The Sequre Blueson A1 is a high-performance ESC offering an excellent price-to-performance ratio. It supports currents up to 65A and is compatible with 2–6S LiPo batteries, making it particularly suitable for high-power racing and freestyle drones. The ESC is equipped with a 32-bit AT32F421 processor and runs the modern AM32 firmware. It features mounting holes with a 20x20mm hole pattern and includes a built-in current sensor.