Powerful design.

Sleek, aerodynamic lines give the Amplify™ collection power, with a look of modern design and sumptuous comfort. Midback and highback mesh chairs are available in multiple frame, arm and base colors. The mesh back features adjustable lumbar bands that provide optimum ergonomics. The comfortable mesh back model comes in 10 colors and the upholstered waterfall seat is available in 10 fabric or leather textile grades with optional contrast stitching. Amplify offers more built-in features than any other chair in its class, with enhanced synchro, height adjustable arms and adjustable lumbar support. The curvaceous profile and soft, textured arm pads make this a chair that delivers style as well as substance. 

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


high back mesh chair

Amplify highback task chair, Momentum Telegram Celery, Apple mesh, Fog frame, fixed arms


  • Midback and highback task chairs and task stools
  • 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 (mesh model only)
  • Enhanced synchro or swivel tilt
  • Waterfall seat
  • 3 arm styles with textured arm pads
  • Black, fog, silver or polished aluminum base
  • Optional seat depth adjustment
  • Standard 300 lb weight capacity
  • Super Duty Series – Large & Tall 400 lb weight capacity option
  • Lifetime warranty for single shift use or 12 Years for 24/7
  • All options and 1,000’s of fabrics ship in 2, 5 or 10 days 



Task Chair

Task Stool

Large & Tall

Back Style



Back Material


Upholstered (highback only)

Arm Style


Height Adjustable

Multi Adjustable

Base Options (Frame Dependent)




Polished Aluminum


Frame Colors



Black Frame, Upholstered Back

Fog Frame, Upholstered Back

Fog with Silver Frame & Arms, Upholstered Back

Mesh Colors





Electric Blue






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


Product Info

  • Amplify Brochure [2.8 MB]
  • Amplify Price List – Current [1.8 MB]
  • Amplify Mesh Program [3.7 MB]
  • Amplify Contrast Stitching Card [152.9 KB]
  • Amplify Control Adjustments [236.6 KB]
  • Amplify Stool Basic Controls [301.0 KB]
  • Amplify Lumbar Adjustments [678.9 KB]
  • Amplify Sell Sheet [823.8 KB]
  • Amplify Instruction Sheet [3.6 MB]
  • Super Duty Series Guide [480.8 KB]
  • Sell Sheet: Large & Tall [1.4 MB]
  • Super Duty Series Brochure [1.2 MB]
  • Amplify Healthcare Sell Sheet [1.8 MB]
  • Environmental Data Sheet [165.1 KB]
  • Healthcare Brochure [6.7 MB]
  • Care + Cleaning Guide [1.1 MB]
  • Feature Spotlight: Amplify Upholstered [836.5 KB]
  • Amplify AutoCad 2D Files [578.4 KB]
  • Amplify AutoCad 3D Files [7.0 MB]
  • Amplify Revit Files [81.5 MB]
  • Amplify Sketchup Files [20.1 MB]
  • Amplify Mech Adjustments [236.6 KB]