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Klipsch Flexus Core 300 Soundbar: One minute review

Klipsch Flexus Core 300 soundbar with optional Flexus SURR 200 rear speakers and Flexus SUB 200 subwoofer (Image credit: Future)

The Klipsch Flexus Core 300 isn’t the cheapest Dolby Atmos soundbar you can buy, but those who can afford it will find it matches the best Dolby Atmos soundbars on just about every level.

Now, it might not be the best soundbar for everyone. Aside from the big price tag, it’s also physically big. But it does everything else right. It has all the ports one could want, and it has all the features you’d expect to see in the best soundbars. Most importantly, it sounds really good. And once you set it up with the Dirac Live feature, the sound quality goes from really good to great. It’s that last bit that really puts it over the edge for me.

If you’re looking for a soundbar system that gives a true theater experience at home, the Klipsch Flexus Core 300 is more than capable, and the experience gets even more immersive when you add the accompanying surround speakers and subwoofer.

Klipsch Flexus Core 300 review: Price & release date

Klipsch Flexus Core 300 system packaging (Image credit: Future)

• Price: $1,199.99 / £1,049.00 (about AU$1,830)
• First available: September 2025

The Klipsch Flexus Core 300 soundbar system reviewed here is anything but cheap. In fact,the Core 300 soundbar, with the Sub 200 subwoofer, and Surr 200 surround speakers that I tested will set you back an eye-wateringly high $2,299.97 / £1,827 (about AU$3,500).

Individually, the Core 300 soundbar goes for $1,199.99 / £1,049.00 (about AU$1,830), while the Sub 200 subwoofer is $599.99 / £419.00 (about AU$910) and the Surr 200 surround sound speakers are $499.99 / £359.00 (about AU$760) per pair. There are cheaper versions available of the subwoofer and surround speakers, so you can get away with a lower system cost, but you won’t have the same experience.

Also. Aussies will have to sit this one out (at least at the time of writing).

Klipsch Flexus Core 300 review: Specs

Dimensions (W x H x D)

soundbar: 54 x 3 x 5 inch / 1371 x 76.2 x 127mm; subwoofer: 15.25 x 15.25 x 15.25 inches (387 x 387 x 387mm); surround speaker: 4.1 x 8.75 x 4.31 inches 105 x 222.25 x 109.5mm

Speaker channels

5.1.2 (soundbar), 7.1.4 (with sub and surround speakers)

Connections:

HDMI 2.1 passthrough, HDMI eARC, USB-C, optical digital, subwoofer output, Bluetooth

Dolby Atmos/DTS:X

Yes/Yes

Sub included

Available separately

Rear speakers included

Available separately

Features

4K 120Hz passthrough, Dirac Live room calibration, AirPlay, Google Cast, Google Home support

Klipsch Flexus Core 300 review: Features

The Klipsch Flexus Core 300 soundbar and the optional wireless sub and rear speakers uses wireless dongles to transmit and receive audio signals (Image credit: Future)

• Dolby Atmos and DTS:X support
• Night and dialog
• Can adjust the volume of individual speakers

As you would expect from its price, the Klipsch Flexus Core 300 is feature-filled. It supports both Dolby Atmos and DTS:X, and you can add an optional subwoofer (or two subwoofers since dual subs are supported) and wireless surround speakers for a full surround sound experience. On top of that, it has built-in Dirac Live, a calibration software that minimizes the effects of room reflections on the sound.

The Flexus Core 300 features movie and music modes, along with a night mode that compresses the audio dynamic range for late-night viewing. A dialog mode offers three different levels to emphasize the specific part of the mid-range where dialog sits. This is a bit more subtle than what I’ve found on other soundbars, but still effective.

In the app, there are quite a few additional options for fine-tuning the sound. There’s a three-band EQ, and you can adjust the individual volume of each channel if you feel like something is out of balance. The only thing missing, surprisingly, is any kind of voice assistant support – a feature typically found on the more expensive soundbars.

WiFi streaming supports Spotify Connect, Tidal Connect, AirPlay, and Google Cast. Google Home is the only supported smart home ecosystem.

• Features score: 5 / 5

Klipsch Flexus Core 300 review: Performance

Both the Klipsch Flexus Core 300 soundbar and SUB 200 subwoofer are large compared to most soundbar systems (Image credit: Future)

• Basic sound quality is very good
• Dirac Live elevates sound clarity
• Immersive soundstage

There are two experiences when listening to the Klipsch Flexus Core 300: with and without Dirac Live. Without it, the soundbar sounds very good. Action movies like The Workman have that oomph you expect from a movie theater experience, where you can just feel the subwoofer. Whether it’s a sound effect of someone getting punched or the low notes in the score that add a sense of foreboding, the sound has an impressive sense of weight to it.

The treble is as good as you would expect from a soundbar this pricey as well, with synths, flutes, and windchimes sounding crisp with no loss of detail.

The mid-range is what suffers the most without Dirac Live as it sounds a bit overstuffed without adjustments and dialogue can get lost just a little bit. You can offset with a three-band EQ that provides a 6 dB boost or cut, and changes to the EQ, even with presets active, are noticeable.

But, the real solution is to use Dirac Live (which I describe below in the usability and setup section). Once you’ve gone through the Dirac Live setup, the soundbar will create a custom EQ profile to adjust for the reflections of soundwaves bouncing around your media room, and the difference is stark. Dirac Live makes this soundbar go from good to amazing, with everything sounding clean, especially in the mid-range.

I watched The Batman, the first episode of The Residence, and an Eagles vs Cowboys football game, along with plenty of music during my testing. No matter how complex the soundtrack or music was, I could hear everything with precision. That alone justifies the Flexus Core 300’s price. Other room calibration systems I’ve tried can be very good, but this one is great.

I also experienced immersive sound when testing the surround sound speakers, even when they were not as widely placed as they should be. For the most part, their presentation was subtle; I would almost not realize that there was audio coming through them until I paid attention and realized that I was hearing the sound of wind.

• Performance score: 5 / 5

Klipsch Flexus Core 300 review: Design

The Klipsch Flexus Core 300 has a bright alphanumeric LED display for control feedback (Image credit: Future)

• Modern, elegant look
• Large soundbar and subwoofer
• Extensive ports

While the Klipsch Flexus Core 300 comes in basic black, there’s something about its look that’s more elegant than a lot of the competition. (A walnut version is also available.) The soundbar and subwoofer both have wood grain showing through the black (not so for the surround sound speakers), and a silver Klipsch logo is featured prominently on each unit.

Now, don’t mistake that elegance for compact. This isn’t Apple. The Klipsch Flexus Core 300 soundbar is 54 inches wide, and the SUB 200 subwoofer is a 15-inch cube. The SURR 200 surround speakers are just under nine inches tall and a bit over four inches wide and deep. If you’re limited on space, this is not the system for you.

Focusing on just the soundbar, I really appreciate that the Klipsch Flexus Core 300 has an alphanumeric LED display that’s bright and sizable enough that it’s easy to read.

As far as controls go, most of the functionality is either on the remote or in the app. The soundbar itself just has power, input, and volume up and down buttons situated off-center on top.

The Flexus Core 300 comes with just about everything portone could ask for, including but not limited to multiple HDMI ports featuring eARC and 4K 120Hz passthrough, along with an optical digital input and RCA subwoofer output. Of course, there’s Bluetooth as well.

Most of your interaction with the soundbar will probably be through the remote. While I wish it was rechargeable instead of using AAA batteries, that’s really the only criticism I can throw at it. It feels good to hold with its rounded back, and the layout allows you to adjust most functions without having to use the app, including switching sound modes and adjusting the volume of the surround speakers and subwoofer.

• Design score: 4.5 / 5

Klipsch Flexus Core 300 review: Setup & usability

Klipsch's control app lets you adjust all system functions and is also used for Dirac Live calibration (Image credit: Future)

• Generally easy to set up
• Sub and surround speakers use wireless dongles
• Dirac Live calibration requires silence

Klipsch packs the soundbar, subwoofer, and surround speakers with their own manual, and setting them up is a fairly straightforward process, though not exactly plug-and-play. I’ve set up a few soundbar systems with wireless connections before, and those typically get paired right out of the box. Here, both the subwoofer and surround sound speakers come with their own wireless dongle that needs to be plugged into the soundbar before pairing.

Considering that the sub and surround speakers are separate purchases, that makes sense. But it’s an additional step, and you have to press the pairing button on each external speaker and wait for the soundbar to connect.

If you want to get the most functionality out of Klipsch’s system, you also need to set up the app. This part was easy – all I had to do was connect it to Wi-Fi and answer some personalization questions.

The only thing I found a little difficult was setting up the Dirac Live calibration, which is finicky compared to other automatic calibration systems I’ve used. But then again, Dirac Live is the standard that audiophiles use for room correction.

The soundbar comes with a wired microphone that gets placed around the sitting area, and the calibration process requires complete silence. If a pet passes by or someone calls out during the ten-minute Dirac Live calibration, or if the air conditioner is too loud, then the test will fail and need to be run again.

• Setup & usability score: 4.5 / 5

Klipsch Flexus Core 300 review: Value

Klipsch's SURR 200 rear speakers are easy to setup and deliver immersive surround sound (Image credit: Future)

• Expensive compared to other premium soundbars
• Other premium systems not as well designed
• Competition doesn’t support Dirac Live

As great as the Klipsch Flexus Core 300 Soundbar System is, it’s expensive compared to the competition. That’s especially true if you compare the system to premium models from large manufacturers like Samsung and LG, and not boutique audiophile brands that typically go for even more money.

As far as specific examples go, the LG S95AR is an impressive soundbar system in its own right – I gave it a very favorable review – and comes with surround speakers and a subwoofer without requiring an extra purchase. Its price tag of $1,699.99 (about £1,260 / AUD$2,610) might seem higher than the Flexus Core 300’s price tag of $1,199.99 / £1,049.00 / AU$1,695, but it’s actually a good deal when you consider it’s a complete package. The Klipsch is more aesthetically pleasing and sounds better, but both are quality systems.

The Samsung HW-Q990F, which retails for $1,799 / £1,699 / AU$1,995. Is a feature-filled 11.1.4 system that also makes the Klipsch Flexus Core 300 Soundbar System feel overpriced. Again, there’s a difference in aesthetics and the Samsung (along with the LG) doesn’t support Dirac Live room calibration, although they do provide their own proprietary calibrations.

• Value score: 4 / 5

Should I buy the Klipsch Flexus Core 300?

Section

Notes

Score

Features

Dolby Atmos, DTS:X, Night and Dialog mode are all here along with Dirac Live room EQ

5 / 5

Performance

Very good immersion and basic sound quality that is strongly enhanced by Dirac Live

5 / 5

Design

Classy looking and with an LED display, but large for a soundbar

4.5 / 5

Setup & usability

Relatively easy to set up, though Dirac Live calibration can be finicky if you don’t have complete silence

4.5 / 5

Value

As great as this soundbar system is, it’s among the more expensive options

4 / 5

Buy it if...

You want a true home theater experience
This system is probably the closest you can get to a home theater experience with a soundbar. It not only sounds good, but you can feel it.

You want great sound, no matter the room
With Dirac Live, you’ll get clear, balanced sound even if you’re putting the soundbar in a less-than-ideal room

You want all the features
Whether it’s Dolby Atmos, room calibration via Dirac Live, or HDMI passthrough with 4K 120Hz support, you’ll find it here.

Don't buy it if...

You have a small space
This is a big system, and the sound will overwhelm smaller spaces. If you have a cramped or small media room, there are other, much less expensive options that will give you a good experience.

You want a smart home system other than Google
Google Home is the only smart home ecosystem the soundbar supports. Considering that many people use Alexa or Apple HomeKit instead, the limited support is, well, limiting.

Klipsch Flexus Core 300 review: Also consider

Klipsch Flexus Core 300

Samsung HW-Q990F

LG S95AR

Sonos Arc Ultra

Price

$1,199.99 / £1,049.00 (about AU$1,830)

$1,999 / £1,699 / AU$2,099

$1,699.99 (about £1,260 / AU$2,610)

$999 / £999 / AU$1,799

Dimensions (w x h x d)

Soundbar: 54 x 3 x 5 inch / 1371 x 76.2 x 127mm; subwoofer: 15.25 x 15.25 x 15.25 inches (387 x 387 x 387mm); surround speaker: 4.1 x 8.75 x 4.31 inches 105 x 222.25 x 109.5mm

Soundbar: 1232 x 70.8 x 138 mm (48.5 x 2.8 x 5.4 inch); Subwoofer: 249 x 251.8 x 249 mm (9.8 x 10.0 x 9.8 inch); Rear speaker: 129.5 x 201.3 x140.4 mm (5.1 x 8.0 x 5.5 inch)

Soundbar: 49.2 x 2.5 x 5.3 in (1250 x 63.5 x 134.6mm); subwoofer: 7.9 x 16 x 15.9 in (200 x 406 x 404mm); rear speakers: 6.3 x 8.8 x 5.6 in (160 x 223.5 x 142mm)

2.95 x 46.38 x 4.35 inches (75 x 1178 x 110.6mm)

Speaker channels

5.1.2 (soundbar), 7.1.4 (with sub and surround speakers)

11.1.4

9.1.5

9.1.4

Connections

HDMI 2.1 passthrough, HDMI eARC, USB-C, optical digital, subwoofer output, Bluetooth

1x HDMI out (with eARC), 2x HDMI 2.1 in, optical digital audio, Wi-Fi, Bluetooth

2x HDMI (1 with eARC), optical, digital, Bluetooth, USB type-A

1x HDMI with eARC, Ethernet, Wi-Fi, Bluetooth

Dolby Atmos/DTS:X

Yes/Yes

Yes/Yes

Yes/Yes

Yes/No

Samsung HW-Q990F

If you want a powerful, all-encompassing surround sound and Dolby Atmos-equipped soundbar, the Samsung HW-Q990F has about as much going for it as the LG S95AR. Like the LG soundbar, it’s also a bit pricey and has an obscured LED display.

Read our full Samsung HW-Q990F review

LG S95AR

The LG S95AR is a premium surround sound system that sounds great and has a whole list of features, including some that only work with LG TVs (and therefore you won’t find with other soundbar systems). It is a minor update from its predecessor, and expensive, though not nearly as pricey as the Klipsch.

Read our full LG S95AR review

Sonos Arc Ultra

Sonos’ flagship 9.1.4-channel soundbar is less pricey and more compact than the Klipsch, and it can also be extended with the company’s wireless subwoofers and surround speakers. Unlike the Klipsch, there is no HDMI passthrough or DTS support, and the design of the Sonos app prioritizes multiroom music streaming over soundbar functionality.

Read our full Sonos Arc Ultra review

How I tested the Klipsch Flexus Core 300 Soundbar

(Image credit: Future)

• I used the Klipsch Flexus Core 300 Soundbar system for several weeks
• Tested with TV, movies, games, and music

I used the Klipsch Flexus Core 300 Soundbar System regularly for several weeks with TV, movies, games, and music. I tested the different modes and inputs, and I spent a lot of time with the Dirac Live calibration.

I’ve tested plenty of tech gear over the years ,from laptops to keyboards and speakers, and so have been able to use my expertise towards giving an honest and fair opinion, not to mention a critical eye, to any product I test.

Read more about how we test

• First reviewed: September 2025

Klim Mistral: review

The Klim Mistral is a mid-market laptop cooling pad that has proven particularly popular on online retailers such as Amazon. While it had an original list price of $86.97 / £74.97, shop around and you can pick it up for less, with even Klim selling it direct for $69.97 / £59.97. This seems a pretty decent outlay, especially given it rocks pretty hardcore 4500rpm fans. But how did it perform in practice?

First off, I was pleasantly surprised by its aesthetics. As I remarked in my Klim Wind review, I wasn’t all that enamored by the look of that cooling pad – I still stand by my assessment that it looks like a "cyber-goth butterfly". By contrast, the Mistral is more mature-looking, dropping some of that edgy gamer styling for a cleaner silhouette and a five-color LED light strip – although the latter is cheaper-looking than some, clearly just showing 10 separate RGB LEDs.

There are also plenty of design touches that would imply it offers more professional cooling. For example, it comes with a rubber seal around its rim that will create a high-pressure area designed to force cooling air into your laptop's fans, maximizing their effectiveness. In addition, Klim has supplied heat shields to redirect air flow should your laptop also vent from the rear as well as from beneath; our testing Acer Predator Helios 300 laptop with an Nvidia GeForce RTX 3080 GPU sits firmly in this camp, so I dutifully applied them.

When it comes to ergonomics, the Mistral offers a good range of height settings, offering six in total. The top 29-degree angle is too steep to use the keyboard comfortably, but spot-on if you’re just using the screen, while the lower 19-degree angle felt comfortable for long typing sessions. Conversely, I found the placement of the laptop rests to be a bit uncomfortable – they’re easy to adjust to the height of your laptop, but since they stick up above the lip of the wrist rest, I found they dug into my wrists. However, I find this is a problem with a majority of cooling pads.

So it’s safe to say that after experiencing this mindful design, my expectations of the cooling the Mistral would offer was quietly optimistic – or maybe even loudly optimistic, once I’d seen those two enormous 4500rpm fans built-in. Unfortunately, my hopes were dashed more thoroughly than a college student’s AI-written dissertation.

(Image credit: Future)

As always, I tested the Klim Mistral’s cooling capacity by running a 3DMark Steel Nomad stress test on our testing laptop for 15 minutes with the cooling pad on max power, measuring the device’s temperature before and after. During the test, our laptop rose from 77ºF / 25ºC to 113.9ºF / 45.5ºC, a whopping 36.9ºF / 20.5ºC – for context, we’ve only had one cooling pad perform worse, the $29.99 / £29.77 TopMate C12 Laptop Cooling Pad, which presided over a rise of 41ºF / 22.8ºC. That’s significantly below what I’d expect from a cooling pad at this price.

In fact, I was so baffled that I did something I never do: I gave the Mistral a second chance. I re-ran the test later in the day, in the event that user error had somehow contributed to this poor performance. Ensuring the laptop was sat firmly on top of the seal, I found the results were certainly different – but not in the way I’d hoped. This time, the laptop’s core temperature rose a ludicrous 54.9ºF / 30.5ºC. Given our baseline stress test for our laptop only saw it rise 57.4ºF / 31.9ºC, this would mean the cooling pad shaved off only 2.5ºF / 1.4ºC, which is negligible enough not to be worth the trouble.

Trying to give Klim the benefit of the doubt here, it does warn heavily on its website that only certain types of laptop will work properly with the Mistral. Your computer will need to be between 15 and 17 inches and feature downward ventilation – but our testing laptop did meet both these criteria. I have also seen several online user reviews mention that the design of their laptop meant there were still small gaps around the rubber seal, negating the high-pressure effect intended.

Still, even if the Mistral's poor performance is down to the fact our laptop isn’t the perfect fit for its design, most of the other cooling pads I’ve tested have functioned regardless of the shape of our testing device. Sure, it’s perfectly possible that the Klim Mistral will send a chill through your laptop more icy and severe than your second-grade teacher – but do you really want to roll the dice on that?

(Image credit: Future)

Another thing that Klim warns about on its site is that its supposedly high-performance design can result in a lot more noise. If I’m honest, it didn’t really strike me as much of an outlier here: measuring the combined noise output of the cooling pad and our laptop 10 minutes into our test, it clocked 61dB from a few inches away and 51dB at my head height. That’s pretty much par for the course for medium to high-end cooling pads, so it wasn't really a concern. If you're a bit more noise-sensitive though, you may find your mileage here varies.

Ultimately, I feel like the Klim Mistral’s build and price write checks that its cooling can’t quite cash. Yes, I’ll accept that it might achieve better results if you have the exact design of laptop – but is that something you should really have to take a punt on when spending $69.97 / £59.97? Fundamentally, other options on our list of the best laptop cooling pads offer more predictable performance, whether you’re spending this kind of money or much less.

(Image credit: Future)Should I buy the Klim Mistral?Buy it if...

You need flexible, ergonomic design
Offering six height settings, the Klim Mistral is easy to adjust to the most comfortable angle needed for any given task.

You want mature looks
Unlike its edgelord-y stablemate, the Klim Wind, the Mistral has far more restrained looks, offering a cleaner outline and some five-color LED lighting.

Don't buy it if...

You don’t want to gamble with your cooling
Fundamentally, I couldn't get the Klim Mistral to perform as it should. If that’s even remotely a risk you don’t want to take, I’d look elsewhere.

You prefer quiet
Given its 4500rpm fans, the Klim Mistral isn’t excessively loud, but nor is it exactly demure. If you don’t want to annoy your room-mates or colleagues, we'd steer clear.

Klim Mistral review: also consider

Llano RGB Laptop Cooling Pad
For me, this represents the crème de la crème of laptop cooling pads. Sure, it sounds like a hyperventilating vacuum cleaner, but it offers the most effective chilling of any of the products I’ve reviewed. In tests, it only let our laptop’s temperature rise by 14.4ºF / 8ºC – and looked fantastic while doing it, oozing restrained, RGB-lit style. The only real caveat is the price: at $119.99 / £129.99, it costs a pretty penny. Read my full Llano RGB Laptop Cooling Pad review.

Llano V10 Gaming Laptop Cooling Pad
If you want a cooling pad more in line with the price of the Mistral, the V10 Gaming Laptop Cooling Pad is definitely closer at $89.99 / £116.26. Despite this, it still offers vastly superior cooling to the Mistral, trimming our laptop’s heat rise to just 21.6ºF / 12ºC, making it a decent way to cool your computer without having to step up to the full price of the Llano RGB above. Read my full Llano V10 Gaming Laptop Cooling Pad review.

(Image credit: Future)How I tested the Klim Mistral

• Used it over the course of several days
• Measured the heat rise of a laptop with the pad on maximum settings
• Recorded how much noise it made two-thirds of the way through our stress test

To put the Klim Mistral through its paces, I followed TechRadar’s standard testing procedure. Running a 3DMark Steel Nomad stress test for 15 minutes on our Acer Predator Helios 300 laptop with an Nvidia GeForce RTX 3080 GPU, I set the Mistral on its maximum cooling and measured our laptop’s temperature before and after using a thermal camera. I then compared this to the benchmarks recorded from every laptop cooling pad test we’ve run to date.

In addition, I recorded the combined noise output of the cooling pad’s and our testing laptop’s built-in fans. To do this, I used a sound level meter to measure their volume 10 minutes into the test, recording it both from a few inches away and at my head height (21 inches away). This allowed me to get a sense of both an objective volume, as well as the subjective amount of noise you’re likely to experience in use.

Finally, I made sure I used the Klim Mistral in a variety of scenarios to get a sense of its ergonomics and how comfortable it was in use. I did this by using it to play multiple games and by using it for some of my daily work, so I could build up a meaningful impression of how it works in practice. I bring plenty of experience to this table: not only have I been covering gadgets for many years, but I’m also a creative and gamer, which means I have a lot of experience of pushing my laptops to their limits.

• First reviewed: September 2025
• Read more about how we test

The Klipsch Flexus Core 300 soundbar sounds great and comes with an almost unparalleled feature set, including Dirac Live room correction.

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Sure, this popular cooling pad has a chance of chilling your laptop – but do you really want to have to roll the dice?