True balanced connections for superior noise rejection and signal purity
Fully discrete, symmetrical gain stage for optimal audio clarity
Simultaneous dual turntable support for versatile playback
Advanced memory storage for precise cartridge and source matching
High-rigidity steel and aluminum case for enhanced isolation from interference
Summarized by Shop
The Phono Box S3 B is an entry-level phono preamplifier that offers a fully balanced design in a neat, small package. We’ve packed this tiny chassis to the brim with high-end features. One of those is our new True Balanced Connection. At Pro-Ject, balanced connections were exclusive to our RS range of products until now. The Phono Box S3
Input
5-pin mini XLR (up to 2 turntables)
Gain Range
Adjustable via gain setting
Impedance
Supports ultra low values (e.g., 50 pF, 10 ohms)
Case Material
Steel and aluminum
Compatibility
All Pro-Ject turntables with RCA, minixlr, or 5-pin outputs
