Pro-Ject Speaker Box 3 E Bookshelf Speakers

A true hi-fi speaker in a compact form, the Pro-Ject Speaker Box 3 E delivers clear, detailed stereo sound from a small footprint. Featuring a silk dome tweeter, fiberglass woofer, and rear bass reflex port, it’s ideal for desktops, bookshelves, or home cinema setups. Pair with a quality amp and enjoy real sound—without the bulk.


Sale price$349.00
Colour: High Gloss Black

Key features

Compact Bookshelf Design for Small Spaces

Rear-Firing Bass Reflex Port for Enhanced Low-End

Silk Dome Tweeter for Clear, Natural Highs

Wide Amplifier Compatibility (10–80W)

Ideal for Desktop or Shelf Use

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Pro-Ject Speaker Box 3 E Bookshelf Speakers

The Pro-Ject Speaker Box 3 E is a standout example of what’s possible when thoughtful engineering meets minimalist design. In a world filled with wireless speakers and soundbars that prioritize convenience over quality, the 3 E is built for those who still care about how their music actually sounds. Despite its incredibly compact footprint, this speaker delivers a performance that punches far above its weight. At the heart of the 3 E is a carefully selected 0.75” silk dome tweeter, which offers a silky-smooth high-frequency response that reveals detail and air without sounding harsh or fatiguing. Complementing it is a 3” fiberglass mid-bass driver, chosen for its stiffness, responsiveness, and ability to maintain clarity even at higher volumes. Together, these drivers are housed in a rigid cabinet that resists unwanted resonance and coloration, allowing the speaker to stay honest to the source material.

A rear-firing bass reflex port enhances the speaker’s low-end performance, extending the bass response well beyond what you’d expect from a cabinet this size. The result is a natural, open soundstage with clear stereo separation, solid imaging, and enough body to make music feel engaging and cinematic. This isn’t background listening — it’s full-bodied audio reproduction in a form factor that fits almost anywhere. Whether you're placing them on your desk for nearfield monitoring, using them as front or surround speakers in a compact home cinema system, or simply upgrading from a low-quality Bluetooth setup, the 3 E brings a serious sonic upgrade.

Pro-Ject’s decades of hi-fi experience are evident in the details: from the acoustically inert enclosure to the compatibility with a wide range of amplifiers (10–80 watts), every part is made to perform. For best results, pair it with a Pro-Ject amplifier such as the Stereo Box S3 BT or MaiA S3, and enjoy clean, dynamic playback with minimal footprint. Optional wall-mount brackets make integration even easier, allowing the speakers to virtually disappear into your space while still delivering powerful, room-filling sound. The Speaker Box 3 E proves that small doesn’t have to mean compromised. It’s a pure, honest, and surprisingly bold entry into real hi-fi — perfect for modern living.

Let me know if you'd like a matching tone for a second speaker, amp pairing section, or need to condense this for marketing/retail use.



Reasonably Priced Hi-Fi

Developed to deliver quality audio at a very reasonable price, making real stereo sound accessible without breaking the bank.

Small Stature

Each speaker measures 160 x 106 x 152 mm (HxWxD) making them fit almost anywhere.

Frequency Response

Offers a frequency range from 89Hz up to 20kHz, covering most of the audible spectrum with clarity.

Lightweight Design

At only 1.37 kg each, the speakers are easy to move, position, or mount without hassle.

Premium Driver Configuration

Equipped with a 0.75” silk dome tweeter and a 3” fiberglass bass/mid driver, the speakers produce smooth, detailed highs alongside balanced midrange and bass tones.

Designed for Real Stereo Performance

Unlike Bluetooth speakers or soundbars, the Speaker Box 3 E delivers genuine left and right stereo channels, enriching your listening experience with true spatial separation.

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