TrueRTA - Audio Spectrum Analyzer Software TrueRTA audio spectrum analyzer software, in combination with your PC, provides a test capability that would normally require thousands of dollars worth of traditional audio test instruments. Now you can afford the powerful audio testing capability normally seen in better audio research and design laboratories! Includes: Real Time Analyzer, Low distortion, Signal Generator, Digital Level Meter, Crest Factor Meter

SpectraPLUS - Audio Spectrum Analyzer SpectraPLUS allows you to perform complex audio signal analysis without the use of any other hardware other than your Windows compatible sound card. Real-time FFT analysis of live input.

PAA3 - Audio Testers Handheld Audio Analyzer with USB Interface. # Palm-sized, lightweight audio analyzer for all sound engineers
# 31-band spectrum analyzer, RT60, SPL meter, and more
# Easy operation with built-in microphone and generator
# EQ setting calculation offers advice for boosting and cutting at the touch of a button
# USB interface allows real-time computer operation

SA-3051 - Real Time Audio Analyzer The SA-3051 is a microprocessor controlled, one-third octave, real time spectrum analyzer. It is affordable, rugged, reliable, easy to use, fast to setup, and designed and manufactured by audio enthusiasts who have been building spectrum analyzers for twenty years. Comes with a complete range of features including pink noise generator, calibrated microphone, memories, SPL functions, ability to average memories, peak hold utilities, comprehensive manual, and large, easy to read display.

Modulation Analyzer The Modulation Analyzer is a complete Test and Measurement tool, incorporating a multitude of innovative features such as a digital FM demodulator, RF spectrum analyzer, oscilloscope, dual channel audio generator, distortion meter, MPX and RDS analyzers and now, also an inbuilt RF Generator.

Invisible Waves - RF Spectrum Analyzer Series of PC-based, RF spectrum analyzers -- specifically designed for the professional audio and video industries. These new analyzers are touted as the world's first, PC-based RF spectrum analyzers which offer automatic charting of open white space (open RF frequency) for use with wireless microphones, in-ear monitors, remote control, security, access control, etc. Model IW1800: 9KHz - 1.8GHz / Model IW3500: 9KHz - 3.5GHz

SA-3052 - Real Time Analyzer The SA-3052 is a microprocessor controlled, one-third octave, real time spectrum analyzer. It is affordable, rugged, reliable, easy to use, fast to setup, and designed and manufactured by audio enthusiasts who have been building spectrum analyzers for twenty years. 

General Purpose Measurement Systems This completely customized single-board computer is the unique platform for a wide range of instruments and systems tailor-made for different applications for development and production, in telecommunication like mobile radio testing, or in electronic laboratories. It is used in a variety of instruments like audio test equipment, signal generators, spectrum analyzers or power meters. The single instruments support analog and digital communication, different levels of sensitivity and accuracy