pro ject phono box s2Pro Ject Phonobox S2 Great Sounding RIAA for MM MC Cartridge Phono Box S2 is an audiophile quality RIAA amplifier designed for both MM and MC cartridges (Moving Magnet Moving Coil). This versatile amplifier is ideal for vinyl enthusiasts who want a dynamic and open sound, regardless of which cartridge type and model they choose. Superior Amplification MC cartridges are preferred by many vinyl enthusiasts for their very refined sound, but they require