In Audio Measurement and Analysis

VA-Audio2 represents the cost effective 2-channels solution for all your needs In Audio Measurement and Analysis. 　 Features 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 　 Applications Microphones, Loudspeakers, Receivers, Earphones, Headphones and other analog audio components. 　 Technical Specifications VA-Audio2 supports the following hardware from BSWA: MC3022: 2 channel ICCP inputs, 2channel outputs, USB powered. Recommended for field uses MC3522: 2 channel ICCP inputs, 2channel outputs, USB powered, built-in power amplifier to drive loudspeakers (needs 220V AC power for amplifier) Recommended for impedance tube; and audio analysis National Instruments NI 4461: Recommended for precision calibration