The Phono Box S2 Ultra is like no other phono preamplifierin its segment. The incredible success of our PhonoBox Ultra 500, incited us to introduce this marvelouslysounding phono preamp into our regular S2 line. Thesolid metal casing protects against interference andthe internal design remains as spectacular as before.We are offering a fully discrete, OpAmp less design, whichenabled us to realize an incredibly harmonuous sound.Phono Box S2 Ultra - Luxury and audiophilia combined!On top of leaving out operational amplifiers we decided touse polystyrene capacitors, which significantly contributeto the high end sound of the Phono Box S2 Ultra. Thesecapacitors are known amongst audiophiles as the holygrail for phono preamplifiers. The split RIAA equalizationenables a pin-point accurate representation of the RIAAcurve, a luxury many other phono preamps do not possess. Audiophile Performance No Operational Amplifiers used Audiophile-grade polystyrene capacitors Precise split RIAA equalisation Switchable Subsonic filter –18 dB @ 20Hz Switchable input impedance/capacitance Four adjustable gain levels Solid metal casing protects from interferences Outstanding sound quality