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Pro-Ject Phono Box S3 B
The Phono Box S3 B is a compact, phono preamplifier with a fully balanced design. It’s packed with high-end features, including Pro-Ject’s True Balanced Connection. Previously, this premium feature was only available in our top-of-the-line RS range, but now you can enjoy it in a smaller, more affordable package.
Balanced By Nature
True Balanced Connection
Boasting balanced connections that help block out interference from Wi-Fi, Bluetooth, and other invisible signals found in modern homes, the Phono Box S3 B ensures your music comes through with crystal-clear detail.
Unlike other entry-level phono stages, the Phono Box S3 features both balanced inputs and outputs, allowing you to experience the full potential of your audio with truly distortion-free listening.
Get More From Your Pro-Ject Turntable
Built in Perfect Harmony
To get the best out of the Phono Box S3 B, pair it with a turntable that has a balanced output like the Pro-Ject Debut PRO B. By connecting via the mini XLR output, and you’ll unlock the full potential of balanced audio for a truly immersive listening experience.
Hear Every Detail
Adjusts To Suit Your Cartridge
The Phono Box S3 B gives you the flexibility to switch between XLR balanced and RCA phono non-balanced connections, making it easy to match your setup.
With adjustable settings for input gain, capacitance, and impedance, you can fine-tune the sound to perfectly match your cartridge. This means you'll hear a level of detail and clarity in your music that might have been hidden before.
Built For Optimum Performance
Compact & Functional
The Phono Box S3 B combines style and practicality with a compact design makes it easy to fit into any setup.
Available in black or silver, its durable metal casing provides excellent electrical shielding, protecting the delicate internal electronics from interference and reducing sound distortion.
The phono sockets are even gold-plated for a long-lasting and low resistance connection too.
