逐项兼容结论
Insta360 X3 Insta360 X Series USB-C Cable
已确认Insta360 X3 Insta360 Bullet Time Cord
已确认Insta360 X3 Insta360 Bullet Time Accessory
已确认Insta360 X3 Insta360 X Series Cold Shoe
已确认Insta360 X3 Insta360 X Series Upgraded Invisible Mic Cold Shoe (for RØDE Wireless GO)
已确认Insta360 X3 Insta360 X5 / X4 Air Invisible Mic Cold Shoe (for RØDE Wireless GO)
不兼容Insta360 X3 Insta360 X5 / X4 Air Quick Reader
不兼容Insta360 X3 Insta360 X4 Quick Reader
不兼容Insta360 X3 Insta360 X3 Quick Reader
已确认Insta360 X3 Insta360 X5 Utility Fast Charge Case
不兼容Insta360 X3 Insta360 X4 Air Utility Fast Charge Case
不兼容Insta360 X3 Insta360 X4 Fast Charge Hub
不兼容Insta360 X3 Insta360 X3 Fast Charge Hub
已确认Insta360 X3 Insta360 X2 Fast Charge Hub
不兼容Insta360 X3 Insta360 X5 Thermo Grip Cover
不兼容Insta360 X3 Insta360 X4 Thermo Grip Cover
不兼容Insta360 X3 Insta360 X5 Standard Lens Guard
不兼容Insta360 X3 Insta360 X4 Air Standard Lens Guard
不兼容Insta360 X3 Insta360 X5 Premium Lens Guard
不兼容Insta360 X3 Insta360 X4 Air Premium Lens Guard
不兼容Insta360 X3 Insta360 X4 Premium Lens Guard
不兼容Insta360 X3 Insta360 X3 Premium Removable Lens Guard
已确认Insta360 X3 Insta360 X5/X4 Lens Cap
不兼容Insta360 X3 Insta360 X3 Lens Cap
已确认Insta360 X3 Insta360 X2 Lens Cap
不兼容Insta360 X3 Insta360 X5 Invisible Dive Case Pro
不兼容Insta360 X3 Insta360 X5 Invisible Dive Case
不兼容Insta360 X3 Insta360 X4 Air Invisible Dive Case
不兼容Insta360 X3 Insta360 X4 Invisible Dive Case
不兼容Insta360 X3 Insta360 X3 Invisible Dive Case
已确认Insta360 X3 Insta360 X5 Mic Windshield
不兼容Insta360 X3 Insta360 X4 Air Mic Windshield
不兼容Insta360 X3 Insta360 X4 Mic Windshield
不兼容Insta360 X3 Insta360 X3 Mic Windshield
已确认Insta360 X3 Insta360 X5 Utility Frame
不兼容Insta360 X3 Insta360 X4 Air Utility Frame
不兼容Insta360 X3 Insta360 X4 Utility Frame
不兼容Insta360 X3 Insta360 X3 Utility Frame
已确认Insta360 X3 Insta360 X5 Foldable Utility Handle
不兼容Insta360 X3 Insta360 X4 Foldable Utility Handle
不兼容Insta360 X3 Insta360 X5 / X4 Air Mic Adapter
不兼容Insta360 X3 Insta360 X4 Mic Adapter
不兼容Insta360 X3 Insta360 X3 Mic Adapter
已确认Insta360 X3 Insta360 Mic Adapter (Vertical Version)
不兼容Insta360 X3 Insta360 X5 Carry Case
不兼容Insta360 X3 Insta360 X4 Air Carry Case
不兼容Insta360 X3 Insta360 X4 Carry Case
不兼容Insta360 X3 Insta360 X3 Carry Case
已确认Insta360 X3 Insta360 X5 Screen Protector
不兼容Insta360 X3 Insta360 X4 Air Screen Protector
不兼容Insta360 X3 Insta360 X4 Screen Protector
不兼容Insta360 X3 Insta360 X3 Screen Protector
已确认Insta360 X3 Insta360 X5 Cooling Screen Protector
不兼容Insta360 X3 Insta360 X4/X5 Dive Case Anti-Fog Insert
不兼容Insta360 X3 Insta360 X5 Water Sports Rope Mount
不兼容Insta360 X3 Insta360 X4 Air Water Sports Rope Mount
不兼容Insta360 X3 Insta360 X4 Water Sports Rope Mount
不兼容Insta360 X3 Insta360 X3 Water Sports Rope Mount
已确认Insta360 X3 Insta360 X5 All-Weather USB Charging Cover
不兼容Insta360 X3 Insta360 X4 Air All-Weather USB Charging Cover
不兼容Insta360 X3 Insta360 X5 / X4 Air Vertical-Horizontal Mount
不兼容Insta360 X3 Insta360 X4 Vertical-Horizontal Mount
不兼容读卡、充电与镜头防护分别检查
X3 列支持 X3 Quick Reader、X3 Fast Charge Hub 与 X3 Lens Cap，具名 X4 读卡器和充电座不支持。只按“X 系列”购买会漏掉这些区别。
X3 Premium Removable Lens Guard 也被列为支持。这是某款明确保护配件的结论，不代表仅以外形相近相机作为适配描述的保护镜同样兼容。
共享配件需要明确依据
X Series USB-C Cable 与 X Series Cold Shoe 支持 X3；面向 RØDE Wireless GO 的 X Series Upgraded Invisible Mic Cold Shoe 也被列为支持。应保留完整冷靴名称，不要与其他麦克风转接头或支架混认。
矩阵记录的是厂商对这些项目的支持声明，不是对每个第三方替代件的实测。没有列出的商品仍需另行确认兼容性。