Polk Audio TSi100 Bookshelf Speakers (Pair， Black)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Recommended amplification: 20-100 (watts/ch) </span></li><li><span class="a-list-item"> Equipped with one 5.25-inch dynamic balance bilaminate composite woofer </span></li><li><span class="a-list-item"> Equipped with one 1-inch silk/polymer composite dynamic balance dome tweeters </span></li><li><span class="a-list-item"> Pair of high performance bookshelf speakers </span></li><li><span class="a-list-item"> Frequency response: 53Hz - 25kHz </span></li><li><span class="a-list-item"> Pair of high performance bookshelf speakers </span></li><li><span class="a-list-item"> Equipped with one 1-inch silk/polymer composite dynamic balance dome tweeters </span></li></ul><!--   Loading EDP related metadata  --><div aria-live="polite" class="a-row a-expander-container a-expander-inline-container"><div aria-expanded="false" class="a-expander-content a-expander-extend-content" style="display: none;"><ul class="a-unordered-list a-vertical a-spacing-none"><li><span class="a-list-item">Frequency response: 53Hz - 25kHz</span></li><li><span class="a-list-item">Equipped with one 5.25-inch dynamic balance bilaminate composite woofer</span></li><li><span class="a-list-item">Recommended amplification: 20-100 (watts/ch)</span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/410nZ6jqYQL.jpg" noproxy></div></div>