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The ULTIMEA Poseidon D80 Boom brings cinema-grade 7.1 Dolby Atmos sound. With 500W, 6.5" wireless subwoofer and BassMX for deep bass, X-Upmix & SurroundX create 360° immersion, plus app control and HDMI eARC/IN.
- True 3D Sound with Dolby Atmos-Dolby Atmos technology creates a captivating 3D soundscape that puts you right in the middle of the action. High, mid, and low tones are reproduced with precision, allowing you to experience every sound spatially and rediscover the audio world of your movies and music in a whole new way.
- 33% More Bass with BassMX-The 6.5-inch subwoofer with 16 mm excursion delivers exceptionally powerful and clear bass. Thanks to BassMX technology, it provides 33% more bass performance than the previous Poseidon D80 model – for a dynamic sound profile with rich, precise lows that enhance every audio experience.
- X-Upmix for Enhanced Surround Sound-With X-Upmix technology, any stereo or mono sound is automatically transformed into genuine multi-channel surround sound. This allows you to enjoy an impressive, immersive audio experience – even when the source isn’t multi-channel. Simple operation for maximum listening pleasure.
- SurroundX for a Wider Sound Field-SurroundX uses advanced audio algorithms to optimally expand the sound field based on the signals from the left and right main channels. This creates a significantly wider and more spatial rear sound area, delivering an open and immersive sound experience. Perfect sound placement for true surround sound.
- Shape Your Sound with Ultimea App-Customize your sound with 121 EQ presets and a 10-bandequalizer. Even more features are coming to the Ultimea app - for deeper control arnd more fun.
- Item #11468458
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This item has a different return policy. Items sold and shipped by ULTIMEA can be returned by mail or to a Nordstrom store within 90 days of when the item shipped and must be in new condition, with tags attached. We can’t accept returns for this item at Nordstrom Rack.
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Most helpful positive review
Apr 2, 2026
Just Buy It
I bought this a month and a half ago and I’m genuinely impressed. I upgraded from a 2 year old Philips soundbar with wireless rear speakers and the rear speakers popped and crackled so much I couldn’t focus. This Ultimea 7.1 is exactly what I was looking for. These speakers are crystal clear.
The packaging was great and I was pleased to find that all of the speakers came with a wall mount.
I mainly keep the speakers in movie mode, though when I play video games I change it to game mode, same with music. There is a noticeable change in what comes through the speakers when you change modes.
I have a fairly large and open living room and I typically keep the volume at 10, which is more than enough. I haven’t seen how loud it gets, but even at 5 it’s easy to hear and understand.
Here’s the summary:
The sound quality is great.
The build quality is great.
The packaging is great.
The connectivity is great.
The app is great.
The bass is punchy.
The whole system is LOUD.
I’d recommend this Ultimea 7.1 to anybody.
jrbaconchristopher
Reposted from ULTIMEA
Most helpful critical review
Mar 29, 2026
Buena en general
En general un 10, pero al menos mi unidad tiene un grave fallo, el sonido usando bluetooth es nefasto, he probado varios móviles con el mismo resultado, una pena
Josep
Reposted from ULTIMEA
5 stars
85%
4 stars
10%
3 stars
5%
2 stars
0%
1 star
0%
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jrbaconchristopher
Reposted from ULTIMEA
Apr 2, 2026
Just Buy It
I bought this a month and a half ago and I’m genuinely impressed. I upgraded from a 2 year old Philips soundbar with wireless rear speakers and the rear speakers popped and crackled so much I couldn’t focus. This Ultimea 7.1 is exactly what I was looking for. These speakers are crystal clear.
The packaging was great and I was pleased to find that all of the speakers came with a wall mount.
I mainly keep the speakers in movie mode, though when I play video games I change it to game mode, same with music. There is a noticeable change in what comes through the speakers when you change modes.
I have a fairly large and open living room and I typically keep the volume at 10, which is more than enough. I haven’t seen how loud it gets, but even at 5 it’s easy to hear and understand.
Here’s the summary:
The sound quality is great.
The build quality is great.
The packaging is great.
The connectivity is great.
The app is great.
The bass is punchy.
The whole system is LOUD.
I’d recommend this Ultimea 7.1 to anybody.
Josep
Reposted from ULTIMEA
Mar 29, 2026
Buena en general
En general un 10, pero al menos mi unidad tiene un grave fallo, el sonido usando bluetooth es nefasto, he probado varios móviles con el mismo resultado, una pena
Bogdan
Reposted from ULTIMEA
Mar 20, 2026
More that I aspected
Great sound system.
Basically is more that I aspected. Sound is great, bass is powerful. In a 80sqm apartment with volume at 30%.. it’s too much.
One thing - regarding BT.. for future upgrade please take in consideration a connection where you can add at least 2 device.. for example : iPhone and a Alexa
Karol
Reposted from ULTIMEA
Mar 17, 2026
Its good
I’ve already had experience with this manufacturer thanks to the Ultimea D50. The issue back then was the subwoofer; here, the manufacturer promises a larger and more powerful subwoofer (it’s worth noting that I’m writing a review of the Ultimea D80 Boom). How does it actually perform?
The subwoofer is indeed more powerful; there’s more bass, and it’s clearly of better quality. You can definitely feel it in both music and movies. The soundbar itself offers pleasant sound with clear vocals and treble, but it’s too loud compared to the subwoofer. You can adjust it using the remote or via the mobile app. The overall volume is sufficient to fill a fairly large room (about 40 m²). The manufacturer has done its homework; the soundbar is suitable for more than just background music. The sound quality is decent.
The manufacturer includes a fairly substantial set of accessories with the package; there’s even an HDMI and optical cable. The only thing missing is the battery for the remote control—you’ll have to get that on your own.
On the downside, keep in mind that the device doesn’t have any surround sound decoders. Everything runs on PCM stereo and is decoded by the soundbar itself to create the impression of surround sound. And sure, it works pretty well, but it’s still not true Atmos.
Is it worth it? If the lack of actual decoders doesn’t put you off and the surround sound effect is enough for you, you’ll be satisfied. The soundbar is quite versatile for games, music, and movies alike.
Brian
Reposted from ULTIMEA
Mar 1, 2026
Boom boom
I am highly satisfied with this system. I upgraded from a previous Ultimea system. The sound is incredible and the bass booms!
DF95
Reposted from ULTIMEA
Feb 23, 2026
Great Sound
Its a great system. With some serious power. I appreciate that the front and back speakers don't need to be connected via cable.
