PurpleAngel
Headphoneus Supremus
New power amplifier design for smart phones.
http://www.gizmag.com/power-amplifier-double-battery/24875/?utm_source=Gizmag+Subscribers&utm_campaign=657a3fd4a5-UA-2235360-4&utm_medium=email
http://www.gizmag.com/power-amplifier-double-battery/24875/?utm_source=Gizmag+Subscribers&utm_campaign=657a3fd4a5-UA-2235360-4&utm_medium=email