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🎶 Small Size, Massive Vibes — Own the Road with Alpine Bass!
The Alpine S2-W8D4 is a high-performance 8-inch dual 4-ohm car subwoofer delivering up to 900W peak power and 300W RMS. Engineered with a carbon fiber and polypropylene cone, it offers deep, clean bass across a broad 23Hz-215Hz frequency range. Its compact size fits OEM subwoofer spots, while easy installation features like Dual Voice Coil and twist-lock grille mounting make upgrades hassle-free. Perfectly matched with Alpine’s S-Series amplifiers, it’s designed to elevate your in-car audio experience with powerful, distortion-free bass.









| ASIN | B0BYK7QMWD |
| Additional Features | Adjustable Strap |
| Age Range Description | Adult |
| Antenna Location | Motorcycling |
| Audio Driver Size | 8 Inches |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Surround |
| Best Sellers Rank | #214,718 in Electronics ( See Top 100 in Electronics ) #346 in Home Audio Subwoofers #1,207 in Car Component Subwoofers |
| Brand | Alpine |
| Built-In Media | S2-W8D4 |
| Compatible Devices | Smartphone |
| Compatible with Vehicle Type | & SUVs, Select Cars, Truck |
| Connectivity Protocol | Wiring |
| Connectivity Technology | wired |
| Control Method | Voice |
| Controller Type | Voice control |
| Customer Reviews | 4.5 4.5 out of 5 stars (9) |
| Enclosure Material | polypropylene |
| Frequency Response | 20 KHz |
| Impedance | 4 Ohms |
| Is Waterproof | FALSE |
| Item Dimensions D x W x H | 10"D x 10"W x 5.5"H |
| Item Weight | 7.2 Pounds |
| Manufacturer | Alpine |
| Model Name | S2-W8D4 |
| Model Number | S2-W8D4 |
| Mounting Type | Flush Mount |
| Number of Audio Channels | 1.0 |
| Number of Items | 1 |
| Number of Power Levels | 1 |
| Power Source | Corded Electric |
| Series Number | 2 |
| Speaker Maximum Output Power | 600 Watts |
| Speaker Size | 8 Inches |
| Speaker Type | Subwoofer |
| Specific Uses For Product | In-car audio systems |
| Subwoofer Connectivity Technology | Wired |
| Subwoofer Diameter | 20.32 Centimeters |
| Tweeter Diameter | 1 Inches |
| UPC | 793276085269 |
| Unit Count | 1.0 Count |
| Warranty Description | 1-Year Manufacturer Warranty |
| Warranty Type | Limited |
| Wireless Technology | No Wireless Communication Technology |
| Woofer Diameter | 8 Inches |
W**?
CLEAN and NASTY
Has good weight to it. Good clean bass, Fits in the OEM subwoofer spot. Excellent quality and function. Easy to install. High durability with more RMS and PEAK POWER than is needed, but still able to put out clean sound from amp. Replaced the OEM sub in a Ford Bronco while keeping the stock B&O amp. The bass is now amazing and NASTY. Couldn't be more pleased. I did have to add some foam around the plastic panel to stop the plastic from rattling because of the extra power from the speaker. Good value for price too.
D**K
Great sound!
Great bass response! Good price!
P**Y
Nonfunctional.
I was so excited to gift this for my brother. He installed it. It’s only been 2 weeks now and it has “died out”. Nonfunctional. There’s no sound coming out. Maybe they should put “2 week demo” on description.
C**N
Powerful little 8 inch subwoofer
I'm glad with this purchase. I needed something that required very minimal cubic feet of airspace. I made a sealed box that had about 0.23cf of airspace and the bass sounds great. I like that the wiring diagrams are clear and accounts for your different wiring scenarios.
D**N
Game changer
If you have a Tesla with the premium system, do it. The difference it made it's incredible, and that's using the stock amp.
R**.
Good speaker
Speaker was easy to install and sounds good out of the box.
Trustpilot
3 weeks ago
3 days ago