In conclusion then it is a headphone amplifier well designed and well-sounding and extremely low cost compared to the quality offered… PcTuner decided to give the Burson Audio Headphone Amp HA-160 on his award (Best Product)
Full review: http://www.pctuner.net/articoli/audio_accessori/1418/Burson-Audio-Headphone-Amp-HA-160-le-cuffie-ringraziano/1.html