SKU: 22521624040

B2 Audio RAGE MI 850 - Mono Amplifier

Sale price$181.35 Regular price$201.50
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Description

B2 Audio RAGE MI 850 - Mono AmplifierRAGE MI Imagine the RAGE amps, with their features, performance and versatility. Their footprint is small for their performance, but can it be wrapped up in a slight different package? The RAGE MI, where the MI equals Mini does exactly that. Power, Performance, Perception & even smaller! It sounds too good to be true, but with a few redesigns weve made it possible. Offering the exact same power as the RAGE 1200s wouldnt make any sense, so we dialled

RAGE MI

Imagine the RAGE amps, with their features, performance and versatility. Their footprint is small for their performance, but can it be wrapped up in a slight different package? The RAGE MI, where the MI equals Mini does exactly that. Power, Performance, Perception & even smaller! It sounds too good to be true, but with a few redesigns we’ve made it possible.

Offering the exact same power as the RAGE 1200’s wouldn’t make any sense, so we dialled it back a bit. Not much though, the RAGE MI 1000.4 still offers an impressive true 4 x 175 W RMS @ 4 Ω. In dyno testing we were less than 6 % shy of that at 8 Ω! That goes to say these amps are beyond expectation.
The other RAGE MI offering is a 850 W mono and stable at 1 Ω. The same efficiency is clear here, 2 Ω dyno performance boasts more than 600 W. The near identical footprint of these 2 amps makes them perfect for sleek installs.
Any Level

The MI mono took notice of its RAGE 1200 siblings high level feature. The high & low level inputs offers greater flexibility, especially in vehicles where no RCA outputs are present. Given the modest dimensions, the amp can be hid away nearly everywhere (9.5 x 4.9 x 2.2″ / 24 x 12.5 x 5.7 cm). There’s no excuses for having insufficient bass response anymore. Even with a small amount of space for an enclosure, our shallow mount woofer RIOT FL10 solves that.
The RAGE MI 850 has a fully featured 12 dB / octave crossover section with 10 Hz ~50 Hz adjustable subsonic, 35 Hz ~250 Hz lowpass & a fixed 0 ~12 dB boost level @ 45 Hz. We even managed to squeeze in an external bass level remote port.
Packing the panel

The 4 channels of the RAGE 1000.4 MI takes up the entire panel. We didn't narrow it down with fixed crossover points & only 1 crossover type per stereo channel. The amp has fully configurable high & low pass crossovers on all channels. With the 50 Hz ~5 KHz adjustable frequency range the amp is ideal for anything , mid woofers, midranges, even bullet tweeters! Seeking more? The bridged configuration has more than 500 W available per channel, equalling over 1000 W RMS in total! With lowpass crossovers set accordingly, this tiny amp can used as a pure sub amp, or even as a tri-mode, with loudspeakers on the unbridged channels (front) and a woofer on the bridged channel (rear).

SPECIFICATION 14.4V
Power @ 4 Ω: 1 x 350 w
Power @ 2 Ω: 1 x 600 w
Power @ 1 Ω: 1 x 850 w

SPECIFICATION

Frequency Response: 10 Hz ~ 35 KHz (+/- 2 dB)
Signal to Noise Ratio: > 93 dB
Input Sensitivity: 6 ~ 0.2 V
Crossover: 12 dB / Oct
High Pass Crossover (Subsonic): 10 Hz ~ 50 Hz
Low Pass Crossover: 35hz ~ 250Hz
Damping Factor: >200
Power Terminal Gauge: 4 GA x1
Fuse Rating: 100 A
Operational voltage: 9 V ~ 17.5 V
Dimensions: 9.45″ x 5.9″ x 2.2″
240 x 125 x 57 MM
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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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: 22521624040

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4.8 ★★★★★
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GNosk
Houston, US
★★★★★ 5
Great investment.
Style: Small Ball, Size: 2 Count
Dogs love them. Durable. Chew worthy for a beagle and a German shepherd. You cannot smell the flavor imparted but the pups definitely can. Always purchase the amount you need so each dog can have one. .
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
H
Verified Purchase
howdy
West Palm Beach, US
★★★★★ 5
Bacon and a Ball? Can life get any better?
Style: Small Ball, Size: 3 Count
Come on.. these balls are the best. They smell like bacon, yes, they really do. They are durable and squeak. Upon aggressive play, the squeak will die out but the ball will still be useable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
S
Verified Purchase
shaa255
Chelsea, US
★★★★★ 5
She LOVES this ball
Style: Small Ball, Size: 1 Count
Our dog likes toys, but this ball is now her favorite ball. She even took it to bed with her last night. Our dog is 65 pounds, but she likes smaller toys so I ordered the small ball. It’s a good size. It’s nice and soft and squeaks. She seems to kills the squeaker right away, but she didn’t with this ball. It seems to be the least amount of money I’ve spent on a toy for her and it’s her favorite. I ordered another one just to have on hand. This toy is a great bargain!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026
M
Verified Purchase
Marvin
Port Orchard, US
★★★★★ 4
Not Durable Enough for a Dachshund to be Left Alone With (Updated)
Style: Small Ball, Size: 3 Count
I just received these balls today and got one out for my daughter's Dachshund. She loved it for about 15 minutes and then gnawed a huge chunk out of it. It was in the garbage within 20 minutes of receiving it. I'm not even going to give her the other ones. We had an issue once before where she was chewing on her Kong and swallowed some pieces. It messed up her digestion for quite a while. Not taking the chance with these balls. Too bad because they have nice bounce and good squeak. She was thrilled with it until we saw that she ruined it and we quickly took it away from her. If you have a Dachshund or other aggressive chewer, I'd look for something else. UPDATE - I've bumped up the rating by 2 stars, changed the review title, and ordered another set. We found that we can't leave the dog alone with the ball, but if we use it to play with her, we can monitor when she starts to aggressively gnaw at it. So now, it's more of a fetch ball and we've taught her how to stop gnawing it and drop it for another chase. They still give in to her sharp little teeth more easily than other toys, but she really loves them and gets so excited when we get one out. It's easily her favorite toy, and who doesn't want to see their pup happy?! It's definitely not a chew toy, but it's been great as a fetch ball. If you go into it with that understanding, you and your pup will both be happier with the product.
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Reviewed in the United States on October 23, 2024
B
Verified Purchase
Brian A. Clatterbuck
Phoenix, US
★★★★★ 5
Our Dogs Are Obsessed. The Squeak Is Intense.
Style: Large Ball, Size: 3 Count, Style: Large Ball, Size: 3 Count
BLUF: Our dogs absolutely love these — the squeak is loud enough that we sometimes have to take them away. --- Our dogs went crazy for these the moment we opened the pack. They’re durable, super bouncy, and easily became the new favorite toys in the house. The only thing to know is that the squeak is loud — like “I need to take this away for a minute” loud. But honestly, that’s probably why the dogs love them so much. Great value for a 3‑pack and perfect for pups who enjoy a good squeaky toy.
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Reviewed in the United States on April 16, 2026

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