HAKRC HK3220 32Bit 65A 2-8S 20x20 4in1 ESC
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HAKRC’s BLHeli_32 3220 65A 4‑in‑1 brings big‑rig power to compact 20x20 builds, making it a killer option for aggressive 5" and hybrid racers who keep blowing up 30x30 stacks on punchouts. With 65A per channel on BLHeli_32 firmware and modern 32‑bit processing, it has the overhead to survive hot motors, heavy props, and repeated full‑throttle pulls in race conditions.
Key features
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65A per channel 4‑in‑1 ESC with plenty of current headroom for modern 2207–23xx motors on 5" race rigs.
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32‑bit BLHeli_32 firmware with hardware PWM for smoother throttle resolution, quieter operation, and full compatibility with DShot protocols.
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2–8S input range (check your build and FC rating) so you can run everything from standard 6S race builds to experimental high‑voltage setups.
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20x20mm mounting pattern with a compact 34 x 42 mm footprint to drop straight into modern slammed freestyle and race frames.
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High‑quality MOSFETs, thick multi‑layer copper PCB, and onboard capacitance designed to handle sustained load while keeping temps under control.
Performance and firmware
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BLHeli_32 feature set gives you access to 128k PWM, motor timing tuning, custom startup tones, and full telemetry support when paired with a compatible FC.
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Supports bidirectional DShot and RPM filtering when configured in your flight controller firmware, helping you run lower filters and higher P/D gains without desyncs.
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Damped light / active braking for crisp prop wash handling and faster throttle changes in tight tracks.
Build integration
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20x20 mounting makes it a clean stack partner for lightweight F4/F7 race flight controllers or AIO conversions where you want a separate high‑amp ESC.
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Standard motor pad layout and clearly labeled signal/ground pads to simplify wiring and minimize build time.
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Designed for FPV racing drones, but with enough overhead to be at home in toothy bando bashers and compact long‑range rigs that need reliability over grams.
