There are four different Flexible Filter Modes available for your device: 

  1. PRECISE (default)

PRECISE offers the best measurement performance, with a flat frequency response well extended to treble. This mode has very small in-band ripple and the best stop-band attenuation performance. PRECISE is best for the playback of orchestral music.


DYNAMIC exhibits a gentler roll-off curve of frequencies; it maintains great in-band, stop-band performance while trading off small attenuation in the treble. DYNAMIC is best for the playback of light jazz, chamber music and solo piano.


BALANCE is designed to minimize 'pre-ringing' and 'echo' effects. As a result, this mode sounds very smooth. However, due to the slow roll-off at high frequency, it may lose some detail in the treble for certain kinds of music. BALANCE is best for vocal, jazz and pop music.


All filters in this mode are designed to optimize the subjective listening experience. By using a minimum phase design, there is no 'pre-ringing' effect in this mode, and the 'echo' effect has also been reduced as much as possible. SMOOTH is the best all-around option for music enjoyment.

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