Bambu Lab's P1S Combo 3D printer is $479, $70 below Amazon's typical price

Bambu Lab's P1S Combo is available for $479 at Amazon in the US, bringing the enclosed 3D printer and its Automatic Material System into one package. Amazon compares that price with its $549 typical price, a difference of $70.

The useful part of this bundle is the included AMS. It can hold four filament spools and switch between them during a print, so you can work with multiple colours without manually feeding a new spool each time.

When I checked, the new combo was in stock, sold by Bambu Lab Store and shipped by Amazon. The displayed price did not require a coupon or Prime membership, and Amazon offered free standard delivery to New York; delivery options can vary by address.

A P1S pictured during Tech Advisor’s setup. The surrounding items are illustrative. Image: Jim Martin / Foundry via Tech Advisor

The included AMS can handle four spools

There is a reason to look carefully at the word "Combo" before ordering. Bambu also sells the P1S as a standalone printer, but that version does not include the AMS. If automatic colour changes matter to your projects, the bundle gives you that hardware from the start.

One AMS has four slots. Bambu says up to four AMS units can be connected through an AMS Hub for 16 colours, so the single unit in this deal should not be mistaken for a 16-spool bundle. Extra units and the hub would add to the cost. The supplies pictured in the review photographs are illustrative; check the retailer's package contents before buying.

Colour changes are not the only use for it. You can load compatible materials and let the system manage filament changes, which is convenient for longer projects. I would still check Bambu's compatibility guidance before filling every slot with whichever spools you already own. Tech Advisor's review also notes that colour changes can add print time and produce waste filament.

The original AMS has four filament slots. Image: Jim Martin / Foundry via Tech Advisor

The P1S gives you an enclosed print area

The P1S Combo quick-start guide lists a 256 x 256 x 256mm build volume and a maximum toolhead speed of 500mm/s. That is the machine's stated maximum, not a promise that every model will print at that speed.

The enclosed printer also offers automatic bed levelling. Bambu lists common materials including PLA, PETG, ABS and ASA, but the right setup depends on the material. Check the manufacturer's guidance and ventilation requirements before printing.

There is an important AMS limitation: Bambu's guide warns against feeding soft filament such as TPU through the AMS because it can jam. If flexible filament matters to you, check the printer's direct-feed instructions instead of assuming every material can use the automatic feeder.

Filament spools shown in an AMS for illustration. Image: Jim Martin / Foundry via Tech Advisor

What the $70 saving actually compares

Amazon calls $549 the typical price for this listing. That makes the current $479 price $70 lower than that comparison, but it does not tell us the exact price immediately before the deal. 9to5Toys reported the combo at $479 on October 28, so it has been available at this price before.

If you want the automatic feeder, check that Amazon's selected option still says P1S Combo with AMS and shows the same seller and price. The standalone printer and newer AMS bundles are separate choices, and their prices can differ.

Image credit: Jim Martin / Foundry via Tech Advisor.

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