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Pro-Ject Amp Box RS - Stereo Power Amplifier


In Stock

Colour: Black

  • Black
  • Silver
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Product Details

The Pro-Ject Amp Box RS offers 3-dimensional sound-staging, perfect micro dynamics and ultimate resolution combined with high power output and 2 ohm capability and also is the perfect solution for Bi– or Tri-Amping applications. The Amp Box RS is the perfect companion for the Pre Box RS and will give pure sound experience, that the real audiophile is looking for. Because of its heat emission Amp Box RS luxury casing, which is available in silver or black finish, should not be combined with Design Box Acryl.

Four specific characteristics make this a true high-end amplifier:

  1. Fully balanced double mono design
  2. Highly efficient energy saving PWM modules
  3. Tube buffer input stage
  4. Upgrade option PS Box RS for more power and further improved sound quality

The addition of linear power supply Power Box RS Amp adds even more depth and lets you hear all microscopic fine detail.


  • Fully balanced double mono design (Pulse Wave Modulation)
  • Highly efficient conversion from mains to output power (92%)
  • 2 ohms drive capability
  • Tube buffer stage with reference quality
  • SMD construction for shortest signal paths
  • Line level preamp inputs (RCA & XLR)
  • Top-quality speaker terminals
  • Metal casing protects against vibration and interference
  • DC power supply (< 1 Watt standby power)
  • Available in silver or black

Technical Specifications

  • Tube assembly: 2 x ECC88 (6922)
  • Power output: 2 x 110/ 180 W @ 8 Ohm/4 Ohm
  • Frequency response: 10 Hz - 50 kHz (- 0.8 dB/ - 3 dB)
  • Signal to noise ratio: >-100 dB (IEC -A)
  • THD: < 0.05% @ 100 W
  • Input: RCA & XLR-sockets
  • Input sensitivity: 1.35 V
  • Input Impedance: 22 kOhm
  • Speaker terminals: 4 mm Ø Banana, spade or bare wire
  • External power supply: 48 V/2.5 A DC; 100 - 240 V, 50/60 Hz
  • Standby consumption: < 1 Watt
  • Dimensions W x H x D: 206 x 72 x 220 mm with sockets
  • Weight: 2120 g without power supply

Further Information

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

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

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