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Pro-Ject - Pre Box S2 Analogue - Preamplifier



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Audiophile pre-amplifier with 3 line inputs and remote control!

Pre Box S2 Analogue features three line level inputs, two pairs of RCA sockets as well as one separate 3.5 millimeter input. Three individual analogue signals can be passed on to a power amplifier, such as Amp Box S2 or other Pro-Ject Box Design power amplifiers, via the RCA pre-output! The 3.5mm fixed line level output can pass the signal on to an additional amplifier, such as a Head Box S2. A 12V trigger output can remotely turn on other products with trigger input for improved comfort and convenience. The incredibly low harmonic distortion levels guarantee a listening experience which has never been available in this pricerange! The housing is made of an aluminium/metal sandwich construction for highest aesthetics and to protect against unwanted electromagnetic interference and vibratios. Pre Box S2 Analogue comes in silver or black and can be powered by any 5V powerbank or the supplied power supply.



  • Advanced circuitry with premium components
  • Neutral sound with superior low noise floor
  • v3 Stereo Line inputs
  • 1 fixed line output
  • 1 pre output
  • Motorised volume control
  • SMD for short signal paths
  • Low output impedance for low loss with long cables
  • Gold-plated connections
  • Remote control for on/off, input select, volume
  • Trigger outputs for Amp Box and Switch Box
  • Alu/Metal casing protects against vibration and interference
  • Available in black and silver



  • Frequency Response - 20Hz - 80kHz
  • Noise Floor - -105dB (A weighted)
  • THD+N - 0,0005%
  • Gain - 8,5dB
  • Pre out - 1 x RCA
  • Fixed Output - 1 x 3.5mm
  • Output Voltage Typically - 1V at 1kHz
  • Line-level Inputs - 2 x RCA, 1 x 3.5mm
  • Input Impedance - 15kohms
  • Trigger Out - 2-pole 2,5mm co-axial jack
  • outboard Power Supply - 5V/500mA DC, suitable for your country's mains supply
  • Standby Power Consumption - < 1 watt
  • Dimensions (WxHxD) - 103 x 37 x 120 mm
  • Weight - 405g (without power supply)

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