More on Amazon.com : http://www.amazon.com/gp/product/B00II5T5HS?tag=purrfectcatdi-20 <br /> <br />Polk Audio AM6510-A Hampden Powered Desktop Audio System <br /> <br />The Hampdens USB is designed to bypass the lower quality digital to analog converter built into most computers A higher quality converter in the Polk Hampden optimizes this critical function for the best audio possible <br />Four channel amplifier <br />Designed for todays wireless sources Employs the latest advances in Bluetooth wireless technology with apt-x
