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🎵 Unleash seismic bass that commands attention and leaves no room for compromise!
The Dayton Audio UMII18-22 Ultimax II 18" DVC Subwoofer features a robust 1200W RMS power capacity, a precision-engineered carbon fiber cone for fast and accurate sound, and an impressive ±28mm linear excursion for deep, distortion-free bass. Designed with advanced cooling vents and dual spiders, it ensures reliable performance even at extreme volumes. Perfectly suited for both sealed and vented enclosures, this subwoofer is a top-tier choice for audiophiles and car audio enthusiasts seeking powerful, clean, and immersive low-frequency sound.







| ASIN | B0DBRHBF1Y |
| Antenna Location | For Home Theater Systems, For Car Audio, For High-End Music Setups |
| Audio Driver Size | 18 Inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Surround |
| Best Sellers Rank | #64,581 in Electronics ( See Top 100 in Electronics ) #639 in Car Component Subwoofers |
| Brand | Dayton Audio |
| Built-In Media | Speaker |
| Color | Black |
| Compatible Devices | Television, Laptop |
| Compatible with Vehicle Type | Car, Truck |
| Connectivity Protocol | Aux, RCA, XLR, Coaxial, HDMI, USB |
| Connectivity Technology | Wired |
| Control Method | Touch |
| Customer Package Type | Non-Flat Free Package |
| Customer Reviews | 5.0 out of 5 stars 35 Reviews |
| Enclosure Material | Carbon Fiber, Aluminum |
| Frequency Response | 22 |
| Global Trade Identification Number | 00848791010255 |
| Is Waterproof | FALSE |
| Item Dimensions D x W x H | 10"D x 10"W x 8"H |
| MP3 player | No |
| Manufacturer | Dayton Audio |
| Model Name | Dayton Audio UMII18-22 |
| Model Number | UMII18-22 |
| Mounting Type | Flush Mount |
| Number Of Circuits | 1 |
| Number of Audio Channels | 5.1, 7.1 |
| Number of Items | 1 |
| Power Source | Corded Electric |
| Series Number | 2 |
| Speaker Maximum Output Power | 400 Watts |
| Speaker Size | 13 Inches |
| Speaker Type | Subwoofer |
| Specific Uses For Product | Home Theater, Car Audio, Audiophile, Gaming, Podcasting, DJing |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 18 Inches |
| UPC | 848791010255 |
| Unit Count | 1.0 Count |
| Warranty Description | 5 Year |
| Warranty Type | Full |
| Wireless Technology | No Wireless Communication Technology |
| Woofer Diameter | 18 Inches |
C**N
Amazing subwoofer will blow your mind. buy it. buy it. buy it! do not hesitate!!!!!!
OK so I am loving this subwoofer. I currently am living with someone that runs two parts express knockdown flat pack sealed 15 inch boxes which is the exact same door 15 inch set up that I am currently about to do. He is running UM – 15–22 gen ones supposedly the gen 2’s sound better can handle a little bit more power. And is overall a better sub I haven’t heard it, but I love the look of both models. I am in love with the sound coming from the first generation subwoofer along with the Behringer NX 6000 D that we are both running all around is an amazing sub it digs deep it sounds absolutely amazing. It’ll blow your mind on DIY builds it functions amazing you can throw a lot of power at it and they will not blow. They will blow your mind in my opinion. The best bang for the book there is to buy if you run the right DSP settings, which it is a pain in the ass, but you can get them to sound absolutely phenomenal and cranked them to outrageous levels without bottoming out or distortion. They are all around a durable sub and I very much like them. I am super super super impressed. I cannot wait to buy a second one and get them to installed in my boxes and running. I will update this with videos very soon.!!!!
S**Y
Great for the pride point
Used for car audio for my case, sounds phenomenal, has no mechanical noise, I have it in an infinite baffle/ trunk baffle setup. Going roughly 8-months strong
E**N
The best keept secret!!!
Very low distortion even at high cliping. Sounds great in the prefab ported skar box. Highly recommended. Very musical bass..Great build quality. Alot more high end then kicker or skar.
P**L
Well made quality subwoofer.
Terrific sound quality. Looks and sounds amazing.
R**T
Hella good and clean bass
The most powerful 8 inch sub i own and wow the xmax/excursion is crazy i built a vented box with the f3 tuned to 29 insted of the 33 AND IT RIPSSSS!!!
R**D
Bang for the Buck literally!!!
I rarely write reviews but I feel I have to for this sub. It's not even broken in and I am amazed at the sound quality and output of this sub! I'm running it at 1ohm on an 800.1 Taramps in a 1.13 cu ft sealed box and this thing sounds AMAZING!!!! Just buy it! You will not be disappointed!!! Super low and clear bass 😁
R**T
Good quality ….build and sound
Subwoofer was of good quality and after break in I installed it in my box and it has been performing well.
D**K
Really good build quality and awesome sounding!
I used this sub to replace an existing 15 in an existing enclosure for my home theater, I wasn't expecting much difference but it was a huge difference! Low base and mid base improvements. I'm using a folded horn enclosure and an external QSD 1,600 watt amp.
Trustpilot
3 weeks ago
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