SitOnIt Amplify High Mesh Back Large and Tall Task Chair


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The Amplify collection has a clean, modern design but does not lack sumptuous comfort. This Amplify High Mesh Back Large and Tall Task Chair features adjustable lumbar bands that provide optimum ergonomics. Comes in ten colors and the upholstered waterfall seat is available in an array of fabrics. 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. Soft, textured arm pads add to the comfort.  Just when you thought it could not get better...SitOnIt ALSO specializes in speedy lead times! This Large and Tall 24/7 model can be configured with a standard or high cylinder. Warranty is 10 year multi-shift 24/7 applications. 

  • Large and Tall 24/7 version
  • Adjustable lumbar support
  • Upholstered waterfall seat
  • 10 mesh back colors
  • Black frame
  • Standard enhanced-synchro mechanism (Y) 
  • Optional seat depth adjustment (Y/e3)
  • Standard or high cylinder
  • Black nylon or brushed aluminum base
  • Choice of fabric or vinyl upholstered seat
  • Standard with carpet casters
  • Optional casters for hard floors
  • Standard with height adjustable arms A152, lowered price with no arms
  • Waterfall seat
  • 400 lb. weight capacity
  • Limited 10 Year Warranty

Base Options


Mesh Back Colors




29"W x 27.75"D x 42"H, Armless 26"W x 27.75"D x 42"H
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Exemplis LLC, SitOnIt Seating and IDEON (hereafter referred to as the Company), warrants to the original end user that this product will be free from defects in its material and workmanship when used in a single shift (standard 8-hour day, 5 days per week) for the following warranty periods: LIFETIME WARRANTY COVERAGE: • All SitOnIt Seating products, except where noted below. 12-YEAR WARRANTY COVERAGE: • Amplify, Torsa, Wit and Novo used in multi-shift (24/7) applications. 10-YEAR WARRANTY COVERAGE: • Non-Stop Heavy Duty and chairs purchased with a Heavy Duty (“HD”) option used in multi-shift (24/7) applications. • All IDEON seating and tables. 5-YEAR WARRANTY COVERAGE: • Fabric, foam, knit back, mesh and plastic. • Power modules and electrical components 2-YEAR WARRANTY COVERAGE: • Fabric and foam cushioning for Non-Stop Heavy Duty, Freelance Heavy Duty and chairs purchased with an HD option. THE COMPANY DOES NOT WARRANT • COM/COL textiles • Product abuse or misuse or negligence in misuse • Failure resulting from normal wear and tear • Products that have been modified or altered and any attachments to the product • Products or parts not used, maintained or installed in accordance with the Company’s installation, maintenance and/or applicable guidelines • Products that are exposed to extreme environmental conditions such as water damage or fire and/or have been subject to improper storage • Floor samples or display models • Products purchased “as is” and/or secondhand • Products sold by unauthorized dealers • Creasing and/or gathering of textiles during upholstery application process • Minor irregularities of color, surface, grain and texture • Minor variations of color in textiles • Variations of texture and natural markings such as neck wrinkles, scratches, backbone marks and stretch marks in leather • Color matching of textiles exactly to samples, swatches or prior purchases APPLICABLE PROVISIONS TO ALL PRODUCTS AND SERVICES The Company will, at its option, repair or replace with a comparable product, without charge to the original purchaser, only defective products or parts reported as defective during the Warranty Period. If requested by the Company, the original purchaser must return the part or product with freight or other shipping charges prepaid. UNDER NO CIRCUMSTANCES WILL THE COMPANY BE LIABLE FOR INJURIES OR DAMAGES ARISING FROM USE OF THE PRODUCT. This warranty shall be effective for the applicable time period beginning from date of purchase as shown on original purchaser’s original receipt or other proof of purchase. For products purchased on or after August 1, 2012, the Company shall pay for all labor costs pre-approved by the Company. The payment of such pre-approved labor costs will be in the form of a credit to an active Company account. This is an EXCLUSIVE LIMITED WARRANTY. There are no other warranties, express or implied, including, without limitation, any implied warranty of merchantability or of fitness for a particular purpose. The Company will not be responsible for incidental, consequential, special, or indirect damages. The purchaser is responsible for determining suitability for its intended use. The Company disclaims any liability for defects, loss of use, or claims or injuries arising out of the incorrect choice of product for particular usage. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you. This warranty gives you specific legal rights and you may have other rights which vary from state to state. The Company will advise you of the procedure to follow when making warranty claims. Call the Company at the number below to explain the defect. Give your name, address and telephone number. Please be prepared with the model number and sales order number found under the seat of the chair. 1-888-355-4999