high quality high performance Yamaha YST-SW015 Active Powered 70 Watt Subwoofer
The Yamaha YST-SW015 is a compact subwoofer that offers powerful bass, excellent bass dispersion,
and high-quality sound.
It features Advanced YST and QD-Bass technologies, which are also used in Yamaha's top-line subwoofers. Other features include: Bass Action Selection System, Phase control, Compatibility with Dolby Digital surround sound formats, and Durable plastic construction.
The YST-SW015 is cube-shaped and silver in color.
It has a port that functions like a conventional woofer.
The port can output low amplitude signals as high amplitude waves
if the cabinet volume and port size are in a certain proportion
it is on sale by a private owner for only $120
sold at bargain
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works like new , hard to come by
it won't last...