Phono Box S2 MM/MC Phono Preamp - Pro-Ject Audio USA
SOLD: Pro-Ject Phono Box S2 Ultra - Buy & Sell - The HEADPHONE Community
Pro-Ject Phono Box Ultra 500 – Anti-Foundation
Another Upgrade! Bought a used Pro-Ject Phono Box S2 Ultra used for £125, it replaces my The Cambridge Audio 551P. Fully satisfied with my set up. : r/turntables