Alpine RS-W12D4 R-Series 12" 600W RMS (1800W Peak Power Handling) Dual 4 Ohm Voice Coil Car Subwoofer
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What's Inside?
- • 12" Dual 4-Ohm Voice Coil Shallow Mount Subwoofer
- • Plastic Trim Ring
- • (2) 18" Jumper Wires (12-gauge)
- • 2.5mm Hex Key
- • Application guide (English/ French)
- • On-line product registration information
- • Warranty information (English/ French)
- • Important Notice (English/ French)
- • Owner's Manual
Why Choose Alpine RS-W12D4 Component Car Subwoofer?
Massive Bass in a Minimal Space
Get deep, powerful bass from an ultra-shallow design that fits tight spaces without sacrificing performance—featuring up to 600W RMS output, 20mm of cone excursion, and a 4-inch oversized voice coil with a neodymium magnet for unmatched control and impact.
Precision Bass and Powerful Delivery
Experience tight, accurate bass with Gen2 DD-Linear Magnetic Circuit technology for low distortion and high precision, while a rigid aluminum dust cap ensures fast response and clean, hard-hitting bass projection.
Built to Last and Protected to Perform
Designed for durability, the die-cast aluminum frame delivers long-lasting strength, while the optional 12" grille kit (KTE-RS12G, sold separately) adds tough steel mesh protection to keep your subwoofer safe and sound.
See What You’re Getting
Frequently Asked Questions (FAQ)
- • How do I wire the dual 4-ohm voice coils for the best performance?
You can wire the voice coils in series or parallel depending on your amplifier's supported impedance. Always verify the final load before connecting the amplifier.
- • Can this subwoofer play deep bass without sacrificing sound quality?
Yes, it is designed to deliver both powerful low-frequency output and excellent sound quality. The right enclosure and proper tuning are essential for the best results.
- • Why does my subwoofer sound louder after a few days of use?
This is a normal result of the suspension loosening during the break-in period. Many users notice smoother and deeper bass after several hours of playback.
- • Can I install this in a ported enclosure for more output?
Yes, a properly designed ported enclosure can produce greater bass output than a sealed box. Follow Alpine's recommended enclosure specifications for the best performance.
- • Why does the bass disappear when I sit in the driver's seat?
Vehicle acoustics can create bass cancellation at certain seating positions. Adjusting the enclosure placement or phase settings often improves bass response.
- • Is this a good option for high-powered daily systems?
Yes, it is built to handle demanding daily listening when paired with a properly matched amplifier. Correct tuning helps maintain reliability while delivering impressive bass.
- • Why do I hear a scratching noise during heavy bass?
A scratching sound may indicate over-excursion, amplifier clipping, or a damaged voice coil. Reduce the volume immediately and inspect the system before continued use.
- • Can I build a custom enclosure instead of buying a prefab box?
Yes, many enthusiasts build custom enclosures to maximize performance and fit their vehicle. Just make sure the internal volume and port dimensions meet Alpine's recommendations.
- • Why does the subwoofer seem to struggle with very low notes?
This is usually caused by an enclosure that isn't optimized for deep bass or by incorrect amplifier settings. A properly designed enclosure and careful tuning will improve low-frequency extension.
- • What's the best way to keep the subwoofer performing like new?
Avoid amplifier clipping, use the recommended enclosure, and keep all wiring secure. Regularly checking your system settings will help maintain clean bass and long-term reliability.
- Sensitivity : 81 dB
- Depth : 12 Inch
- Impedance : 4 Ohm
- Frequency Response : 26-200 Hz
- Peak Power Handling : 1800 Watts
- Shallow Mount : Yes Inch
- Number of Voice Coils : Dual
- RMS Power Handling : 600 Watts
Features:
- Ultra-Shallow Design: Big bass performance in a compact form—perfect for vehicles with limited space.
- Extreme Output Power: Delivers up to 600W RMS with 20mm of cone excursion for deep, powerful bass.
- Oversized Voice Coil: Equipped with a 4-inch voice coil and neodymium magnet for maximum control and output.
- Precise Bass Control: Gen2 DD-Linear Magnetic Circuit technology ensures low distortion and tight, accurate bass.
- Hard-Hitting Projection: Rigid aluminum dust cap provides fast response and clean bass projection.
- Rugged Build Quality: Die-cast aluminum frame offers durability and strength for long-lasting performance.
- Optional Grille Protection: Available 12" grille kit (KTE-RS12G, sold separately) shields your subwoofer with tough steel mesh.
Specifications:
- 12” High-Performance Shallow Bass Driver
- Alpine Gen2 DD Linear Magnetic Circuit
- Cast Aluminum Frame
- Aluminum Dust Cap
- Neodymium Magnet
- 4″ High Temperature Voice Coil
- Heavy-gauge Screw Terminals
- Compatible with KTE-RS12G Subwoofer Grille
- RMS Power Handling: 600W
- Peak Power Handling: 1800W
- X-Max: 20mm
- Nominal Impedance: 4ohms+4ohms
- Frequency Response: 26Hz-200Hz
- Sensitivity: (1W/1M): 81dB
- Voice Coil: 4″ (102mm)
- Mounting Dimensions: 295mm diameter x 81.7mm depth
- UPC: 793276084514
- Weight: 15
- 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.
