Utilizing the “neutral” filter first (green color when switching), the sound provided a vibrant signature, with good authority to the low end, while staying controlled. With a front-forward signature, the S9 Pro Plus Martha could be considered to have a small W-signature but tends towards more neutral.
STAGING & DYNAMICS
The S9 Pro Plus Martha does not lack note weight, with decent resolution present in all filter choices. None of the choices come across as thin, nor too meaty, but do lack a bit of clarity compared to something such as the more expensive Questyle M12.
The dynamics of female vocal presentations do sound quite good, with very good articulation, which can scale well between listening sources.
Having the six filter choices not only helps with different headphones and IEMs but also allows the user to tailor the signature for multiple genres and sources. This allows the S9 Pro Plus Martha to scale well across multiple sources and listening devices.
BUY NOW: HIDIZS S9 Pro Plus Martha
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