https://asia-oceania.yamaha.com/en/audio/home-audio/products/speakers/yst-fsw150/specs.html
YST-FSW150 - Specs - Speakers - Products - Home Audio - Audio - Yamaha - Asia / Middle East /...
New shape subwoofers with Yamaha's latest technologies, including Advanced YST II, Linear Port and down-firing design plus best matching for front surround...
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