APx500: Usability, Reliability, and Performance
New to audio? A seasoned expert?
Either way, APx500 has you covered. With the most popular measurements, automations, and API integrations, APx500 supports you across both R&D and manufacturing applications.
Benefits
• Built-in measurements
• Intuitive user interface
• Powerful automation features
• API integrations
• Subscription & perpetual license
Featured Events
Browse All EventsAPx500 Workshop
Santa Clara, CA
May 7, 2026
APx500 Workshop
Garches, France
May 19, 2026
APx500 Workshop
Costa Mesa, CA
May 21, 2026
APx500 Workshop
Franfkurt, Germany
May 22, 2026
Audio Analyzers & Software
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APx555B
The standard in performance and versatility in audio analysis. High-performance, modular two-channel audio analyzer.
APx58xB
Channel count meets broad range of digital I/O for simultaneous, multichannel audio test. 8 or 16-channel modular audio analyzers.
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APx52xB
The ideal balance of analog performance and breadth of digital I/O. Modular, 2- and 4-channel performance audio analyzers.
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APx517B
Designed for electro-acoustic testing, featuring dedicated power amplifiers to drive loudspeakers and headphones.
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APx516B
Value oriented, with flexible digital audio connectivity for testing consumer electronic devices and other applications.
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Explore More Resources
Smart Speaker Measurements
Get an overview of smart speaker acoustic measurements with a focus on frequency response.
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Testing Power Amplifiers
This application covers the fundamental measurements for testing power amplifiers.
Headphone Measurements
This paper discusses challenges, headphone types, measurement standards, acoustics, and more.
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Automotive Audio Testing — Amplifiers
This paper focus on automotive audio amplifiers and the tests normally made on these devices.
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Loudspeaker Measurements
Get a overview of electroacoustic measurements used to characterize loudspeaker performance.
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Quick Tip 241 Programmable Serial I/O Module
Learn more about the Programmable Serial I/O (PSIO) module and the companion PSIO pod and how it provides a highly configurable interface for chip-level digital audio interfaces such as I2S, TDM, DSP, and other protocols.
