The new Amp Box S2 offers one stereo RCA input and delivers powerful and room-filling sound to every loudspeaker.

The sound characteristics of this power amplifier mimic that of tube power amplifiers, with their lush, rich and musical sound with an analogue touch of warmth. Amp Box S2 is ultra-compact and allows for the 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. Amp Box S2 comes in a luxurious design with a stable housing made of aluminum/metal, which effectively protects against interferences and vibrations!

Additional information
Weight 0.385 kg
Dimensions 13.6 × 10.3 × 3.7 cm



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


  • Power output: 2 x 23W/35W at 8 ohms/4 ohms (both channels driven)
  • Frequency response: 5Hz – 20kHz (-0,2dB, -0,2dB)
  • Channel separation: >-55dB at 10kHz
  • Noise floor: >-100dB (A weighted)
  • THD+N: <0,18% at 10W
  • Gain: 31dB
  • Pre in: 1 pair RCA/phono sockets
  • Bypass output: Jack socket 3,5mm stereo
  • Input sensitivity: 330mV
  • Input impedance: 20kohms
  • Speaker connectors: 4mm 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

Upgrades & Add-Ons…