Fiio K13 R2R

Tonality in general : Highly Musical, slightly warm with NOS mode, more sparkly and details with OS mode.

Bass : SUPER TIGHT, thumpy, powerful,this thing can handle the HD650, Sundara, JT7, anything you name it.
Bass control is exceptionally good.
Midrange : Musical, very musical with the NOS mode,
the midrange if I were to describe it, compared to usual sigma delta DAC, this one has like slightly warm saturation to it. Everything sounds warm but not to the point it sounded weirdly thick either.
Treble : with NOS mode, smoooothh but extended, with OS mode, it feels like it has more tiny sparkles to it.

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Author:littlenezt ; From:head-fi.org

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