Stream Your Physical Media to Any Room
The Pro-Ject Stream Box E delivers rock-solid streaming from all the major services via dual-band Wi-Fi or Bluetooth 5.1, powered by the proven WiiM OS platform. Sweetwater home audio experts agree that the analog RCA input is what really sets it apart. This lets you connect a turntable or CD player and stream it wirelessly to other rooms, so your physical media collection isn't confined to a single listening space. The variable RCA output lets the Stream Box E double as a preamp, driving power amps or active speakers directly. A high-performance DAC handles analog conversion, and an optical S/PDIF output is available if you prefer an external DAC. Control everything through the Pro-Ject Home app, including per-source EQ, so each system component sounds its best. Housed in a compact, EMI-shielded, robust enclosure that can be safely stacked atop your existing amp, the Stream Box E is a remarkably versatile foundation for a modern audio system.
Powered by WiiM OS
WiiM OS is the streaming platform behind some of the most well-regarded network streamers on the market, and it's the engine powering the Stream Box E. Built by a team of engineers with backgrounds at Google, Broadcom, and Harman, WiiM OS was designed from the ground up for one purpose: delivering a stable, intuitive, and feature-rich streaming experience. The result is an app and platform that hi-fi enthusiasts and casual listeners alike have embraced as one of the best in the business. For the Stream Box E, that means effortless setup, reliable performance, broad streaming service support, and robust multiroom management, all through the Pro-Ject Home app. From day one, you’ll get a mature, actively developed platform with a proven track record.
Pro-Ject: projecting sonic purpose and premium playback performance
Since its founding in 1991, Pro-Ject has pursued a singular mission: to provide premium analog listening experiences for music lovers. During a time in which the succession of CDs and digital audio over analog and vinyl seemed all but inevitable, company founder Heinz Lichtenegger doubled down. Heinz and his talented team were determined to introduce new listeners to the world of genuine, true-stereo, hi-fi audio, complete with a menu of value-laden products. Considering that the RIAA reported that vinyl outsold CDs in 2022 — the first time it had done so since 1987 — it’s clear that Pro-Ject’s long-term wager paid off. The company’s initial major success stemmed from the release of its debut turntable, the Pro-Ject 1. Since then, Pro-Ject has materialized as a worldwide window into the world of high-fidelity analog listening. The company collaborates with manufacturers, engineers, and designers around the world to produce parts from scratch, ensuring everything from the smallest screw to the most complex components maximizes quality. This all-encompassing commitment has manifested in an extensive line of turntables, speakers, cables, amplifiers, tonearms, cartridges, and more. Whether you’re a newcomer to the format or a veteran collector, Sweetwater invites you to chart your vinyl voyage with Pro-Ject — supreme style and sonic substance are only the beginning.


Pro-Ject Stream Box E Features:
- Versatile streamer that makes a great foundation for modern audio systems, including those based on physical media
- Analog RCA input lets you stream a connected turntable or CD player to other rooms wirelessly
- Groups with Uni Box S3, Wireless Box E, and WiiM devices, so you can stream synchronized audio throughout your home
- Variable RCA analog output lets the Stream Box E double as a preamp, driving power amps or active speakers directly
- Powered by WiiM OS, delivering proven stability and a polished app experience
- Compatible with all the major streaming services and web radio
- Per-source graphic and parametric EQ let you optimize each input's sound so every source in your system sounds its best
- High-performance DAC delivers clean, accurate analog output with SNR >102dB, THD <0.009%, and channel separation >106dB
- Optical S/PDIF output (up to 24-bit/192kHz) for easy integration with an external DAC or the digital input on your amp or receiver
- Reliable streaming even in congested network environments, thanks to dual-band Wi-Fi (2.4GHz and 5GHz)
- Bluetooth 5.1 support for wireless playback from phones and compatible turntables (SBC and AAC)
- Pro-Ject Home app offers full access to playback, settings, and multiroom management
- Aluminum front panel with play/pause and volume buttons for quick music control
- Compact, EMI-shielded metal chassis can be stacked atop your amp without signal interference