Triangle Borea BR04 is a 2-way Passive Bass Reflex Bookshelf speaker by Triangle. It features a 1" Dome Tweeter and 1 x 6" Paper Cone Woofer. The speaker has a frequency range of 44 - 22k Hz and a sensitivity of 90 dB. Triangle Borea BR04 has an MSRP of 559$ per pair.
Room Size Suitability
The size of the room where you plan to use the Triangle Borea BR04 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 | Average |
| Small Room | Good |
| Mid-size Room | Average |
| Large Room | Poor |
| Very Large Room | Bad |
(* 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 Borea BR04 Speaker Structure
Triangle Borea BR04 Lifestyle
Triangle's Borea Series of Loudspeakers
Borea BR04 is a member of Triangle's Borea series of Passive speakers. Below you can see the main specs of these speakers.
Triangle Borea Series Speakers
**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.
Frequency Response of the Triangle Borea BR04 Speaker
Triangle Borea BR04 has a Frequency response range of 44 - 22k Hz at ±3dB and Power Range of up to 110 watts. With a minimum frequency of 44 Hz, Borea BR04 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.
To focus on the subwoofers that are in a similar price range with Triangle Borea BR04, check out the Powered Subwoofers under $750. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how Borea BR04's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Bookshelf Speakers
High Frequency
Bookshelf Speakers
Triangle Borea BR04's Paper Cone Woofer
Triangle Borea BR04's silk Dome Tweeter
Crossover frequency of the Triangle Borea BR04?
The Crossover frequency of the Borea BR04 is set to 3200Hz. 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 BR04's nominal impedance level is
8 ohms but can go down to as low as
4.6 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 BR04 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
90dB of the Triangle Borea BR04 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise.
Minimum Impedance of the Triangle Borea BR04
Even though the nominal impedance of the Borea BR04 is 8 ohms, the minimum impedance level of this speaker according to Triangle is 4.6 ohms Triangle Borea BR04 so while choosing an amplifier, you should ideally check if the unit you are considering can provide this impedance level.
Check the amplifiers that are in a similar price range to the Triangle Borea BR04:
Input Type
Borea BR04 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.
Triangle Borea BR04 Back View
Triangle Borea BR04's Dual binding posts terminals allows Bi-amping or bi-wiring
Triangle Borea BR04 External Dimensions and Weight
Triangle Borea BR04 has external dimensions of (Height x Width x Depth) 16.7 x 8.7 x 12.3inch (425.0 x 220.0 x 314.0mm ).
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 BR04 is approximately 690.0cm2 / 107.0inch2.
To get a better perspective on the real life size of Triangle Borea BR04, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).
Triangle Borea BR04 Speaker Size Compared to a Compact Disc
Here we place the Triangle Borea BR04 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 BR04 Speaker next to an amplifier and turntable
WeightThe Triangle Borea BR04 weighs 8.60kg / 18.9lbs per piece. Here is a comparison of how Borea BR04's weight compares with the average, max and min weights in its class.
Weight
All Bookshelf Speakers
Weight
Bookshelf Speakers under $750
Triangle Borea BR04 - Top View
Cabinet type and Materials
Triangle Borea BR04 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 BR04 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.
Triangle Borea BR04 Port
Available colors
Triangle Borea BR04 is available in Oak Green, Chestnut, Blue, Black Ash, White and Light Oak.
Wall Mounting
Borea BR04 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 BR04 with a model name
S02,S05. You can check the latest price and availability of these stands at
B&H PHOTO and
Amazon.
Does the Triangle Borea BR04 come with a Grille?
Borea BR04 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 BR04 is magnetic type, it is very easy to put it on and off.
Triangle Borea BR04 with Grille
What's in the Box of Triangle Borea BR04?
Here are the items that are included inside the box of Borea BR04:
2 x Borea speakers 2 x protections grids 8 x adhesive rubber plots 1 x user manual
Recommended Accessories
Here is a list of accessories that we think you may need for the Triangle Borea BR04.
- Speaker Cable and Connectors
- Vibration Isolators: IsoAcoustics isolators 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 BR04 speaker can be found below:
Official Product Page for Triangle Borea BR04
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.
Triangle Borea BR04 Lifestyle