The GX-9901-DX Gundam Double X is a mobile suit from After War Gundam X, piloted by Garrod Ran. Reverse-engineered from the original Gundam X by New United Nations Earth engineers, it roughly doubles its predecessor's capabilities and adds new solar panels to boost microwave energy absorption.
- Manufacturer: Bandai
- Scale: 1/144
- Grade: High Grade After War (HGAW)
- Skill level: 3, no cement or painting required