Uni Box S3

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Pro-Ject Audio Systems Uni Box S3 #1
Pro-Ject Audio Systems Uni Box S3 variant 1
Pro-Ject Audio Systems Uni Box S3 variant 2
Pro-Ject Audio Systems Uni Box S3 variant 3

Pro-Ject Audio Systems Uni Box S3

View at Pro-Ject Audio Systems
Built-in DAC
Phono Stage
Headphone Output
Wi-Fi
Bluetooth
HDMI eARC
Dual Mono Design
App Control
Network Audio
Spotify Connect
TIDAL Connect
AirPlay 2
Chromecast Built-in
Multi-Room Audio
Pre-Out

Integrated amplifier with modern streaming


  • True Wireless Sending and Receiving
  • Leading WiiM OS ™ technology
  • New Pro-Ject Home App
  • Countless streaming services
  • Dual mono design principle
  • Made in Europe

Streaming done right.

The Uni Box S3 dares to break away from the norm, redefining what a modern streaming amplifier can be. While many amplifiers are dominated by deeply integrated streaming tech – compromising their core design – the Uni Box S3 takes a different path.


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