Beyerdynamic has launched a new high-end headphone amplifier , called A2 . The design features is found by simply observing the cabinet , made of aluminum , and the logo plays through an opening in stained glass, useful for providing an evocative glimpse of the internal components . The circuit design is completely symmetrical , with selected components and assembled by hand . A2 allows you to control , separately , impedance and sensitivity , thus being able to adapt to headphones at 16 to 600 ohms .In addition, it comes a special stand for headphones , made of aluminum : the base is fixed to the bottom of A2 , providing practical support to store your headphones when not in use. The available connections include dual outputs on jack 6.35 mm , in addition to an analog audio input , RCA , and a double outlet , always on RCA .