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Description
B2 Audio Subwoofer & Amplifier Combo RAGE1200.4 V2 w/2 RAGE8 D4 V3 SubsPowerful RAGE Combo Upgrade: Includes the B2 Audio RAGE 1200. 4 V2 4 channel amplifier paired with two RAGE8 D4 V3 8 inch subwoofers, delivering a strong, hard hitting bass upgrade for any system. High Output 8" V3 Subwoofers: Each RAGE8 V3 handles 500W RMS and 1500W peak, featuring dual 4 ohm 2 inch copper voice coils, a tall U shaped surround, RNPP cone, and a 175 oz ferrite motor for tight, controlled, deep bass. Clean and Efficient Amplifier
- Powerful RAGE Combo Upgrade: Includes the B2 Audio RAGE 1200.4 V2 4-channel amplifier paired with two RAGE8-D4-V3 8-inch subwoofers, delivering a strong, hard-hitting bass upgrade for any system.
- High-Output 8" V3 Subwoofers: Each RAGE8 V3 handles 500W RMS and 1500W peak, featuring dual 4-ohm 2-inch copper voice coils, a tall U-shaped surround, RNPP cone, and a 175 oz ferrite motor for tight, controlled, deep bass.
- Clean and Efficient Amplifier Power: The RAGE 1200.4 V2 produces up to 1200W RMS with efficient Class D technology, providing clean output, excellent control, and strong performance for both daily driving and high-performance builds.
- Built for Real Performance: High-excursion design with 13 mm one-way Xmax, durable construction, and wide 10 Hz to 500 Hz frequency response allow the subs to deliver impressive low-end impact in compact enclosures.
- Perfect for Serious Car Audio Builds: Ideal for sealed, ported, or bandpass setups, this combo delivers the clarity, punch, and reliability B2 Audio is known for, making it a powerful upgrade for enthusiasts who want bass they can feel.
B2 Audio RAGE 1200.4 V2 4-Channel Amplifier + 2 RAGE8 D4 V3 Subwoofers COMBO-20
This Listing Includes:
- (1) B2 Audio RAGE Series B2-RAGE-1200.4-V2 Amplifier
- (2) B2 Audio RAGE8-D4-V3 8" Dual 4-Ohm Subwoofers
The B2 Audio RAGE Combo-20 has been upgraded, now pairing the powerful RAGE 1200.4 V2 full-range amplifier with the new RAGE8 V3 8-inch subwoofers to deliver a stronger, deeper, and more flexible bass experience. The RAGE1200.4 V2 amplifier delivers up to 1200 watts RMS across 4 channels with efficient Class D performance, giving you clean output, excellent control, and plenty of headroom for demanding setups.
Matched with the new RAGE8-D4-V3 subwoofers, this combo brings serious low-end authority in a compact footprint. Each RAGE8 V3 handles 500 watts RMS with a long-excursion suspension, dual 4-ohm 2-inch copper voice coils, a tall U-shaped surround, RNPP cone, and a heavy-duty 175 oz ferrite motor for tight, impactful, and controlled bass. Whether this is going into a daily driver, small trunk build, or a more serious custom setup, Combo-20 delivers output you can feel and reliability you can trust.
Subwoofer Specifications (RAGE8-D4-V3):
- RMS Power: 500 Watts
- Peak Power: 1500 Watts
- Impedance: Dual 4-Ohm
- Voice Coil: 2 inch Copper
- Frequency Response: 10 Hz to 500 Hz
- Sensitivity: 80.6 dB
- Magnet Type: Ferrite
- Motor Weight: 175 Oz
- Cone: RNPP
- Surround: Tall U-Shaped Foam
Thiele Small Parameters:
- FS: 42.8 Hz
- Vas: 4.7 L
- RE(series): 6.4 Ohm
- Qms: 5.93
- Qes: 0.59
- Qts: 0.53
- CMS: 90 um/N
- BL/RE: 70
- MMS: 153.6 G
- Xmax (one way): 13 mm
- SD: 194.3 cm
- Efficiency: 0.07%
- Le(1 KHz): 3.2 mH
- EBP: 73
Enclosure Suggestions:
- Sealed: 0.274 cu.ft
- Ported Compact: 0.53 cu.ft tuned to 42 Hz
- Ported: 0.99 cu.ft tuned to 35 Hz
- Bandpass: 4th order capable
Dimensions:
- Overall Diameter: 8.66 in
- Baffle Cutout: 7.23 in
- Mounting Depth: 5.63 in
- Total Depth: 6.18 in
- Weight: 14.33 lbs each
Amplifier Specifications (B2-RAGE-1200.4-V2):
- RMS Power @ 4 ohm: 4 x 200 W
- RMS Power @ 2 ohm: 4 x 300 W
- RMS Power @ 1 ohm: 2 x 1200 W (Bridged @ 4-Ohm)
- Circuit Type: HI-EF Class D
- Frequency Response: 20 Hz to 20 KHz
- Signal to Noise Ratio: > 90 dB
- Input Sensitivity: 6 V to 0.2 V
- Crossover: 12 dB / OCT
- Low Pass: 40 Hz to 4 KHz
- High Pass: 40 Hz to 4 KHz
- Damping Factor: > 200
- Power Terminals: 0 AWG
- Fuse Rating: 100 A
Measurements:
- Length: 10.9 in
- Width: 6.69 in
- Height: 2.26 in
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.5 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Best fluffy but firm pillows
Size: King(Pack of 2), Size: King(Pack of 2)
These pillows are worth every penny! They started off pretty flat but after three days they plumped up well. In addition to them being plump, they are also firm. Exactly what I was looking for. You can shake up the internal stuffing if you want them softer too. They were a bit pricey but I’m going to repurchase and replace all my home pillows with these. I do sleep hot and the cooling side is perfect to lay on. Kept me cool and comfortable. I haven’t had any neck or back pain after switching to these pillows too. Absolutely recommend these for your home. The photo shows how full the pillows are. I have four pillows in the picture plus two smaller other brands. These are definitely fluffier.
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Reviewed in the United States on January 8, 2026
★★★★★ 5
This Pillow Is A Must Buy!! What Are You Waiting For?
Size: Queen (Pack of 1)
This is, without a doubt, the best pillow I have ever owned. One of my favorite features is the adjustable shredded memory foam fill, which allows you to customize the loft and firmness by adding or removing foam to suit your sleeping preferences. As both a side and back sleeper, I found it incredibly comfortable and supportive.
The overall quality is excellent, from the materials used in the pillow itself to the thoughtful packaging. The removable cover is washable, although I personally use a pillowcase to keep it protected. I also appreciated that extra foam is included, making it easy to fine-tune the pillow over time.
The difference in my sleep quality was noticeable from the very first night. I’ve been sleeping more comfortably and waking up feeling more rested ever since I started using it. Considering the quality, comfort, and customization options, I believe the $75 price point is well worth it. I am so impressed with this pillow that I plan to purchase another one in the future.
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Reviewed in the United States on June 4, 2026
★★★★★ 5
This is a high-quality, well-designed pillow that combines softness, comfort, and adjustability
Size: Queen (Pack of 1), Size: Queen (Pack of 1)
I purchased the DreamyBlue Signature Adjustable Pillow for my husband because he often experiences back discomfort, and many of the pillows we had previously would become flat and lose their support over time.
This pillow has exceeded our expectations. It is incredibly soft, comfortable, and comes with extra filling, which allows you to adjust the firmness to your personal preference. We really appreciated having that option.
Even after extended use, the pillow has maintained its shape much better than other pillows we've owned. It provides a plush, cozy feel while still offering good support. My husband finds it very comfortable, and it has quickly become his favorite pillow.
This is a high-quality, well-designed pillow that combines softness, comfort, and adjustability. I would definitely recommend it.
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Reviewed in the United States on June 4, 2026
★★★★★ 5
Finally Found a Pillow Worth Keeping
Size: Queen (Pack of 1)
I genuinely feel like I’ve tried every pillow on the market. At one point, I thought Amazon was going to flag my account because I bought and returned so many pillows trying to find the right one.
This is the only pillow that made the cut.
The shredded memory foam filling makes a huge difference because the pillow is both soft and supportive, while still being adjustable to fit the way you sleep. It arrives extremely full and plush, and it even comes with an extra bag of fill, which honestly surprised me. I ended up removing about half of the filling to get it exactly how I wanted it.
I’m a side/stomach sleeper, which can make finding a good pillow difficult since most are either too thick or too flat. This one was perfect because I could shape it exactly how I sleep.
It stays cool throughout the night, has a slightly heavier premium feel, and feels much higher quality than most pillows I’ve tried. Super comfortable, supportive, and customizable.
I would absolutely recommend it and would definitely buy it again
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Reviewed in the United States on May 24, 2026
★★★★★ 4
A bit expensive
Size: Queen (Pack of 1)
Waited to give a review on this one because I needed several nights before I had any idea if it was as good as everyone says.
I've had a real problem finding pillows lately. Either they're too soft to provide support and I wake up with a stiff neck or they're too sturdy and I wake up with a stiff neck. Contour pillows have worked best for me, but they fall under the category of too sturdy. I also toss and turn too much at night, which means I always end up in an awkward position with contour pillows.
So I took a chance on an obscenely expensive pillow, and yes, that is the reason for one less star. I'd happily pay $70 for a pillow I thought was amazing and comfortable and perfect, but this one wasn't quite it. It IS comfortable. I have slept on it for a month now without it making my neck stiff, so it does actually provide a good balance between soft and sturdy. They make it easy to stuff the pillow to your preferred fluffiness and even provide extra stuffing if you need it, which adds to the degree of comfort.
While the pillow does provide good neck support, I toss and turn a bit trying to find a comfortable position when I first try to sleep. The stuffing within the pillow moves around at night, most notably shifting to the side and the pillow is notably flatter now than when I first purchased it. You can fluff it out, similarly to a down pillow, but it doesn't seem to retain its shape on its own. In some ways, that's good because what it does instead is try to retain a shape that fits you.
So yes, this is a really good pillow. One of the better ones you can buy. But it's really expensive for a pillow.
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Reviewed in the United States on May 13, 2026