Visit Amazon sites : http://www.amazon.com/gp/product/B00MYF8KIS?tag=gallianostore-20<br /><br />Rosewill 2.1 PC Computer Subwoofer Speaker 25W RMS System (SP-5330)<br /><br />Output Power 25 watts RMS <br />Integrated power volume and bass control <br />Enhanced air follow construction with large 275 driver unit for realistic and wide mid to high frequencies <br />Ideal for use with a PC notebook DVD player game console TV and CDMP3 players <br />Intuitive controls for central access for volume and bass <br />Subwoofer 5