More on Amazon.com : http://www.amazon.com/gp/product/B004UEMGHW?tag=purrfectcatdi-20 <br /> <br />Cambridge Audio S70 Tower Speakers - Black Pair <br /> <br />Sensitivity 90 dB <br />Frequency Response 34 Hz - 20 kHz <br />Nominal Impedance 4 - 8 Ohms <br />Bi-wirable <br />Spiked plinth for ultimate stability
