Wireless Box E

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Wireless Box E
Upgrade passive speakers to wireless hi-fi in seconds. Wireless Box E mounts to speaker terminals, adding streaming, app control, Bluetooth and multi-room playback, with clean power and minimal cabling.

From Passive to Smart in Seconds

Wireless Box E is a compact streaming amplifier that connects straight to speaker terminals, turning traditional passive loudspeakers into a modern wireless active system without a separate amplifier. It keeps your setup clean and minimalist while delivering confident, efficient power. For non-Pro-Ject speakers, the optional Connect it LS Flex extension cable widens compatibility when terminals aren’t directly accessible.

Premium Build, Made to Last

Finished with a high-quality aluminium front panel and a robust metal chassis, Wireless Box E looks at home alongside premium hi-fi separates while staying discreet behind your speakers. The result is an elegant upgrade that avoids bulky boxes and messy cabling.

System Flexibility as You Grow

Your system can evolve at any time: add a Uni Box S3 or Stream Box E to bring analogue and digital sources into a single hub, then send everything wirelessly to your Wireless Box E speaker setups. It’s ideal for awkward room layouts where speaker-cable runs are impractical.

Quick Wi-Fi Setup in the Pro-Ject Home App

Connect to your network in moments: open the Pro-Ject Home app, let it detect Wireless Box E automatically, and follow the guided setup. Dual-band Wi-Fi (802.11 a/b/g/n/ac) supports both 2.4 GHz and 5 GHz networks for stable streaming.

Pro-Ject True Wireless Receiving & Multi Room

With Pro-Ject True Wireless technology, Wireless Box E can take audio directly from compatible sources such as Uni Box S3 and Stream Box E, then distribute it across your network to multiple Wireless Box E units for flexible multi-room playback. Group the latest-generation Pro-Ject and compatible WiiM streamers and enjoy synchronised listening throughout your home.

Integrated Amplification with Confident Power

The built-in amplifier delivers 25 watts into 8Ω and 50 watts into 4Ω, giving you punchy, controlled performance with a wide range of passive speakers. Because each Wireless Box E attaches to the speaker, you keep speaker placement flexible while reducing cable clutter.

Streaming Services, Bluetooth and Ecosystem Compatibility

Control volume and music from your phone or tablet, with access to major streaming services in the Pro-Ject Home platform including Spotify, Tidal, Amazon Music, Qobuz, TuneIn and more, plus Bluetooth for quick playback. Wireless Box E also fits neatly into the wider Pro Ject ecosystem and works with compatible WiiM streamers for a future proof system.

  • Control all of your important sources through one interface
  • Support for Spotify, Tidal and Qobuz music streaming
  • Wireless Bluetooth streaming input
  • Solid metal casing protects from interferences
  • Pro-Ject Home application available
  • Streaming Technology powered by WiiM OS™

This product is no longer available to order and will not be coming back into stock.

In Stock products are those that are currently held in stock at our Oxfordshire warehouse. This stock status is updated regularly but is subject to change at very short notice.

Products that are Awaiting Stock are items that we would normally carry on stock at our Oxfordshire warehouse, but are currently unavailable. Chances are there is already more on the way, but if you would like a more accurate availability status please feel free to Contact Us.

Urgent order items are products that we do not normally carry on stock, but they are typically held on stock by our European suppliers. Depending on availability, we will seek to order these products quickly, when we have an enquiry. They can therefore be subject to quicker availability times than "Special Order" products.

Special Order items are those that are most often built to order. For these items, we tend to experience longer lead times as we negotiate them into the production line with our suppliers.

Exclusive products are sold only through one, or sometimes a very small number of dealers. As part of their commitment to the product’s exclusivity, they carry most of the available stock. To find out your best dealer for this product and to check its availability with them, click the ‘Recommended Dealers’ button under the product gallery on this page.

Wireless Box E

RRP: £199.00

Upgrade passive speakers to wireless hi-fi in seconds. Wireless Box E mounts to speaker terminals, adding streaming, app control, Bluetooth and multi-room playback, with clean power and minimal cabling.

Options:

From Passive to Smart in Seconds

Wireless Box E is a compact streaming amplifier that connects straight to speaker terminals, turning traditional passive loudspeakers into a modern wireless active system without a separate amplifier. It keeps your setup clean and minimalist while delivering confident, efficient power. For non-Pro-Ject speakers, the optional Connect it LS Flex extension cable widens compatibility when terminals aren’t directly accessible.

Premium Build, Made to Last

Finished with a high-quality aluminium front panel and a robust metal chassis, Wireless Box E looks at home alongside premium hi-fi separates while staying discreet behind your speakers. The result is an elegant upgrade that avoids bulky boxes and messy cabling.

System Flexibility as You Grow

Your system can evolve at any time: add a Uni Box S3 or Stream Box E to bring analogue and digital sources into a single hub, then send everything wirelessly to your Wireless Box E speaker setups. It’s ideal for awkward room layouts where speaker-cable runs are impractical.

Quick Wi-Fi Setup in the Pro-Ject Home App

Connect to your network in moments: open the Pro-Ject Home app, let it detect Wireless Box E automatically, and follow the guided setup. Dual-band Wi-Fi (802.11 a/b/g/n/ac) supports both 2.4 GHz and 5 GHz networks for stable streaming.

Pro-Ject True Wireless Receiving & Multi Room

With Pro-Ject True Wireless technology, Wireless Box E can take audio directly from compatible sources such as Uni Box S3 and Stream Box E, then distribute it across your network to multiple Wireless Box E units for flexible multi-room playback. Group the latest-generation Pro-Ject and compatible WiiM streamers and enjoy synchronised listening throughout your home.

Integrated Amplification with Confident Power

The built-in amplifier delivers 25 watts into 8Ω and 50 watts into 4Ω, giving you punchy, controlled performance with a wide range of passive speakers. Because each Wireless Box E attaches to the speaker, you keep speaker placement flexible while reducing cable clutter.

Streaming Services, Bluetooth and Ecosystem Compatibility

Control volume and music from your phone or tablet, with access to major streaming services in the Pro-Ject Home platform including Spotify, Tidal, Amazon Music, Qobuz, TuneIn and more, plus Bluetooth for quick playback. Wireless Box E also fits neatly into the wider Pro-Ject ecosystem and works with compatible WiiM streamers for a future proof system.

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