Pro-Ject Wireless Box E – Compact Streaming Amplifier for Passive Speakers
The Pro-Ject Wireless Box E turns any pair of passive speakers into a fully wireless, app-controlled stereo system. With a built-in stereo amplifier, dual-band Wi-Fi, Bluetooth 5.0 and multiroom support, it removes the need for a separate amplifier or streamer—just connect speaker cables, open the app and play. Engineered to pair perfectly with Pro-Ject’s Speaker Box S2 and other compact bookshelf speakers, it delivers a tidy, modern hi-fi solution available at Soundium.
Key Features
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Built-in stereo amplifier: 2 × 25 W into 8 Ω / 2 × 50 W into 4 Ω drives most passive bookshelf speakers
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Pro-Ject True Wireless Receiving: Receives audio directly from compatible Pro-Ject streamers without intermediate hardware
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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
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Multiroom ready: Group multiple devices together for synchronized whole-home audio
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App-based setup: Automatic device detection and easy configuration via the Pro-Ject Home app
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Compact, hi-fi build: Aluminum enclosure with banana-plug speaker terminals for clean, secure cabling
Customer Benefits
Wireless Box E is the easiest path from a passive bookshelf speaker pair to a modern, streaming-ready hi-fi system. You skip a stack of separates and still get audiophile-grade Pro-Ject sound, multiroom flexibility and seamless integration with your existing turntable and streaming services.
Quick Specs
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Output power: 2 × 25 W / 8 Ω; 2 × 50 W / 4 Ω (1% THD)
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Frequency response: 20 Hz – 20 kHz (<-1.5 dB at 4 Ω)
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SNR: 96 dB (100 dB A-weighted) at 4 Ω
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THD: <0.12% at 5 W / 4 Ω
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Wi-Fi: Dual-band 802.11 a/b/g/n/ac (2.4 & 5 GHz)
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Bluetooth: 5.0 (SBC, AAC)
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Speaker output: 4 mm banana plug terminals
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Power supply: 22 V / 1 A DC, 100–240 V, 50/60 Hz
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Standby power: <0.5 W
What’s in the Box
- Pro-Ject Wireless Box E
- External power supply
- Wi-Fi antenna
- User manual
Use Cases / Ideal For
Perfect for audiophiles upgrading passive bookshelf speakers to wireless, vinyl listeners building a tidy multiroom setup, or anyone wanting a single compact box that powers speakers and streams from a phone, app or Pro-Ject streamer.
Compatibility
Works with the Pro-Ject Home app on iOS and Android and integrates seamlessly with Pro-Ject streamers via True Wireless Receiving. Compatible with most passive bookshelf or compact tower speakers via banana-plug terminals.
Pros & Cons
✅ Pros:
- Streaming amplifier in one compact unit—no separate amp needed
- Robust dual-band Wi-Fi and modern Bluetooth 5.0 codecs
- Multiroom support and Pro-Ject ecosystem integration
⚠️ Cons:
- Power output is best matched to compact bookshelf speakers, not large floorstanders
- External PSU instead of integrated power supply
The Pro-Ject Wireless Box E is the simplest, smartest way to give passive speakers a wireless future—available now at Soundium.
