Pro-Ject Stream Box E – Entry-Level Network Streamer with WiiM OS

The Pro-Ject Stream Box E is a feature-rich, entry-level network streamer powered by WiiM OS. It adds modern Wi-Fi, Bluetooth and multiroom capability to any existing hi-fi setup—whether you’re feeding an integrated amplifier, a power amp, or active speakers. Pro-Ject True Wireless Sending and Receiving means you can also use it as a tidy bridge between turntables, streamers and active systems. A robust aluminum and metal enclosure with electromagnetic shielding keeps the signal clean, while the Pro-Ject Home app makes setup effortless.

Key Features

• Powered by WiiM OS: Mature streaming platform with TIDAL, Spotify, Amazon Music, Qobuz, AirPlay 2, Roon Ready and more
• Pro-Ject True Wireless Sending & Receiving: Use the RCA input to wirelessly send turntable audio to compatible Pro-Ject devices
• Dual-band Wi-Fi & Bluetooth 5.0: 802.11 a/b/g/n/ac on 2.4 & 5 GHz plus SBC and AAC Bluetooth codecs
• Versatile I/O: RCA stereo input and output plus optical S/PDIF (Toslink) for digital connections
• Robust enclosure: Aluminum and metal chassis with electromagnetic shielding for low-noise streaming
• Multiroom ready: Pairs with other WiiM-compatible devices for synchronized whole-home audio

Customer Benefits

Stream Box E is the simplest way to bring full-featured streaming, multiroom and wireless turntable connectivity to an existing system. You keep your current amplifier and speakers, gain modern source flexibility, and stay inside the Pro-Ject ecosystem with the Home app.

Quick Specs

• Wi-Fi: Dual-band 802.11 a/b/g/n/ac (2.4 & 5 GHz)
• Bluetooth: 5.0 (SBC, AAC)
• Audio output: 3 V rms nominal (line out)
• Frequency response: 20 Hz – 20 kHz (@ -1.5 dB)
• SNR (line out): >102 dB
• THD (line out): <0.009%
• Channel separation: >106 dB (@10 kHz)
• Connectivity: RCA stereo in/out, optical S/PDIF (Toslink)
• Power supply: 5 V / 1000 mA DC; 100–240 V, 50/60 Hz

What’s in the Box

• Pro-Ject Stream Box E
• External power supply
• Wi-Fi antenna
• User manual

Use Cases / Ideal For

Ideal for hi-fi enthusiasts adding Wi-Fi to an existing integrated amplifier, vinyl listeners pairing turntables with active speakers wirelessly, and anyone building a compact multiroom setup around the WiiM ecosystem.

Compatibility

Connects to integrated amps and active speakers via RCA or optical, and integrates with WiiM Home, Pro-Ject Home, AirPlay 2, Spotify Connect, TIDAL Connect and Roon Ready streaming.

Pros & Cons

✅ Pros:

• Mature WiiM OS with broad streaming service support
• Wireless turntable bridge via True Wireless Sending
• Compact, well-shielded aluminum chassis

⚠️ Cons:

• No internal storage—relies on streaming or external sources
• Single RCA stereo input limits hardwired source count

The Pro-Ject Stream Box E is a flexible, affordable streamer that brings any hi-fi system into the modern wireless era.