Phaetus Upgraded Hotend for Bambu Lab A1/A1 Mini/A2L
Phaetus Upgraded Hotend for Bambu Lab A1/A1 Mini/A2L
10 in stock
ETA:
- 90-Day Warranty
- 30-Day Return
- 7-Day Delivery
ETA:

Conch Hotend for A1/A1 Mini
Product Description
Phaetus Conch High Flow Hotend is a precision-engineered upgrade designed for Bambu Lab A2 A1 and A1 Mini 3D printers. This high-performance hotend significantly boosts volumetric flow rate, enabling faster high-speed printing while maintaining consistent extrusion and excellent print quality. Built with advanced thermal design and durable materials, it improves heat transfer efficiency, reduces heat creep, and supports reliable performance with a wide range of filaments. The drop-in installation ensures seamless compatibility with stock Bambu A1/A2/ A1 Mini setups, no modifications required. Ideal for makers seeking enhanced speed, reliability, and longer service life from their 3D printer hotend.
Why Upgrade to Bambu Hotend for A1/A1 Mini to Phaetus Conch?
Unleash the full potential of your Bambu A1/A1 Mini with the Phaetus Conch high-flow hotend—engineered for maximum performance and extreme durability.
Delivering 30 mm³/s flow and 320°C heat resistance, this drop-in upgrade outperforms stock while maintaining full quick-change compatibility.Choose EndCoat™ for 2.5x longer service life or Carbinite for extreme wear resistance, enabling reliable printing with everything from PLA to high-abrasive composites.
Featuring a titanium heatbreak, copper heater block, and rigid coupling system, this is the most robust and dependable hotend upgrade for Bambu A1/A1 Mini available.
Features & Requirements
- EndCoat™ and Plus SiC wear-resistant options provide a longer service life than conventional nozzles under abrasive printing conditions
- Designed for carbon-fiber-filled filaments and engineering plastics, helping maintain performance without rapid nozzle wear
- The optimized nozzle surface and geometry help reduce PETG buildup and upward curling around the nozzle tip
- Compatible with Bambu Lab’s original quick-swap hotend structure for fast, convenient replacement
- The M4 EndCoat™ version uses a separately replaceable nozzle, reducing long-term maintenance and replacement costs
- Choose M4 EndCoat™ in 0.2 / 0.4 / 0.6 / 0.8 mm or integrated Plus SiC in 0.4 / 0.6 mm
Product Specification
- Product Type: Hotend with Nozzle
- Nozzle Diameter Options: M4 EndCoat™ — 0.2 mm / 0.4 mm / 0.6 mm / 0.8 mm; Plus SiC — 0.4 mm / 0.6 mm
- Nozzle Material: M4 EndCoat™ — coated wear-resistant nozzle; Plus SiC — integrated silicon carbide nozzle with EndCoat™-coated heat break
- Flow Options: M4 EndCoat™ High Flow / Plus SiC High Flow
- Max Flow Rate — Up to 50 mm³/s under Phaetus test conditions
- Max Printing Temperature: 350℃
- Nozzle Replaceability: M4 EndCoat™ — Yes, the M4 nozzle is separately replaceable; Plus SiC — No, the silicon carbide nozzle is integrated
- Hotend Configuration: M4 EndCoat™ replaceable-nozzle hotend / Plus SiC integrated-nozzle hotend
- Package Includes: Selected hotend option with nozzle × 1; included tools and accessories depend on the selected option
Better Than Stock & Generic Bambu Hotend for A1/A1 Mini
Higher Flow: Stock Bambu Hotend (~24 mm³/s) → Phaetus Conch (30 mm³/s) – 25% faster printing
Longer Lifespan: 2.5×+ longer than standard hardened steel nozzles (EndCoat™) / extreme wear resistance (Carbinite)
Superior Heat Stability: Titanium heatbreak reduces heat creep vs stock
More Durable Structure: Rigid coupling minimizes impact damage (lower maintenance)
No Fit Issues: Exclusively designed for A1/A1 Mini (avoids P1/X1 compatibility mistakes)
Smoother Extrusion: Coated inner nozzle reduces clogs, blobs, and stringing
Better Filament Versatility: Handles industrial composites that wear out stock nozzles
Package Includes
For Conch M4 (EndCoat) Variant
1 × Phaetus Conch M4 Hotend (with pre-installed nozzle)
1 × Silicone hotend sock (CAUTION HOT)
1 × Instruction / tip card
1 × H7 open-end wrench
1 × H3 Allen wrench
For Conch Plus (Carbinite) Variant
1 × Phaetus Conch Plus Hotend (integrated nozzle, non-replaceable)
1 × Silicone hotend sock (CAUTION HOT)
1 × Instruction / tip card
Note: The H7 open-end wrench and H3 Allen wrench are only included with the Conch M4 (EndCoat) variant, as the Conch Plus features an integrated, non-replaceable nozzle and does not require nozzle removal tools.
Installation Guide
Get the Latest Bambu Gear from Call3D
Get the Latest Bambu Gear from Call3D
Get the Latest Bambu Gear from Call3D
Get the Latest Bambu Gear from Call3D
FAQs about Phaetus Upgraded Hotend for Bambu Lab A1/A1 Mini/A2L
Are the nozzles replaceable?
Yes, but it depends on the variant:
Conch M4 (EndCoat): Nozzle is fully replaceable.
Conch Plus (Carbinite): Nozzle is integrated (one‑piece) and cannot be replaced.
Will this Bambu Hotend work with other Bambu Lab printers like P1, X1, or P2S?
No, this Phaetus Conch Hotend (M4-A1 series) is only designed for Bambu Lab A1 / A1 Mini. It is NOT compatible with Bambu P1, P1S, P2, P2S, X1, or X1 Carbon series.
These machines use a different hotend mounting, size, and connector layout (M6-X1/P1 series).Please double-check the compatibility label on the product page and in the variant selection before purchasing.
What if the tool I purchased doesn’t meet my expectations?
If you’re not satisfied with your purchase, we offer a hassle-free return policy. Just contact our customer support team within 30 days, and we'll help you with the return or exchange process.
How can I track my order?
You will receive a YunExpress order number immediately after your order ships.Use this number to track the package from our warehouse to your destination country.
For the following countries, you will also receive a corresponding local tracking number.Please use the official website of the local carrier for real-time delivery updates:
- United States: USPS
- Germany & Netherlands: DHL
- United Kingdom: Evri
- Spain: CTT
- France: Colis Privé
For all other regions: Only a YunExpress tracking number will be provided (no local carrier tracking available).
How can I ensure that I'm purchasing the correct product?
You can check the compatibility information in our product filters or in the Features section of each item. If you’re still unsure which part is right for your printer model, feel free to contact our support team for confirmation.
Customer reviews
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Found this shop on Reddit, chatted with a real person about the P2S filter I needed. Asked if they could ship to SG, they checked and made it happen! Super happy because this filter is basically impossible to find locally and always out of stock everywhere else. Fast, friendly, and solved my problem perfectly. Will buy again!
Ok_Government_1125Hobbyist in Singapore -
Placed my order on February 3rd and received it on February 12th —only 7 business days! Shopping was easy, communication was great, and delivery times were really decent. Very happy with my purchase!
Brad BrockwayEngineering leader -
Bought a ventilation system but changed my mind last minute. I thought returns would be a huge hassle, but they told me there’s a return warehouse in Houston only about a 10-minute drive from where I live in Missouri City. Drove over and returned it super easily. Super convenient return process, great experience overall!
RayRobertProject manager
- 5 stars: 2 (67%)
- 4 stars: 0 (0%)
- 3 stars: 1 (33%)
- 2 stars: 0 (0%)
- 1 star: 0 (0%)
The product feels incredibly well-made compared to the original. I bought the version with the interchangeable nozzle and can’t wait to test it with carbon fiber materials.
Finally released! When the P series first came out, I was dying to get one. Can't wait to see how the printing turns out!
I've already swapped out the nozzle on my Bambu Lab for this one, and it feels like this nozzle can run fiber filaments daily until the machine kicks the bucket.
Phaetus Upgraded Hotend for Bambu Lab A1/A1 Mini/A2L
Phaetus Upgraded Hotend for Bambu Lab A1/A1 Mini/A2L
- Bambu A1/A2 Series
- Plain PLA
- Filled PLA (CF/Wood/Stone)
- ABS/ASA
- PETG
- Tough TPU (95A/64D)
- PA-CF/PPA-CF
- EndCoat™ and Plus SiC wear-resistant options provide a longer service life than conventional nozzles under abrasive printing conditions
- Designed for carbon-fiber-filled filaments and engineering plastics, helping maintain performance without rapid nozzle wear
- The optimized nozzle surface and geometry help reduce PETG buildup and upward curling around the nozzle tip
- Compatible with Bambu Lab’s original quick-swap hotend structure for fast, convenient replacement
- The M4 EndCoat™ version uses a separately replaceable nozzle, reducing long-term maintenance and replacement costs
- Choose M4 EndCoat™ in 0.2 / 0.4 / 0.6 / 0.8 mm or integrated Plus SiC in 0.4 / 0.6 mm
- Product Type: Hotend with Nozzle
- Nozzle Diameter Options: M4 EndCoat™ — 0.2 mm / 0.4 mm / 0.6 mm / 0.8 mm; Plus SiC — 0.4 mm / 0.6 mm
- Nozzle Material: M4 EndCoat™ — coated wear-resistant nozzle; Plus SiC — integrated silicon carbide nozzle with EndCoat™-coated heat break
- Flow Options: M4 EndCoat™ High Flow / Plus SiC High Flow
- Max Flow Rate — Up to 50 mm³/s under Phaetus test conditions
- Max Printing Temperature: 350℃
- Nozzle Replaceability: M4 EndCoat™ — Yes, the M4 nozzle is separately replaceable; Plus SiC — No, the silicon carbide nozzle is integrated
- Hotend Configuration: M4 EndCoat™ replaceable-nozzle hotend / Plus SiC integrated-nozzle hotend
- Package Includes: Selected hotend option with nozzle × 1; included tools and accessories depend on the selected option