The NAD VISO 1 BT is inspired design married to some of the most sophisticated audio technologies in the world today. The result is a new way to experience your mobile music collection. With the NAD VISO 1 BT, every detail of your digital music is clear with all the warmth and emotion of a live musical performance. This immersive musical experience must be heard to be believed.Wireless OptionsIntegrated Bluetooth aptX wireless high fidelity reception allows any Bluetooth enabled device to seamlessly integrate with the NAD VISO 1 BT. This allows wireless integration of the iTouch, iPhone and iPad, as well as Android and Windows-based smartphones and tablets.NAD Direct DigitalNAD VISO 1 BT includes NADs Direct Digital technology first introduced in our groundbreaking top-of-the-line Master Series M2 Direct Digital Amplifier. The NAD VISO 1 BT offers two major advances in iPod music systems: it plays the music stored on your iPod in its native digital form, completely bypassing the limiting audio circuits of the iPod, and the processing power in Direct Digital technology allows the speakers to be optimized for sonic performance. Renowned speaker designer Paul Barton (on loan from NADs sister company, PSB Speakers) used Direct Digital to give the NAD VISO 1 BT the same musical authenticity and acoustic performance that has set his award-winning designs apart over the last 40 years.Specifications:Made for iPod Music System NAD Direct Digital DAC/Amplifier - 35 bit/844kHz, 0.005%