DJI Multi Rotor E300 15A ESC Replacement Electronic Speed Control for DJI Flame Wheel F330 F450 F550|speed boat radio control|speed motor controllerspeed control of stepper motor - AliExpress
DJI Original E300 Tuned Propulsion System Set (4 Pairs 9443 Propellers 4 x 15A OPTO ESC 4 x 920KV 2212 Motor Accessories Pack) for - TVs & Electronics - Cameras & Camcorders -
DJI released the tuned propulsion system E300 and E600