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Amp Box S3

Micro audiophile stereo power amplifier

Efficient, audiophile & made in Europe!

The new Amp Box S3 offers one stereo RCA input and delivers powerful and room-filling sound to every loudspeaker. The new PCB concept & sophisticated topology achieves less distortion and a better signal to noise ratio. We designed this amp to match the sound characteristics of a tube amplifier as close as possible. Amp Box S3 brings you a rich and musical sound with an analogue touch of warmth into your living room. It is also the perfect solution for your desktop nearfield monitor speakers due to its size and superior spacious sound stage.

Application examples:
• HiFi Amplifier for 10-15 m2 rooms
• Audiophile desktop nearfield monitor amp
• Streamer power amp upgrade
• Multiroom power amp solution
• Home cinema power amp upgrade
• In-wall or celing speaker amp

The new Amp Box S3 is designed and produced in Europe and is available in a black & silver finish.


  • NEW PCB concept & sophisticated topology
  • NEW lower distortion & better SNR
  • Ultra compact & audiophile
  • Advanced amplifier module
  • Metal casing protects against vibration and interference
  • Made in Europe

Features & Specifications

Power output 2 x 23 W / 40 W at 8 ohms / 4 ohms
Peak power 2 x 50 W at 4 ohms
Frequency response 20Hz - 20kHz (- 0,7dB / 4 ohms)
Channel separation > -68 dB @ 20kHz
Signal-to-noise ratio 87dBV (100dBV-‚A‘ weighted)/4ohms
THD < 0,02% @ 10W / 4 ohms
Gain 31 dB
Input 1 pair RCA sockets
Input impedance 25 kohm
Speaker sockets 4mm Ø Banana, spades. pins or bare wire
Trigger 12V DC In&Out, 2-pole jack socket Ø 2,5mm
Power supply 20V/3A DC (universal power supply)
Dimensions W x H x D 103 x 36 x 118mm
Weight 385g without power supply

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