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Pro-Ject Stereo Box S

Integrated Amplifier


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Pro-Ject Stereo Box S Details

Pro-Ject Stereo Box S Compact Integrated Stereo Amplifier: Big sound from tiny box

Pro-Ject Partner

  • Output power 2 x 20W/30W @ 8 Ohm/4 Ohm (both channels driven)
  • Frequency response 5Hz - 20kHz (+ 0dB, - 0,5dB)
  • Channel separation> 40dB @ 20kHz
  • Signal to noise ratio> -100dB (IEC -A)
  • Input impedance 20k ohms

This compact integrated stereo amplifier achieves both a sound quality and SPL output that belies its small size. Designed around a Bi-Phase PWM (Pulse-Width Modulation) digital amplifier circuit, the Stereo Box S achieves a remarkable 80% operational efficiency and a highly dynamic 30 watts per channel output into 4 ohms. The shielded metal chassis protects the circuitry from vibration and electromagnetic interference for the highest fidelity possible.

With a remote control that can adjust volume and can switch inputs, this amazing little box is perfect for your desktop audio system.

Additional Information

Name Pro-Ject Stereo Box S
Sub Title Integrated Amplifier
Manufacturer Pro-Ject
Manufacturer Part# STEREO BOX S

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  • Output power: 2 x 25W / 30W @ 8 / 4 ohms (both channels driven)
  • Frequency response: 5Hz - 20kHz (+ 0dB, -0,5dB)
  • Channel separation: > 40dB at 20kHz
  • Signal to noise ratio: > -100dB (IEC -A)
  • THD: < 0,05% at 10 Watts
  • Line level inputs: 2 pair RCA
  • Input impedance: 20k Ohm
  • Reciord out: 3,5mm jack plug
  • Power supply: 20V/3A DC (peak 7A DC) 100 - 240V, 50/60Hz
  • Max power surge: 20V/3A DC
  • Dimensions W x H x D: 103 x 36 x 122)mm (4.1" x 1.4" x 4.8")
  • Weight: 720g without power supply
What's in the Box
Pro-Ject Stereo Box S
Power Cord
DC Power Supply
Remote Control