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Pro-Ject Amp Box S2 - Stereo Power Amplifier


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Colour: Black

  • Black
  • Silver
Back In Stock on - [19041994]
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The new Pro-Ject Amp Box S2 offers one stereo RCA input and delivers powerful and room-filling sound to every loudspeaker. The aimed sound characteristics of this power amplifier was the one of tube power amplifiers, with their lush, rich and musical sound with an analogue touch of warmth. The Amp Box S2 is ultra compact and allows for easiest placement in every listening room and can be turned on and off remotely via the trigger sockets. For Bi– or Tri-amplification you can use the trigger outputs to connect further power amplifiers.

The Amp Box S2 comes in a luxurious design with a stable housing made of aluminium/metal, which effectively protects against interferences and vibrations.


  • Ultra compact & audiophile
  • advanced amplifier module
  • More power and further improved performance
  • Stereo input (RCA)
  • Isolated speaker sockets
  • Suitable for banana/spade/pin/bare wire
  • Trigger input
  • Trigger output for further Amp Box S2
  • Metal casing protects against vibration and interference
  • On/Off front-sided
  • Available in silver or black

Technical Specifications

  • Power output: 2 x 23 W / 35 W at 8 ohms/4 ohms (both channels driven)
  • Frequency response: 5 Hz - 20 kHz (+ 0.2 dB, - 0.2 dB)
  • Channel separation: >-55dB at 20kHz
  • Noise floor: >-100dBA
  • THD: <0.18% at 10 W
  • Gain: 31 dB
  • Pre in: 1 pair RCA/phono sockets
  • Bypass Output: Jack socket 3,5mm stereo
  • Input sensitivity: 330 mV
  • Input impedance: 20 kohms
  • Speaker connectors: 4 mm banana plugs, spades connectors or naked wire
  • Trigger: 12V DC switching voltage, 2-pole co-axial, 2.5mm co-axial jack
  • Outboard power supply: 20V/3A DC (peak 7A DC), suitable for your country's mains supply
  • Power consumption: 3A DC, <1W in standby
  • Dimensions W x H x D with sockets: 103 x 37 x 136 mm
  • Weight: 385 g without power supply

Further Information

Pro-Ject Amp Box S2 - Stereo Power Amplifier - User Manual

Pro-Ject Amp Box S2 - Stereo Power Amplifier - Product Information

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