SKU: 52780883328

B2 Audio RAMPAGE ELITE - 18″ Subwoofer

Sale price$652.05 Regular price$724.50
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Description

B2 Audio RAMPAGE ELITE - 18″ SubwooferRAMPAGE ELITE! ALL NEW Rampage ELITE Series. 2012 had the seeds planted for the RAMPAGE. A direct derivative from the legendary & innovative X2C subwoofer with a 5 voice coil. Although the RAMPAGE XM is based on a 4 coil platform, its performance will not stand in the shade of its heritage. In many ways, it pushes the boundaries even further. The new basket offers better cooling with improved SAFT (Smooth Air Flow Tech) & has the ability of offering

RAMPAGE ELITE!

ALL NEW Rampage ELITE Series. 2012 had the seeds planted for the RAMPAGE. A direct derivative from the legendary & innovative X2C subwoofer with a 5″ voice coil. Although the RAMPAGE XM is based on a 4″ coil platform, its performance will not stand in the shade of its heritage. In many ways, it pushes the boundaries even further. The new basket offers better cooling with improved SAFT (Smooth Air Flow Tech) & has the ability of offering even more XMAX than the previous basket . 3.15″/ 80 mm peak to peak handled by the 315 mm / 12.4″ spiders (Or optional 14″!) , that are amongst the largest you will find on any traditional 15″ subwoofer (without the use of adapters), in addition the new basket offers a triple landing so you can customize the stiffness and spider size to your application.
OCAF

OCAF version II (Optimized Cooling And Flow) implemented in the new motor design has adapted the large flares from the X2C’s backplate. In addition the pole piece features a dual cooling system that leads the air more efficiently away from the voice coil. Even though the internal diameter of the coil is 4″, the outer diameter of 4.33″ makes this coil a widebody, coupled with an 8 layer tall winding, this design is made for daily torture or demo days!

The RAMPAGE XM’s motor has increased now to a QUAD 12″ slug variant coming in at 1400oz. Still we are able to keep the entire height of the motor to a mere 10% more than 2nd gen XM. With the longer Xmech, the added 10% comes into play.
Stiffness

Another tool was made for the XL composite dust caps with embossed B2 logo. The half spherical design with wider wedges stiffens up the cone, offering greater stability, and helps keep that transient response tight. So when the bass drops its on point. Using a slightly wider stretch foam surround there’s less mechanical parts that will limit your stroke.

SPECIFICATION RAMPAGE ELITE 18 DUAL 1 RAMPAGE ELITE 18 DUAL 2
Power Handling: 4000 wrms 4000 wrms
Sensitivity: 94.7 dB 91.8 dB
Nominal Impedance: Dual 1 Ω Dual 2 Ω
Xmax ONE WAY: 40mm 40mm
DC Resistance (Re): 1.0 Ω 1.8 Ω
Resonanse Frequency (Fs): 26.3 Hz 26 Hz
Vas: 84.8 L 99 L
Qts: 0.41 0.34
Qms: 7.74 7.875
Qes: 0.43 0.36
Voice Coil diameter: 4″ 4″
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • 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: 52780883328

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Brooke
Waukegan, US
★★★★★ 5
Favorite socks
Size: Medium, Color: Black/Assorted
These are my go to socks! Love these. Great towards sweat and different weather temperatures. Mostly use for working out and love them. Will be getting more!
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Reviewed in the United States on April 9, 2024
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Glass
Houston, US
★★★★★ 5
I stay on your foot they don’t slip in your shoe
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
This is the only socks I wear Under Armour because they stay in place I wear a size 8, but they’re more comfortable with a large instead of a medium, but I wear both because I have them already and you can pull them to stretch them out a little bit
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Reviewed in the United States on May 12, 2026
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Lauren
New York, US
★★★★★ 5
Great fit, truly doesn’t slide off heel
Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium, Number of Items: 3, Color: White/Neutral (3-pairs), Size: Medium
I’ve scoured all the lands looking for a no-show sock that was 1) thin, 2) quality, soft, breathable material, 3) didn’t dig into my feet/heels, 4) doesn’t shrink, and most importantly 5) stays on the back of my heel without a bulky non-slip rubber piece and these check all the boxes! Perfect for low profile women’s work shoes like Keds, etc. Not low enough for most flats though. I wear a women’s size 9.
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Reviewed in the United States on April 19, 2025
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Elliz
Port Orchard, US
★★★★★ 5
So good - I’m buying MORE.
Number of Items: 3, Color: White (3-pairs), Size: Medium
I’m gonna give you more detail than you need about why I’m buying these socks again. I’ve been the mom of girl athletes. I’ve been a model and a fashion director. I’ve worn every brand of shoe on the planet and never found a shoe that did NOT find a vulnerable spot on my foot to rub raw. Even my beloved white Jack Purcell sneakers. With that said - I don’t like socks. I’ve bought a TON of them in 35+ years.....all major brands. They shift. They lose their shape. They get holes in them and wear out too fast. Not these. I retired this year, and knowing I’d be in sneakers a lot, traveling, sightseeing ...... I bought these 6 months ago and have worn them constantly. I’ve traveled with them. I’ve washed them in hot water and bleach. The socks are like brand new. They are exactly the right cut so as not to be seen in a basic sneaker. The little silicone patch on the heel stays put. Not once have I had to dig down into my shoe and pull the sock back up. The socks have stayed soft and EXACTLY the same as the day they were new. Like I said - I am back to buy them again. Great quality!
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Reviewed in the United States on January 20, 2021
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Judy Fletcher
Lexington, US
★★★★★ 5
No slip low socks
Number of Items: 3, Color: Black/White (3-pairs), Size: Medium
Perfect! ❤️ these!
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Reviewed in the United States on February 16, 2026

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