iBasso DX220 - Band Filter; Peak Filter

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4. Band Filter
There is no a large effect on the central frequency. The frequency
beside the central frequency has similar effect. Gain setting is
ineffective with band filter.
5. Peak Filter
There is a large effect on the central frequency. The frequency beside
the central frequency has similar effect.
⑥. Q=0.7071 ⑦. Q=20
2 3 4 56 10 20 30 100 200 1k
4 5 6 78 9 10 20 30 40 50 100 200 300 1k
⑧. Q=0.7071 ⑨. Q=20
4 5 6 78 9 10 20 30 40 50 100 200 300 1k
2 3 4 56 10 20 30 100 200 1k