Best Bambu AMS 2026: Which Multi-Material System Should You Buy?
Bambu sells four different AMS units across two printer families. The AMS Lite ($149) is for A1 series. The original AMS ($249) is the P1S/X1C standard. The AMS 2 Pro ($349) adds active drying for hygroscopic materials. The AMS HT ($249) is the only universal option with 85°C drying for engineering filaments. This guide ranks them by use case so you can buy once and not regret it.
Our Picks
Bambu Lab AMS 2 Pro
The AMS 2 Pro adds active drying to the proven 4-spool AMS architecture. PETG, nylon, and TPU stay print-ready continuously without swapping spools to a separate dryer. The redesigned cutter reduces purge waste 20-30% vs the original AMS, which adds up over multi-color prints. At $349, it's $100 more than the original AMS — worth it if you print anything beyond PLA. The dual humidity sensors and regenerable desiccant are quality-of-life upgrades that compound over years of ownership.
Bambu Lab AMS Lite
The AMS Lite is the cheapest entry into Bambu multi-color at $149 — half the price of any P1S/X1C-compatible AMS. Open-frame design means fast spool swaps and simple operation. Hard-locked to A1 / A1 Mini, so this is the obvious choice for A1 owners doing PLA multi-color. For PETG or nylon you'll want a separate dryer (SUNLU S2 ~$45) or upgrade to the AMS HT, but for the bread-and-butter PLA workflow most A1 owners actually run, the AMS Lite is enough.
Bambu Lab AMS HT
The AMS HT is the only Bambu AMS that works on the entire current lineup — A1, A1 Mini, P1S, P1P, X1C, X1E, and H2D. Universal compatibility makes it future-proof if you upgrade printers later. The 85°C drying ceiling is also the highest of any Bambu AMS, enabling PA-CF, nylon, and PC printing that the AMS 2 Pro's 65°C cap can't fully support. Single-spool only — for multi-color you still want a 4-spool AMS alongside it. The smart prosumer setup is AMS 2 Pro for everyday colors plus an AMS HT for one specialty engineering material.
Bambu Lab AMS
The original AMS at $249 is still the right buy if you primarily print PLA on a P1S or X1C. PLA is barely hygroscopic, so the AMS 2 Pro's active drying delivers little practical benefit. The $100 you save over the AMS 2 Pro can fund a SUNLU S2 dryer ($45) for occasional PETG runs, leaving $55 for filament. For PLA-heavy workflows in dry climates, the original AMS is genuinely the better value — and Bambu still sells it, signaling they don't expect everyone to upgrade.
Buying Guide
Which Bambu printer do you own?
This is the first filter and it's restrictive. A1 / A1 Mini owners can only use the AMS Lite or AMS HT — the original AMS and AMS 2 Pro physically don't connect. P1S / P1P / X1C / X1E / H2D owners can use any of the four (Lite excepted). Don't buy an AMS without confirming compatibility with your specific printer.
Do you need active drying?
Active drying matters for PETG, TPU, nylon, PA-CF, and PC. It's mostly irrelevant for PLA in dry climates (under 50% ambient RH). If you print exclusively PLA, save $100 with the original AMS or $200 with the AMS Lite. If you regularly print hygroscopic materials, active drying eliminates the swap-spool-to-dryer workflow and is worth the premium.
How many colors do you actually print?
Most multi-color prints use 4 colors or fewer. 8-16 colors is rare and usually overkill. If you don't have a specific 8-color project planned, start with one 4-spool AMS unit (AMS Lite, AMS, or AMS 2 Pro) and add more later if needed. The AMS HT is single-spool — for multi-color it's a complement to a 4-spool AMS, not a replacement.
What's your climate?
Humid climates (Florida, Southeast Asia, coastal areas) make active drying nearly mandatory for PETG, nylon, and TPU. Filament absorbs moisture in days. Dry climates (interior West, climate-controlled workshops) can get by with passive desiccant. If your indoor RH stays under 40% year-round, the original AMS or AMS Lite handles most workflows fine.
Do you plan to upgrade printers?
If you might switch from A1 to P1S/X1C in the future, the AMS HT carries forward (universal compatibility) while the AMS Lite becomes a desk ornament. If you're certain you'll stay on A1 or stay on P1S/X1C, buy the printer-specific AMS that matches. Universal flexibility costs about $100 vs the printer-specific options — worth it if upgrade plans are real.
Frequently Asked Questions
Which Bambu AMS is best for the A1 / A1 Mini?
AMS Lite ($149) for budget PLA multi-color. AMS HT ($249) if you need active drying for PETG, nylon, or PA-CF. The original AMS, AMS 2 Pro, and full AMS lineup are all incompatible with the A1 series — the connector and protocol are different.
Which Bambu AMS is best for the P1S / X1C?
AMS 2 Pro ($349) if you print PETG, nylon, or TPU regularly. Original AMS ($249) if you print mostly PLA in a dry climate. AMS HT ($249) as a complement if you also print PA-CF or nylon and want 85°C drying. Avoid the AMS Lite — it's A1-only.
Is the AMS 2 Pro worth $100 more than the original AMS?
Yes for hygroscopic filaments (PETG, nylon, TPU, PA-CF) — active drying eliminates a separate filament dryer and improves print quality. No for PLA-only users in dry climates — PLA doesn't benefit from active drying. See the full AMS vs AMS 2 Pro comparison for the detailed breakdown.
Should I get the AMS HT or AMS 2 Pro?
AMS 2 Pro for multi-color (4 spools, 65°C drying). AMS HT for engineering filaments or A1 compatibility (1 spool, 85°C drying). They're complementary, not competitive — many prosumer setups daisy-chain both. AMS 2 Pro for everyday colors, AMS HT for one PA-CF spool.
Can I daisy-chain different AMS models together?
Yes on P1S/P1P/X1C/X1E/H2D — original AMS, AMS 2 Pro, and AMS HT all use the same connection protocol. Mix and match up to 4 units for 16 colors total. NOT possible on A1 series (hardware-limited to one AMS Lite per printer).
What's the cheapest way to get multi-color Bambu printing?
Bambu A1 Mini ($199) + AMS Lite ($149) = $348 total. This is the cheapest multi-color Bambu setup. The A1 ($299) + AMS Lite ($149) = $448 if you want a larger build volume. P1S + AMS starts at $249 + $249 = $498 just for the AMS, before you add the printer.
Will any of the AMS units work with non-Bambu printers?
No. All Bambu AMS units (Lite, original, 2 Pro, HT) use proprietary connectors and protocols designed for Bambu printers only. They will not work with Prusa, Creality, Voron, or any other brand. For non-Bambu multi-color, look at the BTT M5C-Pro or 3DChameleon multi-extruder systems.