The finest in American engineering and manufacturing.
Made in U.S.A. with domestic and globally sourced material.
More versatile resistance machines.
The Keiser Advantage
Keiser PRT
Conventional Iron
Strength
Power
Speed
Do more, more effectively.
Keiser's Pure Resistance Technology™ (PRT) is more effective than iron across a wider range of training themes.
More effective at faster tempos to improve velocity and power.
Just as effective at slower tempos
to improve strength.
A300
Resistance Machines
Keiser’s original low-inertia design with power metrics.
Pure Resistance TechnologyTM lets you work out at any speed for more ways to train effectively.
Dynamic Variable Resistance optimizes resistance across your range of motion.
Power Display displays power metrics with built-in max power resistance testing. Explore Power Display.
A400
Resistance Machines
Same low-inertia design with Keiser’s next-generation A400 technology.
Pure Resistance TechnologyTM lets you work out at any speed for more ways to train effectively.
Dynamic Variable Resistance optimizes resistance across your range of motion.
A400 Touchscreen Display displays power, velocity, and range of motion metrics. Unilateral data available on unilateral machines. A400 Technology.
Data integration lets you automatically capture data and export it to integrate with your analytics platform.
A400 TECHNOLOGY
Next-Gen technology. groundbreaking Performance Insights.
A400 technology offers visual feedback and performance insights in real time.
And you can export A400 data for use in your analytics or records platform, whether it’s custom or off-the-shelf.
Power
See mean and peak power for each rep.
Velocity
See mean and peak velocity for each rep.
Range of Motion
See data for both concentric and eccentric phases for each rep.
Unilateral Comparison
See velocity and power data for left and right side by side on unilateral machines.
Custom Performance Drop-off
Know when reps become less effective. Optimize training time and reduce risk of injury.
Questions? Ask a rep.
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