“For many can-fans, the Australian-made Burson HA-160 could be the only headphone amplifier they’ll ever need.
Exceptionally well-made, it drives tougher (AKG) loads with strength and grace”…

Full review: http://www.digitalaudioreview.net.au/index.php/audio-reviews/desktop-audio-reviews/item/293-burson-ha-160-headphone-amplifier#