TOA CORPORATION revenue for the last year amounted to 45.12 B JPY, the most of which — 37.01 B JPY — came from its highest performing source at the moment, Acoustics, the year earlier bringing 33.16 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought TOA CORPORATION 26.83 B JPY, and the year before that — 25.99 B JPY.