<B>Beyerdynamic A20 Headphone Amplifier - Silver Review</b><P>http://is.gd/fJBOzk <P><P> Beyerdynamic A20 Headphone Amplifier - Silver <P>ALPS potentiometer for variable volume control, Internal wide-range switching power supply for worldwide use<P>170 mW / 250 , high-gain RCA input, input signal can be looped through, entirely free from signal-loss thanks to the hard-wired RCA output<P>T.H.D = 0.01 % at 170 mW / 250 , Elegant, wrapped screwless solid all-metal housing<P>Audiophile grade, suitable for all headphones up to 600 Ohms<P>Made in Germany with 2 year Warranty<P>
