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Description
KResearch KR-Fatter STRKR Fatter STR is a modular hybrid plug in processor using two different proprietary time and frequency domain dsp platforms in a single unit. The frequency domain platform used is Spectral Transformation Resynthesis (STR). STR is a digital signal processing (dsp) platform that operates exclusively in the frequency domain and makes use of specially developed spectral transforms for synthesis and audio effect design. At the same time, KR Fatter STR is
KR-Fatter STR is a modular hybrid plug-in processor using two different proprietary time and frequency domain dsp platforms in a single unit. The frequency domain platform used is Spectral Transformation Resynthesis (STR). STR is a digital signal processing (dsp) platform that operates exclusively in the frequency domain and makes use of specially developed spectral transforms for synthesis and audio effect design. At the same time, KR-Fatter STR is using specially designed time domain processing elements like for example fractal based variance controls. By combining these two platforms in a single unit, new more powerful effects can be achieved by rather using a single platform.
KR-Fatter STR can be used to enhance the spectral content of audio signals containing vocal, instrument or synthesized sound recordings. By using different combinations of the available modules KR-Fatter STR allows the creation of different effects like Fattening, Spectral Coloring, Imaging, Harmonizing, Pitch Shifting, Delay, Modulation and other Special effects. Special attention was given in the design of this processor in the use of Naturally perceived randomization of the available functions in order to produce a spectrally evolving output. These randomizations implemented using Fractal algorithms can transform dull static audio signals into vibrant, rich and natural sounding recordings.
The available modules and functions can be employed in both serial and parallel fashion to achieve different results. KR-Fatter STR can create up to an additional 4 stereo copies (total 10 mono channels including the dry signal) of the input signal which can be processed individually by applying modular effects and mixed together in a final master stereo output bus.
The modular effects available in KR-Fatter STR are:
- Generic pitch-shifter: generate pitch related variations of the original audio signal
- Animated pitch variation: produce animated pitch variations
- STR color (STR transform filter): design thousands of different spectral color variations of the original input audio spectrum
- Low frequency oscillator (lfo) modulation: give vibrato effect
- Phase: add naturally perceived phase related variations
- Amplifier: add naturally perceived amplitude related variations
- Shelving equalizer (EQ): use to spectrally balance individual channels and/or the whole mix
- Delay: use to create delayed copies of the input
- Panning: use to create imaging effects or expansion
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4.7 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Westies Fav
Size: Small, Pattern Name: Pack of 1
Best Westie ball ever, my dog loves this ball. Exactly her size! 3" tennis balls are too big & she rips the fur off. this silicone-ish ball has no fur & is 2&1/2 "
We have 2" balls from her electronic ball laucher, but she still loves this glow in the dark best!
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Best dog ball in the world!
Size: Large, Pattern Name: Pack of 1, Size: Large, Pattern Name: Pack of 1
My dog is singularly obsessed with playing ball. He would drop a steak to chase a ball. (He'd return to the steak, but not without the retrieved ball. He's not an idiot.) He makes dangerous leaps, crashes into trees, and runs fast enough to catch thrown balls before they even hit the ground. Since he doesn't care about his own wellbeing, it's my job to protect him as much as I can. And a lot of balls are hard enough to cause him pain or dental damage when he mistimes a catch. Enter the ChuckIt Glow Ball!
The minute Cowboy got his first Glow Ball, he no longer had any interest in the dozens of tennis balls scattered around the house and yard. If I took the Glow Ball away and instead threw a tennis ball, Cowboy would run to retrieve the ball, then return without it and begin looking all over the house for the Glow Ball. The Glow Ball is tough enough to survive Cowboy's big, sharp chompers, yet it's soft enough to do no harm when it hits him in the face. The glow feature is a huge bonus, too. Cowboy gets distracted by chipmunks and squirrels when we're playing, so he sometimes can't remember where he dropped the ball to pursue the interloper. If the ball was exposed to enough light before it was misplaced, it will be easy to find once the sun goes down. (Otherwise, Cowboy always finds it eventually.) When I'm feeling nocturnal, I'll put the ball under a light for a few minutes to activate the electrons, then treat my boy to a middle-of-the-night game of fetch.
I was so happy to see these on sale, I bought a lifetime supply for my pantry. The size guide seems accurate. ChuckIt recommended the large size for a dog of Cowboy's weight and that size is perfect. Highly recommended product.
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Reviewed in the United States on October 14, 2024
★★★★★ 5
Bouncy, not hard, and good value.
Style: Fetch Balls (Pack of 10), Size: 2.5 inch
Great balls for the ball launcher and not rockhard like some of the solid rubber balls. These have great bounce, and because of the two holes, they make a fun whistling noise as they fly through the air. My dogs love them and they are a good value.
By the way, if you throw them too hard, they will go through chain-link and no climb fence because they squish a bit!
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Reviewed in the United States on February 16, 2026
★★★★★ 5
Excellent dog balls — safe design and very durable
Style: Fetch Balls (Pack of 3), Size: 2.5 inch
These fetch balls from Amazon Basics are fantastic, and my dog absolutely loves them. One of the biggest reasons I prefer these over other brands is the hole that runs through the center of the ball. This is a very important safety feature: if a dog were to accidentally get the ball stuck in the back of the throat, the hole allows air to pass through. That small detail could literally make a life-saving difference.
Aside from the safety benefit, they bounce well, are easy to clean, and hold up to a lot of playtime. They’re firm but not rock-hard, and my dog goes crazy for them. Great value, great quality, and a thoughtful design.
Highly recommended for dog owners who want a safer alternative to standard solid rubber balls.
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Reviewed in the United States on December 1, 2025
★★★★★ 5
Great ball for heavy chewers
Style: Assorted Balls (Pack of 3), Size: 2.5 inch
Great toy for my Doberman. She chews through tennis balls in about 15 minutes but these are very durable. She likes to chase them but also just chew on them.
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Reviewed in the United States on April 26, 2026