Alpine S2-W8D4 S Series 8" 500W RMS (1000W Power Peak Handling) 4 Ohms, Dual Voice Coil Component Car Subwoofer
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What's Inside?
- • (1) 8" Dual 4-ohm voice coil subwoofer
- • Trim ring (installed)
- • (2) 3" jumper cables (each has a single banana connector on each end)
- • Subwoofer Application Guide (English/ French)
- • On-line product registration information (English/ French/ Spanish)
- • Warranty information (English/ French)
- • Important Notice! (English/ French)
- • Owner's Manual
Why Choose Alpine S2-W8D4 Component Car Subwoofer?
Create Great Bass
To create great bass, you need the best in materials and engineering. Alpine's S-Series subwoofers apply technology from their higher end subs to bring you the depth and punch that'll make your tunes come alive.
And to make things even better, these subs are about an inch shallower than their predecessors, making them great candidates for locations where regular high-power subs won't fit.
High Amplitude Multi-roll
The S-W8D4 8" subwoofer can handle up to 300 watts RMS, so you can drive it hard without any worries. The tough Kevlar® treated cone stays rigid under pressure, while its rubber High Amplitude Multi-Roll (HAMR) surround enables maximum excursion for impressive performance.
Its dual 4-ohm voice coils allow for extra wiring flexibility, which helps if you plan on adding another subwoofer down the line. Also, it rocks in both sealed and ported boxes, so you can choose an enclosure that suits your tastes.
Compact Footprint, Relentless Lows
Alpine loaded this little monster with their legendary High-Amplitude Multi-Roll (H.A.M.R.) rubber surround and a hyper-rigid carbon fiber/polypropylene cone topped with a ceramic dust cap, completely neutralizing muddy distortion so your music stays razor-sharp from 35Hz up to 215Hz.
System tuning has never been easier thanks to clever built-in configuration jumpers that let you effortlessly flick between a 2-ohm or 8-ohm load, while the heavy-duty push-type terminals comfortably swallow up to thick 8AWG wire for unrestricted, high-current power flow from your amp.
Frequently Asked Questions (FAQ)
- • Is an 8-inch subwoofer enough to noticeably improve my car's bass?
Yes, an 8-inch subwoofer can deliver clean, punchy bass while requiring much less installation space than larger models. It is a great option for drivers who want improved low-frequency performance without sacrificing valuable cargo space.
- • Why does the sound weak even though my amplifier is working?
Weak bass is commonly caused by incorrect gain settings, crossover adjustments, or an enclosure that does not match the recommended specifications. Proper amplifier tuning and enclosure design usually produce a dramatic improvement in bass output.
- • Can I wire the dual 4-ohm voice coils for different amplifier loads?
Yes, the dual voice coil design supports multiple wiring configurations depending on your amplifier's impedance requirements. Following the recommended wiring diagram helps maximize both performance and equipment safety.
- • Why does my amplifier keep going into protection mode?
This is often caused by incorrect speaker wiring, low impedance, overheating, or poor power and ground connections. Checking the wiring configuration and ensuring proper amplifier ventilation usually resolves the issue.
- • What size amplifier should I use with this?
Using an amplifier whose RMS output closely matches the subwoofer's recommended power rating provides the best balance of performance and reliability. A properly matched amplifier also reduces the chances of distortion or premature speaker damage.
- • Why does the bass become distorted when I increase the volume?
Distortion is usually the result of amplifier clipping, excessive bass boost, or incorrect crossover settings. Lowering the gain and properly tuning the amplifier generally restores clean and controlled bass reproduction.
- • Can I install two of these subwoofers in the same enclosure?
Yes, many users install a pair to achieve greater bass output and more even low-frequency response. Just be sure the enclosure volume and amplifier are properly matched for the combined system.
- • What is the maximum thickness of speaker wire that the terminals can support?
The heavy-duty push-type speaker terminals integrated onto the frame can accept wire sizes up to 8 AWG. Using premium thick gauge wire ensures a high-fidelity connection and maximum signal transfer from your amplifier stage.
- • Why do I hear rattling inside my vehicle after adding this subwoofer?
The stronger bass output can cause loose trim panels, license plates, or interior components to vibrate. Installing sound-deadening material and tightening loose parts can significantly reduce unwanted rattles.
- • Why did the speaker stop working after upgrading to a 600-watt RMS amplifier?
The unit is strictly rated to handle a maximum continuous power threshold of 300W RMS. Sending double its recommended continuous power can melt or warp the internal dual voice coils, causing permanent mechanical failure.
- Diameter : 8 Inch
- Sensitivity : 82.7 dB
- Impedance : 4 Ohm
- Frequency Response : 35-215 Hz
- Peak Power Handling : 900 Watts
- RMS Power Handling : 300 Watts
Features:
- Dual Voice Coil (DVC) Subwoofers with Configuration Jumpers: Easily switch between 2-ohm and 8-ohm setups for flexible system configuration.
- Carbon Fiber / Polypropylene Cone: Lightweight yet durable design ensures responsive and accurate bass reproduction.
- Polypropylene / Ceramic Dust Cap: Adds rigidity to the cone for reduced distortion and improved clarity.
- High-Grade Strontium Ferrite Magnets: Delivers powerful motor strength for deep, dynamic low-end performance.
- Twist-Lock Grille Mount System: Allows for quick installation of optional Alpine grilles for protection and style.
- High-Amplitude Multi-Roll (H.A.M.R.) Surround: Enables long cone excursion and clean, powerful bass output.
- Push-Type Speaker Terminals (Up to 8AWG Wire Size): Simplifies wiring and supports heavy-gauge speaker cables for optimal current flow.
Specifications:
- Size: 8-inch
- Impedance (Ohms): 2, 8
- Cone Material: Carbon Fiber / Polypropylene
- Surround Material: Rubber
- Basket Material: Steel
- Grille: None included
- Free-Air: No
- Dual Voice Coil: Yes
- Sensitivity: 82.7 dB at 1 watt
- Frequency Response: 35 – 215 Hz
- Max RMS Power Handling: 300 watts
- Peak Power Handling (Watts): 900 watts
- Top Mount Depth (inches): 3 7/8
- Bottom Mount Depth (inches): N/A
- Cutout Diameter or Length (inches): 6 7/8
- Frame Width: 8.268
- Frame Length: 8.268
- Vas (liters): 7.5
- Fs (Hz): 47.9
- Qts: 0.64
- Xmax (millimeters): 10
- UPC: 793276085269
- Weight: 14.6
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.
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No doubt about it, this baby pack more punch than the stock sub that is said to be "premium". It's like a whole new level of power and sound!
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Yeah! Can't wait to have it wired up in my Yukon. Arrived on time and packaging is great. Will have to hear how it sounds and post another review
