Yamaha Ns-SW100 Subwoofer

What It Is:Yamaha SubwoofersWhat It Does:Ns-SW100 SubwooferThis subwoofer incorporates a number of Yamaha's advanced features and high performance bass technologies such as Twisted Flare Port and Advanced Yst Ii (Yamaha Active Servo Technology Ii) with discrete amp circuitry and high quality (10") woofer unit. This results in sensational bass response that adds significantly to overall listening enjoyment of music and movies.FeaturesNew Twisted Flare Port for clear and tight bassAdvanced Yst II10" cone wooferFrequency response: 25Hz - 180HzDimensions (W x H x D): 13 7/8" x 13 7/8" x 16 1/8"Clear Tight BassThe flared gently twisting shape diffuses the vortex of air generated around the edge of the port creating a smooth flow of air. This reduces e.