VA-Audio2 represents the cost effective 2-channels solution for all your needs In Audio Measurement and Analysis.
A complete set of product oriented modules for measurements and analysis of audio components
Stepped sweep, continuous sweep, multi-tone, and user-defined stimulus
Standard measurements for SPL, THD, and high order THD
Two channel comparison method for frequency response, sensitivity and THD
Automatic limit calculation
General two channel analyzer functions
Supports hardware from National Instruments and soundcard
Microphones, Loudspeakers, Receivers, Earphones, Headphones and other analog audio components.