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Triangle BRO4 is Premium Bookshelf Speakers with Enhanced Bass Response


Modern living room with speakers, a flat-screen TV on a wooden stand, plants, brick accent wall, and a coffee table on a patterned rug. Cozy vibe.

A Compact Powerhouse for Deep, Rich Sound

For those seeking a high-performance bookshelf speaker with an emphasis on deep, full-bodied bass, Triangle’s new BR04 model is a compelling choice. Building upon the acclaimed BOREA BR03, the BR04 refines the formula with a larger cabinet, improved bass reflex design, and enhanced acoustic performance, all while maintaining a compact footprint.





Designed for audiophiles who demand exceptional clarity and powerful low-end response, the BR04s are particularly well-suited for genres like hip-hop, electronic, and bass-heavy mixes.



Cozy living room with brick wall, TV, bookshelf speakers, and wood furniture. Photos and plants add a relaxed vibe. Warm, earthy tones.


Precision Engineering for Superior Sound

At the core of the BR04’s sonic prowess is a redesigned bass reflex system, now located at the front of the speaker. This forward-facing port optimizes airflow, reduces turbulence, and allows for more flexible placement, even against walls—something rear-ported designs often struggle with.


The 25mm silk dome tweeter, equipped with Triangle’s proprietary EFS waveguide technology, ensures precise high-frequency reproduction with smooth, natural dispersion. Complementing this is a 16cm cellulose pulp midrange/bass driver, crafted to minimize distortion and deliver crisp mids and resonant, controlled bass, even at higher volumes.

With a frequency range of 44Hz to 22kHz and 90dB sensitivity, the BR04s are designed to excel in rooms between 10 and 40 square meters, making them an excellent fit for a variety of listening environments.



Two wooden speakers, one with visible drivers and a green front, the other with a fabric cover. The text "TRIANGLE" is on the first speaker.


Versatile Connectivity & Premium Build


Triangle has outfitted the BR04 with double binding posts, supporting both bi-wiring and bi-amping configurations, allowing for greater control over high and low frequencies when paired with advanced amplification setups.





Internally, the speaker cabinet has been reinforced for enhanced structural rigidity, minimizing unwanted vibrations for a cleaner, distortion-free sound. The magnetically attached fabric grilles add a touch of elegance while ensuring easy removal for those who prefer an exposed driver aesthetic.


Elegant Finishes & Availability


The BR04 is available in a selection of six premium finishes:

  • Black

  • Chestnut

  • Light Oak

  • Oak Green

  • Light Oak Blue

  • White


These finishes seamlessly integrate into modern and classic interiors alike, adding both visual appeal and acoustic excellence to any setup.



Modern wood and white speaker labeled "Triangle" in a room with a plant and black mug on a wooden desk in the background.


Pricing & Availability


The Triangle BR04 bookshelf speakers are now available in the U.S. for $559 per pair (approximately £444 / AU$899). They can be purchased through Amazon and select high-end audio retailers.





While UK availability hasn’t been officially announced, Triangle’s strong presence in the region suggests that a release is imminent.


For those who demand high-fidelity performance in a compact, beautifully crafted form, the Triangle BR04 is a standout contender in the bookshelf speaker market.

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