Sleek, aerodynamic lines give the Amplify collection power, with a modern look and sumptuous comfort. Midback and highback mesh and highback upholstered chairs are available in multiple frame, arm and base colors. Amplify offers more built-in features than any other chair in its class, with enhanced synchro, height adjustable arms and adjustable lumbar support all standard. The curvaceous profile and vast array of options make this a chair that delivers style as well as substance.


Amplify highback task chairs, SitOnIt Seating Sonnet Denim, upholstered seat


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Amplify highback task chairs, Momentum Telegram Celery, apple mesh, fog frame, fixed arms

  • Midback or highback mesh or upholstered highback
  • Aerodynamic design
  • Multiple frame, back support and arm color choices
  • Adjustable lumbar support
  • 10 bleach-cleanable mesh back colors
  • Contrast stitching in 10 thread colors
  • Enhanced synchro or swivel tilt
  • Waterfall seat
  • 3 arm types with textured arm pads
  • Optional seat depth adjustment
  • Black, fog or polished aluminum base
  • 300 lb. weight capacity


Task chair

Task stool

Frame Colors

Fog and fog with silver frame (upholstered), the adjustable arm is silver - fixed arm is fog.



Black frame, upholstered back

Fog frame, upholstered back

Fog with silver frame & arms, upholstered back

Back Sizes



Arm Options


Height adjustable


Base Options




Polished aluminum

Back Material

Contrast stitching NOT available on upholstered back.


Upholstered (highback only)

10 Mesh Colors Available

Onyx (MC5)

Nickel (MC6)

Fog (MC7)

Navy (MC8)

Desert (MC9)

Fire (MC10)

Electric Blue (MC24)

Tangerine (MC28)

Aqua (MC30)

Apple (MC31)


Amplify Contrast Stitching - Mesh only

Contrast stitching adds a striking design element.

  • Available in 10 thread colors with no upcharge
  • Hand-selected threads complement the mesh
  • A stylish detail to highlight construction or add rich texture
  • Available with any SitOnIt Seating solid-color carded fabric, including leather and vinyl

Apple stitch, white leather

Desert stitch, chocolate leather

Electric Blue stitch, light gray leather

Fire stitch, black leather

Fog stitch, navy leather

Lemon stitch, black leather

Navy stitch, white leather

Nickel stitch, light gray leather

Onyx stitch, red leather

White stitch, navy leather


  • Amplify Brochure (7.3 MB)
  • Amplify Price List  (3.2 MB)
  • Amplify Mesh Program (2.4 MB)
  • Amplify Contrast Stitching Card (152.5 KB)
  • Amplify Control Adjustments (234.2 KB)
  • Amplify Stool Basic Controls (300.6 KB)
  • Amplify Lumbar Adjustments (678.5 KB)
  • Amplify Sell Sheet (1.4 MB)
  • Environmental Data Sheet (26.0 KB)
  • Feature Spotlight: Amplify Upholstered (839.8 KB)
  • Amplify AutoCad 2D Files (542.6 KB)
  • Amplify AutoCad 3D Files (5.3 MB)
  • Amplify Revit Files (72.4 MB)