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Pro-Ject - Power Box S3 - Phono Power Supply

Original price $299.00 - Original price $299.00
Original price
$299.00 - $299.00
Current price $299.00
1+ in stock
Only 1 left!

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🇦🇺 About Our Award-Winning Service

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Ever felt the frustration of a mismatched audio system? The hours lost deciphering reviews, and the disappointment when it doesn't meet your expectations? We understand because we've been there.

Meet Stuart, Yvonne, Nathan, and Vaughan. But more importantly, meet the solution to your audio dilemmas.

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ℹ Product Information

Power Box S3 Phono - Double power for your turntable and phono preamp!

Power Box S3 Phono is an efficient and flexible power filter for your turntable and phono preamp. By moving the power supply from outside of the main component, unwanted noise and audio signal contamination is avoided. Clean energy makes a significant positive contribution to the sound quality.

The two outputs are specifically engineered to power Pro-Ject turntables and phono preamplifiers. The sophisticated DC filtration can have a dramatic impact on the sound quality. In addition to the sonic improvements, Power Box S3 Phono also offers its users a more streamlined cable solution.


  • NEW all in one power supply for your phono setup
  • NEW compatible with all 18V Phono Boxes
  • NEW compatible with all 15V DC turntables*
  • Ultra stable & clean power
  • Low noise power output
  • Linear voltage regulation
  • Low ESR capacitors
  • Rigid aluminium casing protects against interference
  • Available in black or silver
  • Made in Europe

Recommended products to use with Power Box S3 Phono

Phono Preamplifiers

  • Optical Box E Phono
  • Phono Box
  • Phono Box DS
  • Phono Box DS2
  • Phono Box DS3 B
  • Phono Box DS2 USB
  • Phono Box E
  • Phono Box E BT / BT5
  • Phono Box MM
  • Phono Box S
  • Phono Box S2
  • Phono Box S3 B
  • Phono Box S2 Ultra
  • Phono Box ultra 500
  • Phono Box USB
  • Phono Box USB V
  • Tube Box S2
  • Tube Box DS2

DC Turntables

  • Automat Line
  • E Line
  • Elemental Line
  • Primary Line
  • T Line
  • Essential Line
  • Debut Line
  • The Classic Line
  • RPM 1 & RPM 3
  • X1 -Artist Collection

THIS PRODUCT IS NOT SUITABLE for the following turntables: X2, X8, Xtension 9, Xtension 10, Xtension 12, RPM 5, RPM 9, RPM 10.


  • Input power supply: 18V / 1000mA
  • Output voltage/ripple: 1 x 15V ±0,5%
  • Output current: both outputs combined max. 1000 mA
  • Dimensions (W x D x H): 103 x 37 x 106 mm
  • Weight: 370g without power supply
ℹ Specifications

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