Best R W12d4 Deals of Nov 2026

Updated November 10, 2026Our site contains affiliate links for which we may be compensated.
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Alpine

15% Off

Alpine RS-W12D4 12-inch R-Series Shallow Subwoofer with Dual 4-Ohm Voice Coils

Alpine's RS-W12D4 12-inch R-Series Shallow Subwoofer with Dual 4-Ohm Voice Coils. With an ultra-shallow subwoofer design and powerful sound output, the R-Series Shallow Subwoofers give you the best of both worlds in size and sound.
A lightweight yet rigid aluminum dust cap allows the R-Series Shallow Subwoofer to transition sound quickly with minimal distortion and project the bass off the surface of the speaker for hard-hitting yet smooth bass performance.
Alpine’s Gen2 DD-Linear Magnetic Circuit technology, a compact and efficient dual-gap voice coil structure, allows for better control over the motor, resulting in lower distortion and precise bass control.
Don’t let the size fool you – the R-Series Shallow Subwoofers feature the same motor movement (20MM of excursion) as the full-size R2-Series Subwoofers for extreme output in a shallow woofer design.
At the heart of the R-Series Shallow Subwoofers is an oversized 4-inch voice coil that houses the lightweight and powerful neodymium magnet for 600W RMS of power handling.
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Alpine

Alpine 2 R2-W12D4 Next-Generation 12" R-Series Subwoofers with Dual 4-Ohm Voice Coils

Bundle Includes: Two Alpine R2-W12D4 12" R-Series "R2" Subwoofer, Dual 4-Ohm, 750 Watt RMS, one Creative Audio Coozy, and one 4-piece set of plastic pry tools
The next generation of sound performance is here with the new R-Series subwoofers featuring a larger motor structure for more accurate and authoritative bass.
New Motor Structure – The new R-Series subwoofers now feature larger, double-stacked magnets that contribute more motor force for deeper bass and tighter bass control compared to the previous generation.
Oversized Dust Cap – The new hybrid poly ceramic composite dust cap ensures rigidity while also providing incredible internal damping (vibration absorption) to smooth out the bass response and reproduce tight bass.
Increased Accuracy – Alpine’s High Amplitude Multi-Roll (HAMR) Surround Technology allows the cone to efficiently move air while staying cool resulting in incredible accuracy from the subwoofer.
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Alpine

Alpine R2-W12D4 R Series 12 Dual 4-Ohm Subwoofer with SoundBox E Series Single 12-Inch Vented Subwoofer Enclosure Bundle

High-Powered Bass Performance – The Alpine R2-W12D4 12" R-Series Subwoofer delivers 750W RMS and 2250W Peak power, providing deep, powerful, and precise bass that enhances your car audio experience.
Advanced Motor Structure for Superior Sound – Featuring larger, double-stacked magnets, this subwoofer generates more motor force, ensuring deeper bass and tighter control compared to previous models.
Precision-Tuned Vented Enclosure – The SoundBox E Series 12" Vented Subwoofer Enclosure optimizes airflow and bass response, delivering punchier and more dynamic low-end frequencies for an immersive listening experience.
Improved Accuracy & Low Distortion – The oversized hybrid poly ceramic composite dust cap enhances rigidity and damping, while the High Amplitude Multi-Roll (HAMR) Surround Technology ensures efficient air movement and cooling, resulting in clean, distortion-free bass.
Versatile Installation Options – The Alpine R2-W12D4 subwoofer is designed for both sealed and vented enclosures, ensuring optimal performance and flexibility to suit different sound preferences and vehicle setups.
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Alpine

Alpine RS-W12D4 R Series 12 Dual 4-Ohm Shallow Subwoofer 600 Watts KTE-RS12G 12-Inche Grille for R Series Shallow Subwoofers Bundle

Compact Yet Powerful Bass: The Alpine RS-W12D4 12" R-Series Shallow Subwoofer delivers deep, precise bass performance in a slim design, making it ideal for vehicles with limited space.
Next-Gen Audio Technology: Alpine’s Gen2 DD-Linear Magnetic Circuit technology and dual-gap voice coil structure ensure lower distortion, precise bass control, and optimized motor movement.
Extreme Output & Efficiency: Despite its shallow profile, this subwoofer features an oversized 4-inch voice coil and a lightweight neodymium magnet, delivering 600W RMS power handling with 20mm excursion for extreme bass output.
Durable Subwoofer Protection: The Alpine KTE-RS12G Grille provides rugged protection with its powder-coated metal mesh design, ensuring your subwoofer stays safe from potential damage.
Seamless Installation & Premium Build: Featuring a die-cast aluminum frame for enhanced durability, the RS-W12D4 subwoofer pairs effortlessly with the KTE-RS12G grille’s snap-secure rubber screw cover for a sleek, professional look and hassle-free installation.
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Our #1 Pick Today
Disclaimer: While we make every effort to ensure accuracy, we cannot guarantee that all product specifications, pricing, discounts, and details are complete or error-free. Because information is subject to change, we recommend verifying all details directly with the retailer prior to making a purchase. As an Amazon Associate, we earn from qualifying purchases.

10 R W12d4 deals are available from: Amazon, starting from $319.95.

The biggest discount we found is 15% on Alpine RS-W12D4 12-inch R-Series Shallow Subwoofer with Dual 4-Ohm Voice Coils (RS-W12D4) at Amazon.

The lowest price we found is $319.95 while the highest is $854.90. Prices for the best R W12d4 deals average at $556.95.