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If you only print PLA, PETG, and TPU: no. The A1 Mini or A1 are perfectly fine and cheaper. If you want to print ABS, ASA, or engineering materials: yes, you need the enclosure. Start with the P1S ($369), the cheapest enclosed Bambu, or the P2S ($549) for the newer, faster model.

Only if you're printing high-temp polymers such as PPS, or large warp-prone parts that need an actively heated chamber. The P2S caps at 300°C, and Bambu still lists PC and fiber-filled PA6, PAHT and PPA for it. The H2S's 350°C + 65°C chamber is for the engineering materials that genuinely need it.

The X1 Carbon was discontinued on 31 March 2026, so at this point you're only looking at remaining stock. Its successor, the X2D at $649, adds an active 65°C chamber and dual nozzle for far less money. The one thing the X1C keeps is Lidar, which the X2D does not have. Unless you find deep clearance pricing, buy the X2D instead.

4 colors covers most multi-color models and costs less (AMS Lite on A1/A1 Mini). If you want 8–16 colors for complex designs, you need the full AMS, which every current Bambu takes (the A1 and A1 Mini via the A Series AMS Hub). If you need two materials in one print without swapping them through a single nozzle: the H2D, H2C and H2D Pro have two nozzles, and the X2D pairs its main nozzle with an auxiliary one.

With the X1C now discontinued, the real choice at this budget is P2S vs X2D. The P2S is enclosed, 600 mm/s, and $549. The X2D adds an active 65°C chamber, dual nozzle, and up to 25 colors (AMS 2 Pro / AMS HT) for $100 more. Pick the P2S to save the $100, the X2D for the extra capability.

H2S if you're doing high-temp single-material engineering work. H2D if you specifically need dual-material printing (soluble supports, two switching nozzles) or the higher-power 40W laser. Both take the optional 10W laser and cutting module, so don't pay $350 extra at current street prices ($500 at typical prices) for the dual nozzle if you won't use it.