Sonic quality of Phono Box S is extremely impressive. With a wide range of setting parameters, it can meet the needs of almost any phono cartridge on the market. A switchable subsonic filter prevents your amplifier and speakers of ultra low rumble below 20 Hz. Carefully selected amplifier modules and audiophile-grade polypropylene capacitors make it possible to enjoy your valuable vinyl collection like never before! The class-leading music reproduction of Phono Box S gives pure dynamics, full transparency, bass texture, detail resolution and purity of all audible frequencies.