A ultra portable 4 channel data acquisition system, which is low by cost, applicably good in its features has been fully conceived; this USB driven hardware directly works on any windows XP platform; the software is customized to suit the requirements on individual customer; since its first release, various types of customers have procured them, right from basis measurements for routine testing to higher end usage where 1/3 octave, narrow band frequency spectra, overall and cursor values, comparative analysis are all required. As the customized software development is done in-house, our customer has the full flexibility to ask for the features that are specific to their usage.