 6, 2025

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