VocoPro VX-15 Professional 15 Vocal Speaker<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Impedance: 8 Ω. Carpeted with metal speaker grills. Sensitivity: 100 dB </span></li><li><span class="a-list-item"> Frequency response: 20Hz-20kHz. Shipping Dimensions: 193/4" (L) x 19" (W) x 26 1/4" (H). Shipping Weight: 53 lbs. Made in the U. S. A </span></li><li><span class="a-list-item"> Frequency response: 20Hz-20kHz. Shipping Dimensions: 193/4" (L) x 19" (W) x 26 1/4" (H). Shipping Weight: 53 lbs. Made in the U. S. A </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/61aZQfDvQtL.jpg" noproxy>