# Pro-Ject Phono Box S2 Ultra

Take your vinyl listening to the next level with the Pro-Ject Phono Box S2 Ultra, an advanced phono preamplifier designed for true audiophiles.

Combining state-of-the-art technology with superior build quality, this phono preamp provides exceptional sound clarity and detail, ensuring your vinyl records sound their absolute best.

**FEATURES**

-   **Advanced Circuitry**: Features sophisticated circuitry with high-quality components, ensuring ultra-low noise and high-fidelity audio reproduction.
-   **MM and MC Compatibility**: Compatible with both Moving Magnet (MM) and Moving Coil (MC) cartridges, offering flexibility to suit a wide range of turntables and cartridges.
-   **Enhanced Adjustability**: Provides extensive gain and loading options, allowing precise tuning to match your specific cartridge for optimal performance.
-   **Dual Mono Configuration**: The dual mono design minimises crosstalk and maximises channel separation, enhancing the overall sound quality.
-   **Premium Components**: Utilises high-end capacitors and resistors to ensure precise and clean signal processing.
-   **Shielded Metal Enclosure**: The robust metal casing protects internal components from electromagnetic interference and vibrations, ensuring clear and uninterrupted audio.
-   **Compact and Elegant Design**: The sleek and compact design allows for easy integration into any audio setup, saving space without compromising on performance.
-   **High-Quality Power Supply**: Comes with a high-quality external power supply to ensure stable and clean power delivery, further enhancing sound quality.

Elevate your vinyl listening experience with the Pro-Ject Phono Box S2 Ultra, offering advanced sound quality, versatile cartridge compatibility, and a sophisticated design for a truly immersive audio experience.

###### Specifications

-   **INPUT IMPEDANCE (MM):** 47 kΩ
-   **INPUT IMPEDANCE (MC):** 10, 100, 1000?
-   **PHONO STAGE CAPACITANCE (MM):** Switchable 100 or 220 pF
-   **PHONO STAGE GAIN (MM):** 40, 43 dB
-   **PHONO STAGE GAIN (MC):** 60, 63 dB
-   **PHONO STAGE EQUALIZATION OPTIONS:** RIAA
-   **SUBSONIC FILTER:** at 20Hz with 18dB/octave
-   **RIAA ACCURACY (20HZ - 20KHZ):** <0.4 dB
-   **THD (MM INPUT):** <0.0005 %
-   **THD (MC INPUT):** <0.004 %
-   **SIGNAL TO NOISE RATIO (MM INPUT):** 85 dB
-   **SIGNAL TO NOISE RATIO (MC INPUT):** 65 dB
-   **RCA INPUT(S):** 1
-   **FIXED ANALOGUE OUTPUT(S):** 1 x RCA Pair
-   **EXTERNAL POWER SUPPLY RATING:** 18V-500mA DC
-   **DIMENSIONS (W X H X D):** 103 x 36 x 113 mm
-   **WEIGHT:** 0.34 kg
-   **Warranty:** 2 Years

## Details

- **Price:** 219.0 GBP
- **Vendor:** Pro-Ject
- **Type:** Turntable Accessories
- **Tags:** BLACK5, SALE5

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Black | 219.00 GBP | In stock |
| Silver | 219.00 GBP | In stock |

## Images

- Pro-Ject Phono Box S2 Ultra - K&B Audio
- Pro-Ject Phono Box S2 Ultra - K&B Audio
- Pro-Ject Phono Box S2 Ultra - K&B Audio

---

> Source: [K&B Audio](https://www.kbaudio.co.uk/products/pro-ject-phono-box-s2-ultra)
> Updated: 2026-04-29