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Sumiko S.9

Sumiko S.9
alaScore 91

3 reviews

May, 2018

alaTest has collected and analyzed 3 reviews of Sumiko S.9. The average rating for this product is 4.0/5, compared to an average rating of 4.3/5 for other Speakers for all reviews.

We analyzed user and expert ratings, product age and more factors. Compared to other Speakers the Sumiko S.9 is awarded an overall alaScore™ of 91/100 = Excellent quality.

Review analysis

(Based on 3 reviews)

Expert Reviews  


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Showing 1 - 2 of 2 Show Reviews: in English | in other languages (1)

Expert review by : Tyler Stripko (

Sumiko S.9 Subwoofer Review


Sumiko has decided to enter the somewhat crowded subwoofer market with a new line of subwoofers.

Elegant design ; Excellent construction quality ; Very accurate, musical bass ; Good bass extension for the cabinet size ; Powerful enough for all but the largest rooms ; Amazing integration with main speakers ; Multiple setup options means...

Multiple setup options means installation and integration is a bit more difficult than other subwoofers ; Bass response starts to taper off around 30Hz (-3dB at 25Hz rating)

THE SUMIKO S.9 SUBWOOFER has an excellent design.

Sep, 2015

Expert review by : Brent Butterworth (

Sumiko S.9 Subwoofer Reviewed


Brent Butterworth reviews Sumiko's new $999 S.9 subwoofer, which features a 10-inch driver, a 10-inch passive radiator, a 350-watt RMS Class AB amp, and connection options that the audiophile will appreciate.

I almost cringe thinking about some of the reviews that this sub is going to get--you know, some guy sitting around in his underwear listening to his Steely Dan hi-res files through some exotic amp nobody has ever heard of, blabbering on and on about...

Jul, 2015