Frequency Bands | Low Band F1: 18, 25, 30, 50, 72, 100, 150, 200, 300, 400Hz, shelf or peak-dip curve (switched) Mid Band F2: 12, 15, 18, 21, 25, 30, 36, 42, 50, 60, 70, 84, 100, 120, 140, 170, 200, 240, 280, 340, 400Hz, with x10 multiplier for additional frequencies (switched) Mid Band F3: 140, 160, 180, 210, 250, 300, 350, 420, 500, 600, 700, 840Hz, 1, 1.2, 1.4, 1.5, 1.6, 1.8, 2, 2.2, 2.4kHz, with x10 multiplier for additional frequencies (switched) High Band F4: 3, 4, 6, 8, 10, 12, 15, 17, 20, 25kHz, shelf or peak-dip curve (switched) |