Triangle Borea BR05 is a 2-way Passive Bass Reflex Bookshelf speaker by Triangle. It was released in October 2026. It features a 1" Dome Tweeter and 1 x 8" Paper Cone Woofer.
Two-way stand-mount with the Borea range's 25 mm silk dome EFS tweeter (phase plug, shallow horn) over a new 21 cm (8-inch) mid/bass driver with an untreated natural cellulose pulp cone, a 120 mm ferrite magnet and a 40 mm voice coil in an open basket. Two front-firing ports. MDF cabinet up to 21 mm thick with Triangle's DVAS foam coupling from the motor to an internal brace, plus two more braces. Second-order (12 dB/octave) crossover at 1.7 kHz; bi-wire and bi-amp terminals. A supplied base tilts the speaker back 8 degrees and adds 60 mm of height (550 mm with base). Recommended amplifier 25-130 W per channel into 8 ohms.
The speaker has a frequency range of 42-22k Hz and a sensitivity of 90 dB. Triangle Borea BR05 has an MSRP of 999$ per pair.
Room Size Suitability
The size of the room where you plan to use the Triangle Borea BR05 is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:
| Listening Environment* |
Suitability |
| Near-field | Poor |
| Small Room | Average |
| Mid-size Room | Good |
| Large Room | Good |
| Very Large Room | Average |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)
Triangle's Borea Series of Loudspeakers
Borea BR05 is a member of Triangle's Borea series of Passive speakers. Borea is Triangle's affordable range, French-made speakers known for their lively, dynamic sound. Below you can see the main specs of these speakers.
See all 10 Triangle Borea models compared »
Triangle Borea Series Speakers
Frequency Response of the Triangle Borea BR05 Speaker
Triangle Borea BR05 has a Frequency response range of 42-22k Hz at ±3dB and Power Range of up to 120 watts. With a minimum frequency of 42 Hz, Borea BR05 delivers deep bass that will likely satisfy most listeners, especially those who enjoy music. However, movie enthusiasts and music fans who prefer a full range of sound may still benefit from adding a subwoofer.
Here we have a comparison of how Borea BR05's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Bookshelf Speakers
Thinking about a subwoofer for the Triangle Borea BR05?
Crossover frequency of the Triangle Borea BR05?
The crossover frequency of the Borea BR05 is set to 1700Hz. This is the threshold frequency where the higher frequency signals over this level are sent to the tweeter and the lower-frequency signals are sent to the woofer by the crossover component.
Impedance and Sensitivity
Triangle Borea BR05's nominal impedance level is
8 ohms but can go down to as low as
4.7 ohms, and has a sensitivity of
90 dB.
Sensitivity
Bookshelf Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Triangle Borea BR05 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
90dB of the Triangle Borea BR05 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise. Work out how loud the Triangle Borea BR05 plays in your room →
Minimum Impedance of the Triangle Borea BR05
Even though the nominal impedance of the Borea BR05 is 8 ohms, the minimum impedance level of this speaker according to Triangle is 4.7 ohms Triangle Borea BR05 so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.
What amplifier does the Triangle Borea BR05 need?
At normal listening levels in a medium room, about
7.5–120 W
per channel into 8 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? Integrated amplifiers under $1,000, or every amplifier we cover.
Input Type
Borea BR05 has Dual binding posts type connectors and lets bi-amping/bi-wiring. Bi-wiring can enhance the overall transparency of your loudspeakers by using separate speaker wires for the low and high-frequency drivers from a single amplifier. Bi-amping, on the other hand, involves using separate amplifiers for the high and low-frequency drivers, potentially resulting in a greater dynamic range and reduced distortion.
Work out what gauge speaker cable this run needs →
Triangle Borea BR05 External Dimensions and Weight
Triangle Borea BR05 has external dimensions of (Height x Width x Depth) 19.3 x 11.8 x 13.6inch (490.0 x 300.0 x 345.0mm ).
Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base area of Triangle Borea BR05 is approximately 1035.0cm2 / 160.4inch2.
To get a better perspective on the real life size of Triangle Borea BR05, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).
Triangle Borea BR05 Speaker Size Compared to a Compact Disc
Here we place the Triangle Borea BR05 virtually next to a standard width amplifier and turntable on a BDI Octave Media Cabinet to get a better idea about the size.
Triangle Borea BR05 Speaker next to an amplifier and turntable
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe Triangle Borea BR05 weighs 14.60kg / 32.1lbs per piece. Here is a comparison of how Borea BR05's weight compares with the average, max and min weights in its class.
Weight
All Bookshelf Speakers
Weight
Bookshelf Speakers under $1,000
Cabinet type and Materials
Triangle Borea BR05 has a
Bass Reflex type cabinet. Bass Reflex type loudspeakers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.
Port Position
Triangle Borea BR05 is a front-firing port speaker, which gives you more flexibility compared to rear firing speakers when you need to place it close against a wall or other surfaces.
Available colors
Triangle Borea BR05 is available in Light Oak, Black Ash, Chestnut, Green and Frosted White.
Wall Mounting
Borea BR05 doesn't sport any built-in mounting bracket, so you need an external structure to mount it on walls.
Speaker Stands
Triangle sells a dedicated speaker stand for the Borea BR05 with a model name
S03. You can check the latest price and availability of these stands at
B&H PHOTO and
Amazon.
Does the Triangle Borea BR05 come with a Grille?
Borea BR05 comes with magnetic grilles. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible. Since the included grille of the Borea BR05 is magnetic type, it is very easy to put it on and off.
What's in the Box of Triangle Borea BR05?
Here are the items that are included inside the box of Borea BR05:
- 2 x Borea BR05 speakers
- 2 x magnetic fabric grilles
- 8 x adhesive rubber feet
- 2 x tilted bases
Recommended Accessories
Here is a list of accessories that we think you may need for the Triangle Borea BR05.
- Speaker Cable and Connectors
- Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find more affordable options too.
- Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.
- Speaker Stands: Stands bring your bookshelf speakers to ideal height (rule of thumb is to have the tweeter level with your ear in your listening position), helps stability and acoustical isolation.
Official Product Page
Official manufacturer's product page for the Triangle Borea BR05 speaker can be found below:
Official Product Page for Triangle Borea BR05
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.