The SE560 sonic exciter (sound enhancer), whether you are using it as a phono enhancer or sending music to your amplifier or preamp. At every design stage we spent a considerable amount of time focused on one thing, sound quality.The SE560 can be used in many places for audio improvement. It can be used as a stand alone preamplifier. With 19.1 dB of gain it has moreoutput potential than most preamps built. Simply plug you source (phone, tablet, DAC, Phono Pre or other player) into the SE560 and from there to your amplifier. With it's two inputs, it can act almost like a two channel preamp.