SELENIUM 15WS600 Channel Stage Subwoofer<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Bumped back plate and extended pole piece for maximum excursion Multi-cooling system directly cools the gap and the air trapped between the two spiders </span></li><li><span class="a-list-item"> Designed for smaller enclosures， the WS600 series low and mid bass sound reinforcement woofers offer high power capacity， outstanding low-end response， and exceptionally smooth transition into the vocal range. </span></li><li><span class="a-list-item"> Two counter-balancing， distortion canceling， polyester-cotton-fiber spiders Strong reinforced cast aluminum frame also acts as a heat sink </span></li><li><span class="a-list-item"> Ideal for side fill as well as front of house cabinets， this new design is capable of handling up to 1，200 watts of continuous music power. </span></li><li><span class="a-list-item"> Bumped backplate and extended pole piece for maximum -cooling system directly cools the gap and the air trapped between the two spiders </span></li><li><span class="a-list-item"> 4" diameter copper wire voice coilNon-pressed long fiber pulp cone for linear response and strength </span></li><li><span class="a-list-item"> Two counter-balancing， distortion canceling， polyester-cotton-fiber spiders Strong reinforced cast aluminum frame also acts as a heatsink </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41VcC5qumFL.jpg" noproxy>