Per the noise attenuation spec, it does provide some modest filtering starting @ 10 kHz (I differ with nikolay on that point, although he may be thinking about filtering in a different frequency band). Many years ago a power distributer with modest filtering, like this unit, is where I started for my hifi system. Made little difference to SQ but did provide some comfort that my expensive audio gear was protected from surges. Today the only use I have for a power distributer of that type is for my computer gear (the laptop I’m typing on is plugged into one). For your M700s, SGCD and streamer save your pennies for a power conditioner/line stabilizer/regenerator designed for audio and/or home theater. If you purchase that Clef unit you are going to wind up spending more in the end for a true audio power conditioning solution, I assure you.
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