More from Amazon.com : http://www.amazon.com/gp/product/B00QLJ2548?tag=thefatkidin06-20 <br /> <br />Sony SWF-BR100 Active Wireless Subwoofer 5.2-5.8GHz Band Wireless Frequency 4Ohms Impedance <br /> <br />Audio Specs Total Rated FTC 30-150Hz 4 Ohms 1THD Yes Synchronize w TV systemTotal Reference 100W 4 Ohms 100Hz <br />Speaker System Subwoofer sealed enclosure <br />Speaker Unit 200 mm cone type <br />Rated impedance 4 Ohms <br />Power requirements Subwoofer 120V AC 60 HzTransceiver 5V DC
