The MicoAir 55A ESC (specifically the MicoAir AM32-4IN1-55A) is a high-performance 4-in-1 electronic speed controller designed for 5-inch FPV freestyle and racing drones. It features advanced 32-bit architecture, AM32 firmware for precise motor control, and supports high-voltage setups.

• 32-Bit AM32 Firmware: Provides highly precise performance control, smooth operation, and fast response times.
• Robust Power Handling: Built with 40V MOSFETs and thick 2oz copper PCB for excellent heat dissipation and high current handling.
• Dual Mounting Formats: Compatible with both 30.5mm x 30.5mm and 20mm x 20mm mounting stacks.
• Efficient Design: 48KHz PWM frequency helps improve motor efficiency and reduces heat.
• Built-in Current Sensor: Includes a pre-calibrated current sensor (12.75mV/A) for accurate battery monitoring.

• Model: MicoAir 55A 2-6S AM32 32Bit 4in1 ESC
• Input Voltage: 2-6S LiPo
• Continuous Current: 55A per channel
• Burst Current: Not explicitly listed (high-performance 55A sustained)
• Firmware: AM32_F4A_4IN1_F421_2.17
• Protocol: PWM/DShot300/600, supports Bidirectional DShot
• MOSFET RDS(on): 0.75mΩ (ultra-low resistance)
• Mounting Holes: 20x20mm (M3/M2) and 30.5x30.5mm (M3/M4)
• Dimensions: 44 x 43.5 x 5.2 mm
• Weight: 14g
• Connector: SH1.0-8P.