SKU: 87456204644

KEF Kube8b Subwoofer

Sale price$562.50 Regular price$625.00
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Description

KEF Kube8b Subwoofer8 inches bass driver active subwoofer Don't let its compact size fool you, the Kube 8b may not take up much space but the bass it delivers is anything but small. With an 8 inches driver the Kube8b is perfect for smaller living rooms. It shares the 300 Watts Class D amp from the bigger Kubes and has iBX technology to extend the bass depth dynamically. Hear new dimensions in sound with Kube subwoofers The Kube 8b effortlessly unleashes explosive power.

8 inches bass driver active subwoofer

Don't let its compact size fool you, the Kube 8b may not take up much space but the bass it delivers is anything but small. With an 8 inches driver the Kube8b is perfect for smaller living rooms. It shares the 300 Watts Class D amp from the bigger Kubes and has iBX technology to extend the bass depth dynamically.

Hear new dimensions in sound with Kube subwoofers

The Kube 8b effortlessly unleashes explosive power. iBX technology extends the bass depth dynamically and KEF’s unique ability to design, build and integrate the driver in-house takes optimisation to a whole new level. Delivering immersive music and home theatre sound that takes you to the heart of the performance.

Immersiveness

Go deep or go home. KEF’s design and engineering team worked in chorus to develop iBX. This Intelligent Bass Extension algorithm creates an extended depth that unlocks the full potential of the custom driver. Giving you unparalleled precision and ultimate synchronicity between amplifier, driver and sealed cabinet.

Easy configuration

Kube subwoofers offer unmatched set up flexibility. A range of LFE, line and speaker-level inputs, phase selection and DSP controlled EQ settings help you get the best from a Kube. Put it in a convenient place, match it to any main speaker or type of music system and start exploring new depths in the sound.

Integration

KEF is quite possibly the only high-end manufacturer that designs, engineers and assembles the driver, cabinet and circuitry in-house. This level of integration means we are committed to pure sound and the Kube stays true to that ideal. The result is a driver and amplifier that are perfectly in tune.

Specifications

Weight 11.3kg
Dimensions (with Rear panel and feet / H x W x D) 293 x 293 x 310mm (11.5 x 11.5 x 12.2in.)
Design Powered Subwoofer (sealed)
Power Requirements  100V - 120V / 220V - 240V ~ 50 / 60Hz
Unit Measurement  Piece
Variable Low Pass Filter 40Hz - 140Hz & LFE
Frequency Response  34 to 140Hz (-6dB)
Maximum Output  105dB
Recommended Amplifier Power  300 Watts RMS
Amplifier Type  Built-in Class-D
Drive Units  1 x 200mm (8in.)
Inputs  RCA phono sockets Speaker level inputs
Analogue Input  RCA phono sockets Speaker level inputs
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 87456204644

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4.8 ★★★★★
Based on 7 reviews
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Verified Purchase
Logan
Omaha, US
★★★★★ 5
Great value for your new puppy!
Pattern Name: Cow Chew Toy Set
My puppy ripped through many other puppy toys before I bought this set. Her favorite toy is the ring with the rope. I don't know if it's intended that she bites the ring part, but she likes the rope part and I hold the ring part. It makes for more enjoyable tug game for me as well since my fingers are protected when she gets over zealous and chomps higher on the rope. The little blue rope is harder on the fingers in that regard, but is great for an integrated tug and toss game. The blue dumbbell is great to hide a treat in the ends or a little peanut butter and has proven durable. The blue and white chewbone is a durable occupier through getting her adult teeth. I save the plushie and the jingle ball for car rides so I don't have as much to report for them. The whole set has been well worth the price. I got this for her at 4 months old and am reviewing at 6 months old. She is about 25 lbs now, so I estimate this set is good for small and medium puppies. Larger puppies might outgrow this faster.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 10, 2020
L
Verified Purchase
L A
Dallas, US
★★★★★ 5
Perfect for puppies and small dogs
Pattern Name: Cow Chew Toy Set
These toys are perfect for puppies and small dogs. They are well made and very cute. A good buy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 31, 2026
S
Verified Purchase
Selene L Chioino
Phoenix, US
★★★★★ 5
Great quality and made in the USA!
Pattern Name: Cow Chew Toy Set
I'm very happy with these toys. I can't stand these other toys that break easily and are from other countries that just don't have the same standards we do.
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Reviewed in the United States on March 20, 2026
T
Verified Purchase
Tommy
Port Orchard, US
★★★★★ 4
Great pack of toys for your fur-baby
Pattern Name: Cow Chew Toy Set
Our sweet Ziggy loves these toys. A couple he doesn’t pay much attention to, as he has favorites but there is a good variety and he’s enjoying all. The blue rubber toy with ball shapes in end you must watch them with, even with baby teeth he was able to chew ridges enough to get tiny bits of plastic/rubber off in about 10 minutes. He still plays with it outside. His favorite is the nubby blue/white bone, the rope/ring and snuggly plush. Good value!
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Reviewed in the United States on June 11, 2019
B
Verified Purchase
Boston Mom
Cuba, US
★★★★★ 5
Far Exceeded Expectations
Pattern Name: Cow Chew Toy Set
This was the first online purchase of dog toys that I made after we got our puppy. Purchase was made in August 2023. Currently February 2024. Honestly, they were a little oversized for her at the beginning, but she still played with the stuffed cow (it was kind of her woobie) and some of the others. Seven months in, here are her "reviews": Round bone thing: Only clunker for our pup. She never took to that. Cow plush squeaky: Loves it. Easy squeaker so a small puppy can still make it squeak, which they love because they think they're killing it. Flat bone: Excellent for the devoted chewer. This has withstood many hours of gnawing with little evidence of wear. I do inspect it regularly because the hard plastic edging could be problematic if it starts to degrade. But it's holding up so far. Blue double knot rope toy: This was one of her first chewers. She still loves it, though it does show wear because she is chewing off the tassles over time. Totally worth it. Rubber ball with bell: She likes this, especially if someone throws it for her. From an owner standpoint, it gets slimy with saliva pretty quick, so I'm less enamored of it than she is. She hasn't used it as a chewer, though I'm sure some do. We leave it in her crate at night and that's how we know she's awake in the morning, because the bell tinkling as she rolls it around in the crate is a giveaway. The rope ring thing is her A#1 very favorite thing, not just in this pack but among the wide variety of toys she has. She chews on it all the time and I'm back to order a new set of toys just to be sure we have one ready for the demise of the first. She loves to have it thrown, but she'll also just sit and chew on it. She also loves to do what my son calls "the spin cycle," in which she holds the rope in her mouth and throws the ring end all around as she spins. It's entertaining to watch. My aunt would have said, "Oh, look, she's playing with herself." To which my cousin would have replied, "No, Mom. Not WITH herself, BY herself!!!" Remembering which just entertains me all the more. Now, a Boy Scout or sailor with knowledge of knots could re-string the one I have with new rope, I'm sure. And the next time I visit my dad, I'll ask hime to do just that. But for most people that's a bridge too far, so this company would be wise to sell just the rope pull toy. I haven't found a similar design on Amazon. We have found this set to be a great value and highly recommend it.
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Reviewed in the United States on February 3, 2024

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