Pricing and availability

We compare 600+ stores and found this item at 2 stores. Prices updated .

Price History

Based on price data from 1 merchant for "Pro-Ject Phono Box S2 MM/MC Phono Preamp". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.

Description

Vinyl enthusiasts, meet the Pro-Ject Phono Box S2 MM/MC Phono Preamp, a hidden gem in the world of entry-level audio gear, designed to give your records the stage they deserve. This impressive piece of technology is not just about sound, but about delivering an immersive listening experience that rivals its higher-end counterparts. With audiophile-grade amplification modules, the Phono Box S2 ensures every note is crisp and clear, capturing the essence of your favorite tracks.

Engineered with precision RIAA equalization, it offers hyper-accurate frequency reproduction, making it a perfect companion for both moving-magnet and moving-coil cartridges. Its dual-mono configuration provides superior channel separation, contributing to a soundstage that will make you feel like you're in the front row of a live performance. And with four selectable gain levels and a subsonic filter, you can tailor your audio experience to match your personal preferences.

Housed in a sleek steel chassis with aluminum panels, the Phono Box S2 not only looks good but effectively shields against interference. It's a testament to Pro-Ject's commitment to quality and style, ensuring that your journey into the realm of vinyl is both stylish and sonically satisfying. Whether you're a newcomer or a seasoned collector, this preamp is your ticket to exploring the rich, warm tones that only vinyl can offer.

Key Features:

  • Precise RIAA equalization for accurate frequency reproduction
  • Dual-mono design for maximum channel separation
  • Audiophile-grade amplification modules
  • Bottom-panel MM/MC DIP switch for cartridge versatility
  • 4 selectable gain levels and switchable cartridge impedance
  • 20Hz subsonic filter to eliminate low-frequency rumble
  • Steel chassis with aluminum panels to prevent interference

Product specs

Preamp Type S2 MM/MC Phono Preamp, Black
Number of Channels Dual Mono
EQ RIAA
Analog Inputs 1 x Dual RCA Phono (MM/MC)
Analog Outputs 1 x Dual RCA Phono
Power Source 18V/500mA DC Power Supply (included)
Height 1.45"
Depth 4.68"
Width 4.44"
Weight 11.99 oz

FAQs

Is the Pro-Ject Phono Box S2 suitable for both MM and MC cartridges?

Yes, the Pro-Ject Phono Box S2 is compatible with both Moving Magnet (MM) and Moving Coil (MC) cartridges, making it versatile for various turntable setups.

What kind of equalization does the Pro-Ject Phono Box S2 use?

The Pro-Ject Phono Box S2 uses RIAA equalization, which is the standard for phono preamps, ensuring accurate playback of vinyl records.

What are the input and output connections on the Pro-Ject Phono Box S2?

The Pro-Ject Phono Box S2 features 1 dual RCA phono input for MM/MC and 1 dual RCA phono output, allowing seamless integration with your audio system.

Does the Pro-Ject Phono Box S2 come with a power supply?

Yes, the Pro-Ject Phono Box S2 includes an 18V/500mA DC power supply, so you can easily power up the preamp right out of the box.

How compact is the Pro-Ject Phono Box S2?

The Pro-Ject Phono Box S2 is compact, with dimensions of 1.45" in height, 4.68" in depth, and 4.44" in width, making it easy to fit into most audio setups.

freund333

freund333

Project Phono Box S2 Phono Preamp Review

Video thumbnail for Project Phono Box S2 Phono Preamp Review by freund333

Project Phono Box S2 Phono Preamp Review

freund333

freund333

Video thumbnail for Pro-Ject Audio Systems Phono Box S2 Phono Preamp- Vintage Audio Review Episode #149 by Vintage Audio Review

Pro-Ject Audio Systems Phono Box S2 Phono Preamp- Vintage Audio Review Episode #149

Vintage Audio Review

Vintage Audio Review

Video thumbnail for Pro-Ject Phono Box S2: Audiophile Heaven or Hype? by Gadget Reviews

Pro-Ject Phono Box S2: Audiophile Heaven or Hype?

Gadget Reviews

Gadget Reviews

Reviews

PROS

  • Front on/off switch prevents speaker damage from power surges

  • Adjustable capacitance load enhances sound customization

  • Improved stereo separation with dual mono circuits

  • Silent operation with no detectable noise or hum

  • Solid metal construction offers durability and premium feel

  • Small footprint allows for easy placement in setups

  • Simple DIP switch setup for easy customization

  • Known for excellent soundstage and detail enhancement

  • Offers great value for price with high-quality sound improvements

CONS

  • Ground lugs may require replacement for better quality

  • Some units reported as unreliable over long-term use

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Pro-Ject Phono Box S2 MM/MC Phono Preamp.

Comparisons

  • The Mani 2 offers improved sonics over its predecessor, with enhancements in quietness, clarity, and imaging for both MM and MC cartridges.

    Source
  • The iFi Zen Phono is praised for its near-silent noise floor and mid-range detail, though it can sound warm, potentially affecting high-end details on some records.

    Source
  • A user found the Mani 2's sound stage and imaging more detailed and bright compared to the iFi Zen Phono's deeper mid-range focus, impacting stereo separation.

    Source
  • Users comparing the Pro-Ject Phono Box S2 to the Schiit Mani note the Pro-Ject's well-rounded sound that some find less bright than the Mani.

    Source
  • The Fosi X5 is mentioned as a strong competitor to the Pro-Ject Phono Box S2, praised for its price-to-performance ratio, though some users experience quality inconsistencies.

    Source

User experience

  • Owners of the Pro-Ject Phono Box S2 describe the sound as clinical, noting it retrieves more information but lacks warmth compared to built-in preamps.

    Source
  • Some owners appreciate the Pro-Ject Phono Box S2's value, especially when purchased as an open box deal, highlighting its affordability in the phono preamp market.

    Source
  • One user found that other Pro-Ject models, like the DS2, provided significant sound improvements over basic models, suggesting the S2 could offer similar value.

    Source

Features and functionality

  • The Schiit Mani 2 features rumble filtering and selectable capacitances, which are considered valuable extras by users.

    Source
  • The Pro-Ject Phono Box S2 offers flexibility in gain and capacitance settings, allowing users to match the preamp to their cartridge for optimal sound customization.

    Source
  • The Pro-Ject Phono Box S2 includes a subsonic filter aimed at reducing acoustic feedback, which can be a key feature for some vinyl enthusiasts.

    Source
  • The Pro-Ject Phono Box S2's use of dip switches for adjustments is noted, contrasting with higher-end models that offer front-facing controls.

    Source

Setup and maintenance

  • Swapping a felt mat for a white acrylic one can reduce static and improve record visibility, a practical tip for users experiencing static issues.

    Source

Value and pricing

  • In Australia, the Pro-Ject Phono Box S2 is a more affordable option compared to the Schiit Mani 2, due to local availability and import costs.

    Source

Critic Reviews

Pro-Ject Phono Box S2 MM/MC Phono Preamplifier Review | StereoNET International

stereonet.com

The Pro-Ject Phono Box S2 punches well above its weight, offering impressive audio quality for its $280 price point. Its elegant simplicity and compact build are appealing, making it an excellent choice for both entry-level and seasoned audiophiles. While it shines with moving coil cartridges, its performance with moving magnet cartridges is slightly less transparent, lacking some fine detail. Nonetheless, it delivers a warm midrange and taut bass, showcasing musical emotions with commendable presence. For budget-conscious buyers seeking quality sound, the Phono Box S2 stands as a fantastic value-for-money option.

positive

Based on 0 Reviews and 0 Ratings

5 star
4 star
3 star
2 star
1 star

More Pro-Ject Home Amplifiers

Accessories & Related Items

Artist usage

Community setups

Similar