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The TRIANGLE Capella 2 is designed for listening rooms of 15–40 m², according to the manufacturer. That is a recommendation, not a guarantee of good sound in every room: layout, furniture, listening position, and speaker placement still matter. The system includes two powered speakers and a Stereo Hub 2; plan for power at all three pieces, and check whether you need to budget separately for stands or a calibration microphone.
Is the Capella 2 right for your room?
TRIANGLE recommends the Capella 2 for listening rooms between 15 and 40 m². The company explains that bass is particularly affected by room acoustics: in a room that is too small, low frequencies may resonate; in a room that is too large, they may become diluted. This is the manufacturer’s guidance, not an independently measured boundary or a promise that every room within the range will suit the speakers. TRIANGLE Capella 2 product page
Use the range as an initial filter, then consider your actual listening space. An open-plan area, an unusually shaped room, or a room with a very different listening distance may behave differently from a simple room of the same floor area. The published range does not specify a room shape, furnishing level, or listening distance. It is therefore most useful as a way to ask whether the system is broadly intended for a space of your size—not as a room-planning formula that predicts the result.
If your room is below 15 m² or above 40 m², that alone does not prove that the system cannot work there. It does mean that your room falls outside the manufacturer’s stated recommendation, so you should not treat a feature such as calibration as evidence that the mismatch will disappear. If your room is within the range, you still need to think about shape, furniture, listening position, and where the speakers and hub can go. The manufacturer’s own explanation focuses on bass behavior, but the cited material does not give a room-by-room diagnosis or a guaranteed outcome for any particular layout.
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What the published specifications tell you
TRIANGLE lists a frequency response of 42 Hz–22 kHz (±3 dB) and bi-amplification of 2 × 50 W per speaker, or 2 × 100 W total for the system. These are manufacturer specifications, not a substitute for an in-room assessment; they do not establish how the speakers will sound in a particular space. TRIANGLE Capella 2 product page
The two figures answer different questions from the room-area recommendation. Frequency response describes the range TRIANGLE publishes for the speaker under its stated specification conditions; the power figure describes the system’s listed amplification. Neither figure specifies a room size on its own, guarantees a particular bass result in a furnished room, or tells you where to position the speakers. The 15–40 m² guidance and the acoustic explanation should be read together with the specifications, rather than replaced by them.
The cited material includes no independent room measurements, listening test, or comparison test. That means a buyer can use the published numbers to screen and compare products, but should avoid treating them as proof that a particular room will sound a particular way. The same caution applies when comparing the Capella 2 with another active speaker: look at each maker’s room guidance and test assumptions, not just headline power or frequency-response figures.
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How to plan placement and power
Each Capella 2 speaker measures 200 × 380 × 315 mm (width × height × depth) and weighs 8.5 kg. The Stereo Hub 2 measures 210 × 35 × 150 mm before its shell. Allow room for the speakers to sit securely, for the hub and source devices, and for power access at each speaker and the hub. The wireless audio connection between speakers and hub does not eliminate the speakers’ power cables. TRIANGLE Capella 2 product page
Those dimensions are a useful first pass for checking a shelf, cabinet, or stand, but they do not describe the extra clearance you may want for safe placement or access to connections. Check your intended spot against the full dimensions, including depth, and think about whether the speaker can remain stable there. Each cabinet weighs 8.5 kg, so a surface or stand should be appropriate for the speaker’s weight. The cited specifications do not provide a required shelf load rating or a universal clearance measurement; verify any stand or furniture details before committing to a location.
Do not plan the system as though it were a pair of fully cable-free speakers. TRIANGLE describes the hub-to-speaker audio link as wireless using WiSA, allowing sources to connect at the hub without signal cables running between the hub and speakers. The speakers themselves are powered units and need power access, as does the Stereo Hub 2. In a room where outlets are inconveniently located, this distinction can affect where the system can practically be installed even though the audio signal does not need to travel over a cable from the hub to each speaker.
The hub is compact at 210 × 35 × 150 mm before its shell, but you still need to reserve a practical place for it and for the source devices connected to it. Consider the path of source cables, access to the hub’s controls and connections, and the location of the hub’s power supply. The available information does not give a universal arrangement for the hub relative to the speakers, nor does it specify a maximum wireless distance in the room, so do not infer a precise layout from the dimensions alone.
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TRIANGLE recommends its S05 stands, saying the speaker base fits the stand’s top shelf and that the stands place the speakers at an ideal listening height. Treat them as an optional addition unless the package you are buying explicitly includes them. The cited manufacturer pages do not provide a current stand price or universal wall-clearance distance or toe-in angle, so check the local product guidance and adjust placement in your own room. TRIANGLE regional product information
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Before ordering a stand, confirm that the exact stand is available in your market, that its top shelf is suitable for the speaker base, and that the listing or dealer quote says whether it is part of the package. TRIANGLE’s recommendation is specific to the S05 and its fit and listening-height rationale; it should not be expanded into a claim that every stand is interchangeable or that a stand is mandatory. If you intend to place the speakers on existing furniture instead, confirm that the surface is stable and that the speakers can occupy the required footprint.
No fixed distance from a wall, particular toe-in angle, or room-specific placement recipe appears in the cited material. Avoid relying on an invented universal measurement. Once the speakers are in a stable position, use the manufacturer’s setup guidance and available adjustment tools, then evaluate the result from your normal listening position. Placement remains a practical part of setup; calibration is not a substitute for checking whether the speakers can be positioned sensibly in the room.
Use room calibration as an adjustment tool
The system offers automatic room calibration, which TRIANGLE says analyzes the room and adjusts reproduction. The product page says calibration can be performed from iOS devices or with a Zen microphone; the Capella app also provides manual EQ. These features give you ways to tune the system, but they should not be treated as a fix for every acoustic or placement problem. The cited material does not establish whether the microphone is included or its current local price. TRIANGLE Capella 2 product page
For a buyer, the useful question is not simply whether calibration exists, but which method fits your setup. TRIANGLE names an iOS device and the Zen microphone as calibration routes, and the Capella app provides manual EQ. Check the current app and product instructions for the procedure and device compatibility relevant to your configuration. The cited material does not state that every phone or operating system can be used, so do not assume that an Android device, for example, is an available calibration method based on these sources.
Calibration and EQ are adjustment features, not a promise that every room will be corrected. The product page says the system analyzes the room and adjusts reproduction, but the cited material does not describe the limits of that process, specify exactly what it can correct, or quantify a before-and-after result. The room-size recommendation still matters, and so do stable placement and access to power. If you prefer to use the microphone method, confirm whether the Zen microphone is available locally and whether it is included in the bundle you are considering.
What the system includes and what it costs
The official US product listing gives a price of $2,900 per pair. It describes the system as two powered speakers plus a Stereo Hub 2, and lists an RF remote, protective grilles, speaker power cables, and hub power supply adapters among the contents. Confirm the current listing and package details for your market; the US price and contents should not be assumed to apply everywhere. TRIANGLE Capella 2 product page
The phrase “per pair” matters: the US listing is for the system with two speakers, not a per-speaker price. The package description also makes clear that this is an active-speaker system built around a Stereo Hub 2, rather than a price for two passive cabinets alone. Still, a listing is not a guarantee of the final price you will pay. Check with the current seller or local listing for the price, taxes, shipping or other checkout charges, stock, and the exact contents of the package.
A French TRIANGLE comparison page lists the Capella 2 at €2,499. That is a separate French-market listing, not a direct conversion of the US price or a quote for another country. Both figures were listed on TRIANGLE pages accessed in 2026, and prices, stock, and final checkout costs can change. TRIANGLE French connected-speaker comparison
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The two prices are useful as geographic examples, not as evidence that one market is cheaper after currency conversion. They come from different market pages, and the cited pages do not provide a like-for-like comparison of taxes, dealer terms, shipping, or package contents across countries. If you are buying outside the US or France, use the local price and confirm local package details rather than converting either published figure to estimate your cost.
| Item | Published information | What to check before buying |
|---|---|---|
| Capella 2 pair, US | $2,900 per pair on TRIANGLE’s US product page, accessed in 2026. | Current price, local taxes, dealer pricing, and package contents. |
| Capella 2, France | €2,499 on TRIANGLE’s French comparison page, accessed in 2026. | Current French availability and final local cost; this is not a universal price. |
| S05 stands | Recommended by TRIANGLE; price and inclusion status not stated in the cited pages. | Availability, current price, and whether a local bundle includes them. |
| Zen calibration microphone | Named as a calibration method; price and inclusion status not stated in the cited pages. | Whether you need to obtain one for your preferred calibration method, and local availability. |
Before comparing a quote with the published price, verify exactly what is in the package. The available information does not establish that S05 stands or a Zen microphone are included. TRIANGLE Capella 2 product page TRIANGLE regional product information
To estimate your buying total, start with a current local quote for the pair, then ask whether the quote covers the two speakers and Stereo Hub 2 and which listed accessories are included. Add the cost of any stands or microphone only after verifying that you need to buy them separately and confirming their current price. The cited pages do not state current prices for those accessories, so a precise all-in cost cannot be calculated from the information on those pages alone. Ask about local taxes and other checkout costs as well; the product-page price is not a guarantee of your final dealer total.
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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsWhen comparing offers or another active-speaker system, use the same checklist on each one: whether the quoted price is for a pair or for one speaker; which hub or other system components are included; whether stands, grilles, remote, power cables, and calibration accessories are included; and whether the offer is for the market where you will purchase. A lower headline number is not necessarily a like-for-like comparison if the package contents differ. TRIANGLE’s French comparison page supplies a French-market comparison, but its pricing should not be generalized to other countries.
Check that your sources will connect
The Stereo Hub 2 lists HDMI eARC/CEC, three optical inputs, coaxial, USB-B, USB-A, stereo RCA, and a subwoofer output, as well as Wi-Fi and Bluetooth. Check the specific output on each device you plan to use and match it to an input on the hub; the presence of a connection type does not guarantee every device-specific setup will work without configuration. TRIANGLE Capella 2 product page
This inventory gives you a starting point for planning a TV, computer, CD player, turntable, or other source, but the right connection depends on the output your particular device provides. A compatible TV connection may use HDMI eARC/CEC; another device may call for one of the listed optical, coaxial, USB, or stereo RCA connections. The names of the ports are not a promise that every device has the right output or that no setup steps are required. Check the source’s manual and TRIANGLE’s setup instructions for the connection you intend to use.
The hub also lists Wi-Fi and Bluetooth, which are relevant when you want to stream or use a wireless source. TRIANGLE’s assistance material has streaming setup tutorials as well as instructions for wired sources. Check the current guidance for the specific service, device, and connection you have rather than assuming that every streaming service or device works in the same way. The available information does not list service compatibility details, so it does not support a broader compatibility guarantee. TRIANGLE assistance and setup tutorials
A subwoofer output is listed, so buyers who may want to connect a subwoofer can take that into account when comparing systems. The cited material does not specify a subwoofer model, configuration, setup procedure, or whether a subwoofer is included. Treat the listed output as a connection option and confirm compatibility and setup details before purchasing any additional equipment.
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For source planning, write down each device and the output you intend to use, then check that the hub offers a corresponding input. TRIANGLE’s assistance page explicitly covers setup for a turntable, TV, CD player, and computer, which makes it a useful next stop when you have selected a source. The tutorials are guidance, not evidence that all versions of those devices connect identically. A turntable or TV, for example, still needs a suitable output and the correct setup for that device. TRIANGLE assistance and setup tutorials
Set up the system
- Choose a location. Check the room against TRIANGLE’s 15–40 m² recommendation, then make sure both speakers have a stable position and access to power.
- Place the speakers and hub. Allow for each speaker’s 200 × 380 × 315 mm footprint and 8.5 kg weight. If using S05 stands, confirm their fit and availability for your market.
- Connect power. Provide power for both speakers and the Stereo Hub 2; wireless audio between the hub and speakers does not replace speaker power connections.
- Connect sources to the Stereo Hub 2. Use the input that matches your source, such as HDMI eARC/CEC for a compatible TV or an available wired input for another device.
- Configure and tune. Follow TRIANGLE’s setup guidance and use the Capella app for configuration, automatic calibration, or manual EQ as appropriate to your setup.
TRIANGLE describes the Stereo Hub 2 and WiSA wireless connection as a way to connect sources at the hub without running signal cables between the hub and speakers. This reduces signal-cable runs across the room, but each speaker still needs power. TRIANGLE Capella 2 product page TRIANGLE assistance and setup tutorials
A few checks before switching everything on can prevent avoidable setup surprises. Confirm that the speaker positions are stable and leave enough practical room to connect power. Put the hub where it can be connected to its power supply and to the sources you intend to use. If a source is central to your purchase decision, confirm its output and consult the matching support tutorial before choosing a cable or assuming a connection will work. The cited material identifies the available connection types but does not supply cable lengths or a full device-by-device compatibility chart.
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Once the sources and system are connected, follow the manufacturer’s instructions for configuration in the Capella app. If using automatic calibration, use one of the methods the product page identifies—an iOS device or Zen microphone—and follow the current instructions for the chosen method. Manual EQ is another adjustment option in the app. If the result is not what you expect, first review the setup and placement rather than assuming the room-size range or calibration feature guarantees a particular sound.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to compare the Capella 2 with another active system
A useful comparison goes beyond matching sticker prices. Start with the stated room-area recommendation and the assumptions behind it. TRIANGLE’s stated range is 15–40 m², and its rationale specifically mentions bass resonance in rooms that are too small and bass becoming diluted in rooms that are too large. For another system, check whether its maker publishes a room recommendation and whether the explanation is comparable. Neither brand’s range should be treated as an independent guarantee for your room.
Next compare the adjustment options: is calibration automatic, is manual EQ available, and what device or accessory does the maker identify for calibration? For Capella 2, TRIANGLE says calibration analyzes the room and adjusts reproduction, cites iOS devices or a Zen microphone as methods, and includes manual EQ in the Capella app. The microphone’s inclusion and current price are not established in the cited pages. This is a meaningful comparison point, but not a basis for assuming one system will correct every room problem better than another.
Then compare the whole setup and cost. Check dimensions and weight for each speaker and hub, whether each speaker needs power, what wireless connection is used between hub and speakers, and what the quoted price includes. For Capella 2, the speakers are 200 × 380 × 315 mm and 8.5 kg apiece; the hub is 210 × 35 × 150 mm before its shell. The published US price is $2,900 per pair, while a French official comparison page lists €2,499. Those are market-specific examples, and accessories or final local costs need separate verification.
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Finally, compare source connections and expansion options against your actual devices. The Stereo Hub 2 lists HDMI eARC/CEC, three optical inputs, coaxial, USB-B, USB-A, stereo RCA, Wi-Fi, Bluetooth, and a subwoofer output. If you use a TV, computer, CD player, or turntable, check the particular source output and the manufacturer’s setup guidance. These comparison axes are more useful than comparing an isolated power rating or price that may refer to a different package or market. TRIANGLE French connected-speaker comparison TRIANGLE Capella 2 product page
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Pre-purchase checklist
- Your room is within—or you have considered the limits of—the manufacturer’s 15–40 m² recommendation.
- You have space for two speakers, a hub, and reliable power access at all three locations.
- Your TV, computer, turntable, or other source has a compatible connection for the Stereo Hub 2.
- You have checked the price and package contents in your own market rather than relying on a listing for another country.
- You have confirmed whether stands or a calibration microphone are included or need to be purchased separately.
Before placing an order, also make sure you have distinguished the signal connection from the power requirement: WiSA carries audio between the hub and speakers, while the speakers still require power. Check the actual footprint and weight against your planned surface, and confirm the hub’s place relative to your source devices. If you plan to use stands, verify S05 fit, local availability, and inclusion. If you plan to calibrate with the Zen microphone, verify whether it is available and whether the package contains one.
Finally, treat the two published prices as dated reference points, not a current quote. The US page listed $2,900 per pair and the French comparison page listed €2,499 when accessed in 2026. Confirm the current local price, contents, taxes, stock, and any additional costs with the seller. The cited pages do not provide prices for optional stands or the microphone, so do not assume an all-in cost until you have checked those items locally.
Frequently Asked Questions
What room size does TRIANGLE recommend for the Capella 2?
TRIANGLE recommends listening rooms between 15 and 40 m². The company says bass can resonate in rooms that are too small and become diluted in rooms that are too large. This is manufacturer guidance, not a guarantee for every room shape, furnishing, listening distance, or placement.
Can the Capella 2 work in a room smaller than 15 m² or larger than 40 m²?
The cited product page does not define a hard technical boundary or establish results outside its recommendation. If your room is outside 15–40 m², treat that as a reason to check the fit carefully rather than assuming the speakers will or will not work. Calibration does not guarantee that a room-size mismatch or placement issue will be solved.
How much does the TRIANGLE Capella 2 cost?
TRIANGLE’s US product page listed $2,900 per pair when accessed in 2026. A French comparison page listed €2,499. These are separate market-specific prices, not a direct currency comparison or a quote for other countries. Check current local pricing and final costs before buying.
Are the stands or calibration microphone included?
The cited pages do not establish that S05 stands or the Zen calibration microphone are included, and they do not give current prices for either. TRIANGLE recommends the S05 stands and names the Zen microphone as a calibration method. Check the exact package contents, local availability, and cost with the seller.
Do the Capella 2 speakers need power cables if they connect wirelessly?
Yes. TRIANGLE describes the audio connection between the Stereo Hub 2 and speakers as wireless using WiSA, but the speakers are powered units and each needs power access. The hub also needs power.
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The listed connections include HDMI eARC/CEC, three optical inputs, coaxial, USB-B, USB-A, stereo RCA, and a subwoofer output, plus Wi-Fi and Bluetooth. Check the output on your particular source device and consult TRIANGLE’s setup guidance for that source.
Where should I place the speakers, and how far from the wall?
TRIANGLE recommends S05 stands, saying the speaker base fits their top shelf and the stands provide an ideal listening height. The cited material does not specify a universal wall distance or toe-in angle. Plan for stable placement, the speakers’ dimensions and weight, and power access, then use the manufacturer’s instructions and evaluate placement in your room.
How can I calibrate the Capella 2?
TRIANGLE describes automatic room calibration and says it can be performed from iOS devices or with a Zen microphone. The Capella app also has manual EQ. Check the current instructions and whether the microphone is included or available locally; these adjustment features are not a guarantee that every room problem can be corrected.
The Bottom Line
The Capella 2 is intended for 15–40 m² listening rooms, and TRIANGLE’s US listing was $2,900 per pair while its French comparison page listed €2,499. Treat the room range and prices as manufacturer guidance and market-specific reference points, not guarantees. Before buying, check your room and source connections, plan for power at both speakers and the Stereo Hub 2, and verify whether stands or a Zen microphone are included or extra. Confirm current local pricing and package details with the seller.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
