Pro-Ject Phono Box S2 MM/MC Phono Pre-amplifier

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Pro-Ject Audio
Product Code:
Phono Box S2
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Phono Box S was one of our favourite products, it offered unrivalled sonics and versitality at a very affordable price. When we started creating Phono Box S2, its successor, it had to have exactly that but improve on sound even further. Phono Box S2 features incredible micro-details, dynamics and precision with a soundstage usually found in much more expensive products. The new S2 style housing is made of an aluminium/metal sandwich construction and not only offers highest aesthetics but also out-standingly protects it from unwanted electromagnetic interferences and vibrations. This guarantees for an undisturbed listening experience without worries. The switches on the bottom of the unit allow fine tuning the sound to your preferences and adjusting Phono Box S2 to any available cartridge!

Phono Box S was considered the best option of all entry-level phono stages by many acclaimed hifi magazines, Phono Box S2 is sure to follow its predecessor‘s footsteps and will set new standards at this price point!

Compatible upgrade power supply: Accu Box S2



  • Audiophile Performance
  • Dual mono configuration
  • Audiophile-grade amplification modules
  • Audiophile-grade polypropylene WIMA capacitors
  • Precise RIAA equalisation
  • Switchable Subsonic filter –12dB @ 20Hz
  • Switchable input impedance/capacitance
  • 4 adjustable gain levels
  • Outstanding sound quality
  • Available in silver or black


Technical Specifications


Input impedance

10 Ohm/ 100 Ohm/1 kOhm / 47 kOhm

Input capacitance

100 pF/ 200 pF/ 320 pF/ 420 pF

Gain switch

40 dB/ 43 dB/ 60 dB/ 63 dB

Subsonic switch

-12 dB @ 20 Hz

Signal-to-noise ratio

85 dB


0.01% MM/ 0.05% MC

RIAA accuracy

< 0,4 dB / 20 Hz - 20 kHz

In/Out sockets

1 pair RCA connectors

Power consumption

18 V / 85 mA

Outboard power supply

18 Volt DC/ 500 mA

Dimensions ( W x H x D )

103 x 36 x 115 mm

Face plate colour

silver or black


570 g net