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Pro-Ject Audio Systems

Pro-Ject Amp Box S3

Regular price $399.00 USD
Regular price Sale price $399.00 USD
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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