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Performance, flexibility, and durability

Pro-Ject’s Phono Box S2 phono preamp builds on the success of the popular Phono Box S. It has the same carefully selected amplifier modules and audiophile-grade components that make your treasured record collection shine, in a more rugged chassis made of sandwiched aluminum and metal.

No matter what kind of phono cartridge you mount on your turntable, this versatile preamp gives you a wide range of input settings to optimize its performance. A switchable subsonic filter protects your amplifier and speakers from low-frequency rumble below 20Hz.

The Phono Box S2 phono preamp is compatible with both moving magnet and moving coil cartridges, so you can count on proper matching with virtually any turntable and cartridge combination.

Fine-tune for the perfect match

Dip switches on the bottom of the chassis let you adjust the preamp’s settings very specifically to get the most out of it.

For instance, our customers love the Pro-Ject Debut Carbon turntable, which comes with an Ortofon 2M Red moving magnet cartridge pre-mounted. Pro-Ject recommends that you set input impedance at 47k, input capacitance at 200pF, and input gain at 40dB. The manual that comes with the S2 includes clear diagrams that show how to set the dip switches for this and other popular cartridges, so you can upgrade without too much hassle.