# Pro-Ject Power Box S3 Phono

Enhance the performance of your audio system with the Pro-Ject Power Box S3 Phono, a dedicated linear power supply designed to deliver clean and stable power to your phono preamplifiers.

By providing a superior power source, the Power Box S3 Phono ensures your audio components operate at their best, resulting in improved sound quality and overall system performance.

**FEATURES**

-   **Clean & Stable Power**: Provides a highly regulated and noise-free power supply, ensuring optimal performance for your phono preamplifier.
-   **Dedicated Design**: Specifically engineered to power Pro-Ject phono preamplifiers, ensuring compatibility and maximum performance benefits.
-   **High-Quality Components**: Utilises premium components to deliver clean, stable, and efficient power, reducing noise and interference.
-   **Improved Sound Quality**: By supplying clean power, the Power Box S3 Phono enhances the overall sound quality of your phono stage, resulting in clearer, more detailed audio reproduction.
-   **Compact & Elegant Design**: The sleek and compact chassis allows for easy integration into any audio setup, saving space while delivering high performance.
-   **Durable Construction**: Built with high-quality materials to ensure durability and long-lasting performance, protecting your investment over time.
-   **Versatile Compatibility**: Compatible with a range of Pro-Ject phono preamplifiers, providing a versatile power solution for your audio system.
-   **Stylish Finish**: Available in a modern and stylish finish that complements any decor, adding a touch of sophistication to your audio setup.

Upgrade your phono preamplifier with the Pro-Ject Power Box S3 Phono, offering clean and stable power, improved sound quality, and a compact design for an enhanced and immersive audio experience.

###### Specifications

-   **EXTERNAL POWER SUPPLY RATING:** 18V-1000mA DC
-   **TURNTABLE OUTPUT POWER:** 15V (± 0.5% ripple)
-   **PHONO STAGE OUTPUT POWER:** 18V (± 0.5% ripple)
-   **DIMENSIONS (W X H X D):** 103 x 37 x 106 mm
-   **WEIGHT:** 0.37 kg
-   **Warranty:** 2 Years

## Details

- **Price:** 159.0 GBP
- **Vendor:** Pro-Ject
- **Type:** Turntable Accessories
- **Tags:** BLACK5, SALE5

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Black | 159.00 GBP | In stock |
| Silver | 159.00 GBP | In stock |

## Images

- Pro-Ject Power Box S3 Phono - K&B Audio
- Pro-Ject Power Box S3 Phono - K&B Audio
- Pro-Ject Power Box S3 Phono - K&B Audio

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> Source: [K&B Audio](https://www.kbaudio.co.uk/products/pro-ject-power-box-s3-phono)
> Updated: 2026-06-16