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90.6 Hz Square Wave 30 sec
87.6 Hz Square Wave 30 sec
93.6 Hz Square Wave 30 sec
89.4 Hz Square Wave 30 sec
91.8 Hz Square Wave 30 sec
86.4 Hz Square Wave 30 sec
91.2 Hz Square Wave 30 sec
88.2 Hz Square Wave 30 sec
88.8 Hz Square Wave 30 sec
85.8 Hz Square Wave 30 sec
Speaker Sound Test 906Hz
87 Hz Sine Wave
