EMAX Mini Magnum 2 F4 35A Flytower 20x20mm 35A 2-6S BLHeli_32 4in1 ESC+F4 Flight Controller OSD+VTX


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Approx Restocking Date: 25 to 30 Days
SKU: 812603
  1. Stack Size: 20x20mm
  2. Flight Controller: F4 Flight Controller (OMNIBUSF4 Firmware)
  3. ESC: 4in1 BLHeli_32 35A ESC
  4. Supply Voltage: 2-6S lipo
  5. VTX: 25mW/200mW


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Brand: Emax
Category: Flight Controller & Accessories

The new 4in 1 EMAX Magnum Mini stack features F4 flight controller board OSD, MPU6000 gyro, connected via fast SPI. 


This 4in1 ESC has BLHELI_32 supporting 35A current rating. That huge Amp rate means you can use this mini-stack for 5″ quads! This stack supports from 3S up to today’s modern 6S batteries. This stack also has a VTX, that supports TBS Smart Audio control. VTX has selectable 25mw/200mw power levels.

Emax Emax Magnum Mini F4 7 Emax Emax Magnum Mini F4 5 Emax Emax Magnum Mini F4 4 Emax Emax Magnum Mini F4 2 Emax Emax Magnum Mini F4 1


Magnum Mini has a 20x20mm mounting pattern, but the lowest plate ins tack (4in1 ESC) size is 37x32mm because it has larger MOSFETs and two LowESR caps on board.

With all the electronics needed, assembled together in an accessible package, building a custom craft will only require a frame, camera, set of motors, and a compatible receiver.
The installation has never been easier, thanks to the universal form factor of the tower system”


F4 Flight Controller
  • (OMNIBUSF4 Firmware)
  • STM32F405 MCU
  • MPU6000 accelerometer/gyro (connected via SPI)
  • On-board OSD
  • On-board Buzzer
  • Integrated 5V/3A BEC
  • Dedicated PPM/ Sbus receiver input
  • 30x27mm board with 20mm mounting holes
35A BLHeli_32 ESC
  • Continuous current 35A ( max burst 40A)
  • Supply voltage 2-6S Lipo( 1700kv Motor LIMIT for 6S )
  • STM32F051K6U6 MCU
  • BLHeli_32 firmware,support DSHOT,MULTISHOT,ONESHOT125
  • Top quality MOSFET
  • 3oz high TG PCB board
  • 32x37mm board with 20mm mounting holes.
  • Current Sensor
  • Frequency band: 5658-5945MHz (FCC Compliant Channels / with HAM unlock)
  • SmartAudio support
  • Channel: 37
  • Transmit power: 13dBm/23dBm(25mW/200mW)
  • Supply voltage: 4.5V-5.5V
  • Antenna port: MMCX

Package Includes:

1 x EMAX Magnum Mini F4 stack

1 x XT60 Connector

2 x Silicone Wires for battery with heat shrink

4 x Mounting Screws

2 x VTX Antenna

SKU: 812603 Category:



Magnum Mini F4

Flight Controller

STM32F405 MCU (OMNIBUSF4 Firmware)

Required ESC (A)


VTX Power


Compatible LiPO Batteries



MPU6000 SPI Bus

Antenna Type


Stack Mounting Holes

20mm x 20mm

Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.02 kg
Shipping Dimensions 10 × 8 × 4 cm
3 Months Warranty

This item is covered with a standard supplier warranty of 3 months from the time of delivery against manufacturing defects only. This is a quality product & only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

User Manual

Questions and answers of the customers

    what motors will be suitable for this esc also wha... Read more
  1. 0 votes
    Q what motors will be suitable for this esc also what size lipo should be good for this answer now
    Asked by ankit.sunny2004 on February 20, 2022 10:30 am
    A You can choose motors under 1700kv for a 6S LiPo t... Read more
  2. What is the spacing between the holes to fix on th... Read more
  3. 0 votes
    Q What is the spacing between the holes to fix on the frames? answer now
    Asked by achuthram555 on December 20, 2020 5:07 pm
    A 20mm distance between holes on each side (this is ... Read more
  4. Is it 35A per motor output or a total of 35A which... Read more
  5. 0 votes
    Q Is it 35A per motor output or a total of 35A which will be divided to the 4 motors? answer now
    Asked by Karan Pradhan on November 26, 2020 5:49 pm
    A Total of 35A, which will be divided into 4 motors.
  6. Does this come pre-assembled or do I need to assem... Read more
  7. 0 votes
    Q Does this come pre-assembled or do I need to assemble it (and perform soldering etc.)? answer now
    Asked by kritikagrawal3dec on October 25, 2020 3:07 pm
    A You have to assemble
Only registered users are eligible to enter questions
Country Of Origin: China