Steelcase Amia Office Chair, Black Fabric, Carpet Casters vs Steelcase Karman Mesh Office Chair, Merlot Intermix, Seagull frame
These are side-by-side facts taken from each product guide: published specifications, strengths and caveats as their sources state them. This page is not a test, a ranking or a verdict about which model is better.
Steelcase Amia Office Chair, Black Fabric, Carpet Casters
People who want a manual-adjust task chair with hidden lumbar support
Amia pairs Steelcase's hidden LiveLumbar support with seat height and depth, recline tension, an upright lock and 4D arms. Steelcase lists style 4821410 at 16 to 21 inches of seat height and a 400-pound rating. The listing's weight and warranty figures differ from Steelcase's, and warranty cover depends on an authorised seller.
Published specifications
- Steelcase style 4821410; listing model and part 4821410
- Seat height 16-21 in; width 26.625 in; height 37.25-42.5 in
- Controls: seat height and depth, recline tension, upright lock
- LiveLumbar height-adjustable lower-back support; 4D arms
- Rated to 400 lb (Steelcase page and hang tag)
- Weight 48 lb (Steelcase) vs 54.5 lb (listing)
Strengths
- Listing model number matches Steelcase's own style number
- Hidden height-adjustable LiveLumbar plus 4D arms
- 400-pound rating agreed by Steelcase and the listing
Caveats
- Style 4821410 also appears as the armless Amia in Steelcase data
- Five-year listing warranty conflicts with Steelcase's lifetime terms
- Consumer warranty needs an authorised Steelcase retailer
Read the full Steelcase Amia Office Chair, Black Fabric, Carpet Casters guide
Steelcase Karman Mesh Office Chair, Merlot Intermix, Seagull frame
People who want few controls and fit a fixed seat depth
Karman uses a woven Intermix back and a hybrid suspension seat with built-in cushioning. There is one comfort dial with four settings, 4D arms, and no seat-depth adjustment. The sliding lumbar is optional and this listing does not say whether it is fitted. Steelcase publishes no weight rating we could find.
Published specifications
- Listing: model Karman, UPC 724274003825; colour Merlot
- Maker: fixed seat depth; hybrid suspension seat with integrated cushioning
- Maker: one comfort dial, four settings including mid-stop and upright lock
- Maker: built-in lumbar; sliding lumbar optional; no headrest option
- Listing: 29.5 D x 32.5 W x 29.5 H in, 47 lb; no assembly required
- Maker: Limited Lifetime warranty; retail buyers fall under a consumer warranty
Strengths
- One dial handles both tension and recline, with four settings
- 4D arms that raise, lower, pivot and shift
- Seat combines suspension and cushioning, with flexing edges
Caveats
- Seat depth is fixed and cannot be adjusted
- Listing does not say whether the optional sliding lumbar is fitted
- No weight rating published by Steelcase or the listing
Read the full Steelcase Karman Mesh Office Chair, Merlot Intermix, Seagull frame guide
How to choose between them
Choose the Steelcase Amia Office Chair, Black Fabric, Carpet Casters if your situation matches: People who want a manual-adjust task chair with hidden lumbar support. Its main caveat: Style 4821410 also appears as the armless Amia in Steelcase data.
Choose the Steelcase Karman Mesh Office Chair, Merlot Intermix, Seagull frame if your situation matches: People who want few controls and fit a fixed seat depth. Its main caveat: Seat depth is fixed and cannot be adjusted.
Both entries repeat what each guide records. Confirm the model, included parts and availability on the current listing before ordering.
Primary sources
- Steelcase Amia and Amia Air product page, with style 4821410 specifications Source for Steelcase Amia Office Chair, Black Fabric, Carpet Casters
- Steelcase Amia hang tag, served as the Amia user guide (maker PDF) Source for Steelcase Amia Office Chair, Black Fabric, Carpet Casters
- Steelcase 482 Amia height adjustment handle installation sheet (maker PDF on the listing) Source for Steelcase Amia Office Chair, Black Fabric, Carpet Casters
- Steelcase Limited Lifetime Warranty for the Americas, updated June 2026 Source for Steelcase Amia Office Chair, Black Fabric, Carpet Casters and Steelcase Karman Mesh Office Chair, Merlot Intermix, Seagull frame
- Steelcase store FAQs, including the consumer warranty answer Source for Steelcase Amia Office Chair, Black Fabric, Carpet Casters and Steelcase Karman Mesh Office Chair, Merlot Intermix, Seagull frame
- Steelcase Karman product page Source for Steelcase Karman Mesh Office Chair, Merlot Intermix, Seagull frame
- Steelcase store Karman page with adjustment questions and answers Source for Steelcase Karman Mesh Office Chair, Merlot Intermix, Seagull frame
Primary sources checked .