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Pro-Ject Phono Box S3 Balanced Preamp

Original price was: $499.00.Current price is: $299.40.

-40%

Precision-engineered phono preamp for audiophiles seeking high-end audio clarity and balanced performance.

(3 customer reviews)

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Front angle of Pro-Ject Phono Box S3 B showing dual input jacks and metallic finish
Pro-Ject Phono Box S3 Balanced Preamp
$499.00 Original price was: $499.00.$299.40Current price is: $299.40.

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The Pro-Ject Phono Box S3 B redefines expectations at the entry level with balanced audio architecture and precise gain control. Housed in a rigid steel and aluminum chassis, it isolates interference while delivering pure signal fidelity.

  • Dual turntable inputs: Connect and configure up to two turntables with individualized memory settings.
  • Customizable gain: Tailor output to match CD players, streamers, or amplifiers with ultra-low impedance and capacitance settings.
  • Fully discrete symmetrical gain stage: Built with individual electronic components, no integrated circuits—just raw signal purity.
  • True Balanced Connection: Pair with miniXLR-equipped turntables and extract full sonic potential through balanced cabling.

Wondering how to maintain your phono preamp? Just keep your connections clean and cables secured to enjoy uninterrupted listening. Audiophiles diving into high-end audio setups will appreciate the S3 B’s ability to optimize every detail of their vinyl experience.

Additional information

Color Options: No selection

Black, Silver

3 reviews for Pro-Ject Phono Box S3 Balanced Preamp

  1. Louis Rodriguez (verified owner)

    As someone just stepping into high-end audio, I was blown away by the clarity this preamp brought to my vinyl setup.

  2. Angela Edwards (verified owner)

    Purchased it after reading several high-end audio amplifier reviews—this lived up to the hype.

  3. Nicole Jordan (verified owner)

    The balanced connection and dual turntable inputs make this one of the top rated vinyl player accessories I’ve seen in 2023.

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FAQs

What makes this the best phono preamp for vinyl?
Its fully discrete gain stage, dual turntable support, and True Balanced Connection deliver superior audio fidelity, making it ideal for serious vinyl enthusiasts.
How to use the True Balanced Connection on this turntable preamp?
Pair with an MC cartridge and miniXLR or 5P cable. This enables balanced signal flow and minimizes interference for high-end audio clarity.
Can beginners use this phono preamp with an affordable turntable?
Absolutely. This unit is compatible with many affordable turntables for beginners and includes gain control to optimize performance with any setup.