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Best S W12d4 Deals of Nov 2026

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

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Alpine

Alpine S-W12D4 12" Car Subwoofer S-Series 4-ohm Voice Coils

Cta-2031 specifications: 600wrms, 1800w peak power handling

Alpine s-w12d4 s-series subwoofers

Frequency response: 26hz–200hz

Mounting depth: 5 1/16-inch

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Alpine Type S S-W12D4 12" Sealed Sub Box - Rearfire Subwoofer Enclosure | Loaded single 12 bass package, rear-firing design, tight accurate low end, universal fit for cars and trucks, 12 inch size

Universal Car Stereo Single 12" Alpine Type S S-W12D4 Bundle with Rearfire Sealed Sub Box Enclosure - Final 2 Ohm

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Alpine S-W12D4 12 Inch Subwoofer with Box and S-A60M 1200W Amp | Complete bass package, loaded woofer preinstalled, universal sub enclosure combo, ready to install in cars or trucks

Alpine S2-A60M Car Audio Type S Series Amp Class D Subwoofer 1200W Amplifier

400W RMS x 1 (4 ohm, 14.4V < 1% THD+N)

600W RMS x 1 (2 ohm, 14.4V < 1% THD+N)

Frequency Response: 10Hz-400Hz (+/- 3 dB)

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Alpine Type S-W12D4 12" Vented Loaded Sub Box Enclosure with S-A60M Amp | Complete bass package, ported single subwoofer design, matched power and 4-gauge wiring, ready-to-install combo, 12 inch size

12" 4 Ohm Type-S Series Subwoofer

RMS: 600 watts/ Peak: 1800 watts

Air Space: 1.60 Cubic Feet

Vented Enclosure

Alpine S-Series Mono Power Amplifier

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Alpine S-W12D4 Type S 12 Inch Subwoofer in Loaded Sub Box Enclosure | Universal bass package, works in cars trucks and SUVs, ready for your amplifier, great single-unit daily upgrade

Single 12" Subwoofer Regular Standard Cab Truck Sub Box

Mounting Depth: 5-3/4"

Air Space: 0.80 Cubic Feet

Dimensions: Width 20" x Height 15" x Depth One 5" x Depth Two 7-1/2"

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Single 12" Vented Loaded Sub Box with Alpine S-W12D4 Type S Subwoofer ASC | Deep Low-End Punch, Complete 12 Inch Combo Package for Trunks, Enclosure Ready, Add Your Own Amplifier

Car Audio Single 12" Vented Subwoofer Stereo Sub Box Ported Enclosure 5/8" MDF

Mounting Depth: 15-1/4"

Air Space: 1.60 Cubic Feet

Dimensions: Width 18-1/4" x Height 13-1/4" x Depth 16-1/4"

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Alpine S-W12D4 12" Sub Box S-A60M Amp Kit Fits 2014-2018 Silverado Crew Cab | Loaded Type subwoofer enclosure, 12 inch bass package for your Chevy truck, dual 4 ohm amplifier with 4-gauge wiring

Compatible with 2014 - 2018 Chevy Silverado Crew Cab Alpine Type S S-W12D4 Single 12 Sub Box Enclosure with S-A60M Amplifier & 4GA Amp Kit

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Alpine S-W12D4 Type S 12" Subwoofer in Slot Ported Sub Box 2 Ohm Final | Loaded vented bass enclosure, single 12 inch design for deep low-end, universal fit, wired and ready to play

Universal Car Stereo Slotted S Port Single 12" Alpine Type S S-W12D4 Sub Box Enclosure - Final 2 Ohm

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Alpine

Alpine S-W12D4 Car Audio Type S Dual 4 Ohm 1200 Watt 12" Subwoofers with Sub Install Kit Package

Alpine S-W12D4 Car Audio Type S Dual 4 Ohm 1200W 12" Subwoofer Pair with Install Kit

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Harmony Audio

Alpine S-W12D4 Single 12" Sub Box with HA-A800.1 Amp Fits GMC Envoy 02-09 | Harmony Audio amplifier and subwoofer combo, 4 Gauge wiring kit, custom SUV enclosure, deep bass upgrade, 12 inch size

Compatible with 2002-2009 GMC Envoy SUV Alpine Bundle Type S S-W12D4 Single 12" Custom Sub Box Enclosure with Harmony HA-A800.1 Amplifier & 4GA Amp Kit

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Our #1 Pick Today

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Alpine

Alpine S-W12D4 12" Car Subwoofer S-Series 4-ohm Voice Coils

Cta-2031 specifications: 600wrms, 1800w peak power handling

Alpine s-w12d4 s-series subwoofers

Frequency response: 26hz–200hz

Mounting depth: 5 1/16-inch

Details & specs

Compare

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 S W12d4 deals are available from: Amazon, starting from $208.95.

The lowest price we found is $208.95 while the highest is $539.90. Prices for the best S W12d4 deals average at $363.84.

Compare prices across stores, find real deals, and get an email when the products you want drop in price.

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