The Quantum X2 is a new-generation wheeled humanoid robot developed by X Square Robot (自变量机器人). It is powered by the company’s proprietary end-to-end embodied-AI foundation model WALL-A at a billion-parameter scale.
The robot has a humanoid upper body on a wheeled mobile platform and provides 24 total degrees of freedom, including 3 torso DOF and 3 chassis DOF. It features an integrated 15-DOF dexterous hand (end effector) and achieves ±2 mm repeatability.
Its sensor suite includes 2D LiDAR, ultrasonic sensors, an RGB-D camera, 3D-ToF, single-point ToF and infrared, supporting perception and navigation. For precise manipulation the robot can use the five-finger ArtiXon Hand.
The Quantum X2 is intended for manipulation and mobile tasks in scenarios such as home services, scientific research, commercial cleaning and logistics sorting.
Degrees of freedom across body segments