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Matrix Fitness

MATRIX Aura Functional Trainer 400 Stack

SKU: G3-MSFT400

Product Overview

The MATRIX Aura Functional Trainer 400 Stack upgrades the flagship G3-MSFT300 with heavier 390 lb weight stacks — the highest capacity functional trainer in the Matrix lineup. Designed for athletic performance centers, university recreation facilities, and elite health clubs where advanced athletes push maximum loads, the 400 Stack retains all features of the 300 Stack with significantly increased resistance capacity.

Key Features

  • Dual independent 390 lb weight stacks — highest capacity in Matrix lineup
  • 1:4 pulley ratio enabling high-speed functional movements
  • 15-foot cable travel for unrestricted movement range
  • Swiveling accessory station with multi-grip pull-up bar
  • Integrated foldaway step for easier high pulley access
  • Rock-climbing grip attachments for hand strength training
  • 10 standard grip attachments included

Technical Specifications

ManufacturerMatrix Fitness
CategoryStrength > Functional Trainers
SKUG3-MSFT400
Weight Stacks2 x 176.9 kg / 390 lbs. each
Pulley Ratio1:4 (low starting resistance for high-speed movement)
Cable Travel457 cm / 15 ft.
Assembled Dimensions170 x 130 x 235 cm / 66.6" x 51.2" x 92.3"
Max User Weight159 kg / 350 lbs.
Attachments Included10 standard grips and attachments
Price$9,495.00

Warranty & Support

Frame: 10 years, Weight Stacks / Bearings: 5 years, Parts: 3 years, Labor: 1 year.

For complete warranty terms including frame, parts, and labor coverage, please contact the manufacturer directly or speak with an Opti-Fit representative.