Cambridge Audio DacMagic XS v2 USB DAC and Headphone Amp (Titanium) Instant upgrade to any computers sound output Connects quickly and easily to any USB port and allows you to hear your favourite music and movies with every drop of detail, exactly as the artist intended Delivers up to 10 times more power than most laptop soundcards Volume is easily adjusted on the simple fingertip controls LED shows the sample rate, so you always know youre getting the right level of clarity and detail from your tracks