With an extremely low residual distortion of < –110 dB, the Keysight U8903B audio spectrum analyzer allows you to measure the most demanding audio devices with a high degree of accuracy. Perform audio measurements via a Bluetooth® link option. Make the highest resolution two-channel measurements available when you expand your bandwidth to 1.5 MHz. With these options and more, the U8903B audio spectrum analyzer offers a configurable audio test solution to meet your audio application needs.

• Expand your measurement bandwidth (with the wide bandwidth option N3431A) to measure from DC or 10 Hz to a maximum of 1.5 MHz.
• Simplify your testing environment with automatic tests and built-in test sequences.
• Configure the U8903B audio spectrum analyzer with up to eight analog analyzer channels.
• Eliminate the need to rewrite programs into SCPI command with built-in compatibility mode.

• Easily meet standards with preconfigured Perceptual Objective Listening Quality Analysis and Perceptual Evaluation of Speech Quality measurements.
• Configure for specific applications with a digital audio interface and Bluetooth® audio measurement options.
• Characterize signal-to-noise ratios, cross talk, and more.