TOA CORPORATION revenue for the last year amounted to 48.81 B JPY, the most of which — 41.03 B JPY — came from its highest performing source at the moment, Acoustic, the year earlier bringing 37.01 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought TOA CORPORATION 28.45 B JPY, and the year before that — 26.83 B JPY.