APx500 Flex two-channel software audio analyzer with sequence mode, input signal monitors, file analysis, and the six measurements described in Base Configuration below.

APx500 Flex four-Channel software audio anlyzer with sequence mode, input signal monitors, file analysis, and Base Configuration.

APx500 Flex eight-channel software audio analyzer with sequence mode, input signal monitors, file analysis, and Base Configuration.

Is discontinued, alternative model APx511 B Series Audio Analyzer

Is discontinued, alternative model APx515 B Series Audio Analyzer

Is discontinued, alternative model APx525 B Series Audio Analyzer

Is discontinued, alternative model APx526 B Series Audio Analyzer

Is discontinued, alternative model APx555 B Series Audio Analyzer

Is discontinued, alternative model APx585 B Series Audio Analyzer                            

Is discontinued, alternative model APx586 B Series Audio Analyzer