Pro-Ject Wireless Box E, wireless network amplifier

INFORMATION

Pro-Ject Wireless Box E - a simple way to give your passive speakers modern wireless audio capabilities. This compact amplifier connects directly to the speaker and allows you to listen to music via Wi-Fi, Bluetooth, and popular music streaming platforms. It is a convenient solution for upgrading your existing audio system without needing a large amplifier or complex installation.

Output power: 1 × 25 W at 8 Ω / 1 × 50 W at 4 Ω
Streaming platform: WiiM OS
Wi-Fi: 802.11 a/b/g/n/ac, 2.4 GHz / 5 GHz
Bluetooth: Bluetooth 5.x, SBC / AAC
Frequency range: 20 Hz–20 kHz
DAC: TI PCM5121, up to 24 bit / 192 kHz

🏆 Pro-Ject Wireless Box E - Winner of the EISA Accessory 2026–2027 award.

DESCRIPTION

Plug-in Streaming Amplifier

From Passive to Smart in Seconds

The Wireless Box E is a compact and versatile streaming amplifier designed to transform traditional passive speakers into modern wireless active audio systems. By connecting directly to speaker terminals of Pro-Ject loudspeakers, it eliminates the need for a separate amplifier while delivering powerful and efficient audio performance.

For speakers from other brands, a Connect it LS Flex extension cable is available separately, expanding compatibility and making the system even more adaptable. This flexibility makes the Wireless Box E an ideal solution for users who want to upgrade their existing speaker setups with minimal effort, avoiding complex installations or bulky equipment. Overall, it combines modern wireless functionality with straightforward usability, offering a smart and efficient way to bring traditional audio systems into the digital age.

Seamless Wireless Integration

Setting up the WiFi connection is a breeze. Just open the app and it automatically detects your new Wireless Box E and walks you through the setup process. Featuring Pro-Ject True Wireless Receiving technology,
the Wireless Box E can receive audio directly from the Uni Box S3 and Stream Box E. Once connected, audio signals from various source devices can be distributed wirelessly to multiple Wireless Box E units within the same network, enabling flexible multiroom playback. You can group multiple latest generation Pro-Ject & WiiM streamers*, build flexible multi-room systems and listen to your favourite vinyl records anywhere.

* Currently compatible with Stream Box E, Uni Box S3, Wireless Box E & WiiM devices.

Features
Streaming Technology powered by WiiM OS™
Attached directly to speaker terminals
Turns any passive speaker active
Pro-Ject True Wireless Receiving: Any turntable, CD player, FM/DAB radio, TV, etc. connected to Uni Box S3, Stream Box E or other next generation Pro-Ject streamers* can be streamed to Wireless Box E
Wireless vinyl streaming from T2 W
Pro-Ject Home App - access to countless streaming services
1 x 25W/50W at 8/4ohms
Dual band Wi-Fi 802.11 a/b/g/n/ac 2.4 GHz & 5 GHz
Multiroom capable
Compatible with Uni Box S3, Stream Box E and next generation Pro-Ject Streamers
Aluminium frontpanel & metal chassis

TECHNICAL DATA

Output power:    1 x 25W/50W at 8/4ohms (1%THD)
WiFi:    Dual band Wi-Fi supports 802.11 a/b/g/n/ac 2.4 GHz and 5 GHz network
BT version/profile:    Bluetooth 5.0, SBC and AAC codec
Streaming Technology:    WiiM OS
Frequency response (20Hz-20kHz):    <-1,5dB at 4ohms
SNR:    96dB (100 dB - ‚A‘ weighted) at 4ohm
Channel separation:    -67dB @ 10kHz
THD:    < 0,12% at 5W / 4 ohms
Speakers output:    4mm banana plugs
Power supply:    22V/1A DC 100 - 240V, 50/60Hz
Power consumption in standby:    <0.5W

DOCUMENTS

Data sheet (EN)
User manual (EN)