Great subwoofer best part can add to system with out a sub out so if you would like to add base to a normal stereo system this is the unit. Specifications General ACTIVE SUPER WOOFER HIGH FREQUENCY CUT-OFF FREQUENCY 50Hz-150Hz MASS 12.5kg REPRODUCTION FREQUENCY RANGE 20Hz-150Hz INTELLIGENT BASS BOOST Approx. 205 x 500 x 350mm (w/h/d) INPUT JACKS Input 1: input pin jack, Input 2: input terminals POWER REQUIREMENTS 110-120V, 220-240V AC, adjustable, 50/60Hz SPEAKER UNIT Woofer: 160mm, cone type POWER CONSUMPTION 60W TYPE Active Super Woofer (magnetically shielded design) PHASE SWITCH NOR (normal), REV (reverse) LOW BOOST SWITCH ON, OFF. This item is in the category "Sound & Vision\Home Audio & HiFi Separates\Speakers & Subwoofers". The seller is "anticsinternational" and is located in this country: GB.This item can be shipped to United Kingdom, Antigua and Barbuda, Austria, Belgium, Bulgaria, Croatia, Republic of, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Australia, United States, Bahrain, Canada, Japan, New Zealand, China, Israel, Hong Kong, Norway, Indonesia, Malaysia, Mexico, Singapore, Korea, South, Switzerland, Taiwan, Bangladesh, Belize, Bermuda, Bolivia, Barbados, Brunei Darussalam, Cayman Islands, Dominica, Egypt, Guernsey, Gibraltar, Guadeloupe, Grenada, French Guiana, Iceland, Jersey, Jordan, Cambodia, Saint Kitts-Nevis, Saint Lucia, Liechtenstein, Sri Lanka, Macau, Monaco, Maldives, Montserrat, Martinique, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Turks and Caicos Islands, Aruba, Saudi Arabia, South Africa, United Arab Emirates, Chile, Bahamas, Colombia, Costa Rica, Dominican Republic, Guatemala, Honduras, Jamaica, Kuwait, Panama, Philippines, Qatar, El Salvador, Trinidad and Tobago, Uruguay.