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
Costa Mesa, CA
May 21, 2026
APx500 Workshop
Franfkurt, Germany
May 22, 2026
Webinar: Testing USB Headsets with APx500
Virtual Event
June 10, 2026
Audio Analyzers & Software
Browse All Products
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 note 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 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.
