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The DYS XS30A is the newest revision of both hardware and software offered. Taking their design from the popular SN20A, DYS focused on many hours of research and development to bring a high end, cost affective, performance oriented ESC to their line up. 

Flashed from the factory with a BLHeli_S Bootloader and firmware, allows for a familiar environment for firmware updates, and quick changes on various settings available. 


  • Item Name: XS30A Solder Version
  • Input voltage: 3-6s Lipo
  • BEC: NO
  • Type:BLHeli Bootloader & BLheli_S Firmware
  • Weight: 8.65g
  • Size: 45 16.5 5.8mm
  • Feature: Silabs EFM8BB2
  • Includes protective case/cover

Note: Uses A-H-30 BLHeli firmware


  • BLHeli_S ESC with Hardware generated PWM synchronous to MCU yields ultra-quiet motor performance.
  •  Utilizes high-performance EFM8BB2 50MHz MCU
  •  Weight: 8.65g
  •  Size(mm)L W: 45 16.5 5.8
  •  BLHeli_S does Damped Light only
  •  Firmware upgradable via signal wire (works with USB Linker for XM series)
  •  Supports Motors with super high KV (EFM8BusyBee 50MHz can handle up to 500k eRPM)
  •  Supports 1-2ms signal, Oneshot125, Oneshot42 and Multishot.
  •  High-current burst rating
  •  High-Resolution Throttle steps