тест
диапазон 8 21000 Hz
20 частот
9.5, 14, 20, 30, 45, 67.5, 101.25, 151.875, 227.8125, 341.71875, 512.578125, 768.87, 1153.3, 1729.95, 2594.93, 3892.39, 5838.59, 8757.88, 13136.82, 18000
тест
20 частот
9.5, 14, 20, 30, 45, 67.5, 101.25, 151.875, 227.8125, 341.71875, 512.578125, 768.87, 1153.3, 1729.95, 2594.93, 3892.39, 5838.59, 8757.88, 13136.82, 18000