Published On: November 6, 2024

The Pro-Ject Stereo Box E Could Be Your Perfect First Amp

Published On: November 6, 2024
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The Pro-Ject Stereo Box E Could Be Your Perfect First Amp

Pro-Ject’s new Stereo Box E promises high-quality sound in a compact, affordable package designed to bring hi-fi to newcomers.

The Pro-Ject Stereo Box E Could Be Your Perfect First Amp

Pro-Ject Audio Systems has introduced its latest addition to the Box Design series, the Pro-Ject Stereo Box E, a compact and affordable integrated stereo amplifier designed to serve as an entry point for those exploring high-quality audio. Positioned below Pro-Ject’s MaiA S3 range, this model is aimed at listeners looking for versatile connectivity options within a minimalistic, space-saving design.

Measuring a compact 5.1 cm x 20.6 cm x 11.5 cm, the Stereo Box E is designed for flexibility, with a modest power output of 21 watts per channel at 8 ohms, or a total of 42 watts. Though it doesn’t rival the output of higher-end models, the Stereo Box E makes up for it with carefully engineered circuitry inspired by Pro-Ject’s more expensive offerings, aiming to deliver a pure, high-fidelity signal for accurate music reproduction.

Built into a sturdy steel chassis with a brushed aluminium front panel, the unit also features aluminium buttons, balancing durability with a sleek aesthetic suitable for desktop or HiFi rack setups.

The Stereo Box E boasts a robust selection of input and output options, supporting an array of both digital and analog sources. Users will find three analog inputs: an RCA input, a 3.5mm auxiliary input, and a phono input tailored for moving magnet (MM) cartridges, accommodating users with turntable setups.

Pro-Ject Stereo Box E integrated stereo amplifier.

On the digital side, the unit includes coaxial and dual optical S/PDIF inputs, allowing the connection of digital sources such as streamers or CD transports. Additionally, the unit has a built-in DAC, enhancing audio playback by ensuring high-resolution audio compatibility.

For those who prefer wireless streaming, the Stereo Box E is equipped with aptX HD-capable Bluetooth 5.0, which enables high-resolution streaming from compatible devices. The inclusion of a subwoofer output adds further versatility, allowing users to boost the bass output as needed. 

A 5V/1A USB-C output provides convenient power support for low-power devices like compact music streamers, minimizing the need for multiple power sources and keeping setup clean and simple.

A key highlight of the Stereo Box E is its built-in headphone amplifier, which supports private listening through its 3.5mm headphone jack, adding flexibility for users who want to enjoy high-quality sound without external speakers.

Pro-Ject Stereo Box E rear view.

With this headphone capability and its other extensive connection options, the Stereo Box E offers a flexible listening experience suited to various environments, whether as part of a more substantial home system or a dedicated desktop setup. The amplifier is also designed to complement other Pro-Ject products, creating seamless system configurations.

Setting up the Stereo Box E is designed to be intuitive, thanks to its clearly laid-out inputs and outputs. A standard remote control allows easy volume and input adjustments from a distance, while the front-panel controls are simple and effective for quick interaction. The compact design allows it to be tucked away on a shelf or desk without dominating the space, appealing to users who require performance without compromising on space.

Pro-Ject Stereo Box E in black color.

Technical Specifications:

  • Output Power: 2 x 21W/40W at 8/4 ohms (1% THD)
  • Frequency Response (20Hz-20kHz): < (-0.3dB; -2.5dB) at 4 ohms
  • Signal-to-Noise Ratio (SNR): 90 dB - ‘A’ weighted
  • Channel Separation: 60 dB @ 1kHz
  • Total Harmonic Distortion (THD): < 0.12% at 5W / 4 ohms
  • Gain: 25 dB
  • Phono MM Input: 1 x RCA with grounding screw
  • Line Level Inputs: 1 x RCA, 1 x 3.5mm jack
  • Subwoofer Output: 1 x RCA
  • Bluetooth: 5.0, supports aptX, aptX HD, A2DP profile
  • Speaker Outputs: 4mm banana plugs, spade connectors, or bare wire
  • Power Supply: 20V/3A DC, 100 - 240V, 50/60Hz
  • Power Consumption in Standby: <0.5W
  • Dimensions (W x H x D): 206 x 51 x 115 (186) mm
  • Weight: 2 kg without power supply

At a retail price of £249 / $349 / €299, the Pro-Ject Stereo Box E sits comfortably within the budget range while maintaining the quality standards associated with the brand.

Positioned as a budget-friendly option beneath Pro-Ject's more feature-rich MaiA S3 model, the Stereo Box E is crafted with simplicity and ease of use in mind. It is marketed as an "ideal starter amplifier" for users new to hi-fi audio, providing a straightforward path to enhanced sound quality without the complexity often associated with higher-end equipment.

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