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🎶 Small Size, Massive Vibes: Elevate your ride’s bass game with Alpine’s powerhouse subwoofer!
The Alpine S2-W8D4 is a compact 8-inch dual 4-ohm subwoofer delivering 300W RMS and 900W peak power. Engineered with a carbon fiber and polypropylene cone, it produces deep, distortion-free bass across a wide frequency range (23Hz-215Hz). Designed for easy installation with dual voice coils and a twist-lock grille, it perfectly complements Alpine’s S-Series amplifiers for customizable, high-impact car audio performance.









| 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 | #190,691 in Electronics ( See Top 100 in Electronics ) #323 in Home Audio Subwoofers #949 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 | 4.4 out of 5 stars 10 Reviews |
| Enclosure Material | polypropylene |
| Frequency Response | 20 KHz |
| Impedance | 4 ohm |
| 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 |
| 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 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!
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.
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.
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.
E**S
Blew in less than a day.
I was told nothing but good things about Alpine when trying to decide who to build my sound system with, and so I had high hopes for this subwoofer , unfortunately, in less than 2 hours of me having it in and running, the sub blew. It was paired with the Alpine MRV-M500 mono amp, and the Recoil RCK46 4AWG Wiring kit, And i had it installed by a very well known audio specialist in my area. He confirmed that everything was gonna be compatible with each other before installing. the amplifier was even set on the lower end for safety and it’s still managed to blow. I am extremely disappointed.
Trustpilot
1 month ago
2 weeks ago