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  6. Sundown Audio LCSV212D4_OBG

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Sundown Audio SW-LCSV212D4 (Sold Individually) (Open Box, Great)

1000W Peak (500W RMS) 12" LCS Series Dual 4-ohm Subwoofer

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Sundown Audio
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• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 4 ohm
• Paper cone
• Foam surround
• Sensitivity: 87.4 dB

Learn more about the lcsv212d4_obg

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This item has been discontinued

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Description

Sundown Audio brand icon

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.

Sundown Audio LCS 12 v.2 D4 12" (LCS12V2D4)

1000W Peak (500W RMS) 12" LCS Series Dual 4-ohm Car Subwoofer (SW-LCSV212D4)
Quantity: 1

Product Details:

  • 12" Dual 4 ohm LCS Series Subwoofer
  • Power Handling:
    • Peak: 1000 watts
    • RMS: 500 watts
  • Paper cone
  • Foam surround
  • Optimized for small, ported enclosures
  • Vented coil gap and pole for superior cooling
  • Extra thick stamped steel frame for added structural rigidity
  • High temp 4-layer copper voice coil
  • High-quality push terminals to make installing easier
  • Stitched-on flat tinsel leads for improved durability
  • Extremely low resonant frequency
  • 14 mm Xmax
  • Double Stacked magnet motor structure
  • Resonance Frequency (Fs): 33.442 Hz
  • Sensitivity: 87.4 dB
  • Recommended sealed box volume: 0.5 cubic feet - 1.0 cubic feet
  • Recommended ported box volume: 1.0 cubic feet - 1.75 cubic feet
  • Top-mount depth: 5.63"
  • Cutout diameter: 11.10"
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

    • Priced Individually

Subwoofer Wiring Guide

Wiring Guide to Wire 1 Sundown Audio SW-LCSV212D4 (Sold Individually) (Open Box, Great) Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Sundown Audio SW-LCSV212D4 (Sold Individually) (Open Box, Great) Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Sundown Audio SW-LCSV212D4 (Sold Individually) (Open Box, Great) Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Sundown Audio SW-LCSV212D4 (Sold Individually) (Open Box, Great) Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details

Subwoofer Specifications
Series
LCS Series
Subwoofer Size
12"
Peak Power Handling
1000 watts
RMS Power Handling
500 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
Voice Coil Material
Copper
Voice Coil Diameter
2"
Sensitivity
87.4 dB
Xmax (millimeters)
14 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Paper
Woofer Surround
Foam
Magnet Structure
Double Stacked
Subwoofer Grille
No
Re-Cone Kit Available
No
CTA-2031 Compliant
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Optimum Ported Box Volume
1.75 cubic feet
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
33.442 Hz
Equivalent Compliance (Vas)
52.522 liters
Total Speaker Q Value (Qts)
0.477
Electrical Q Value (Qes)
0.548
Electrical Resistance of Voice Coil (Re)
6.9 ohm
Mechanical Q Value (Qms)
3.684
What is in the box?
WITB: Subwoofers
Subwoofer
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details

Manufacturer:

Sundown Audio

Model Number:

LCSV212D4_OBG

Weight:

13.50lbs

Internal SKU:

lcsv212d4_obg

Internal Product ID:

224941

Customer Ratings & Reviews

Sundown Audio SW-LCSV212D4 (Sold Individually) (Open Box, Great) thumbnail image
3
5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%
Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Photos & Videos

Customer Reviews

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The following review is for SW-LCSV212D4, which is a part of the bundle you are viewing.
By Tito on May 29, 2026 Checkmark Icon Verified purchase
2021 Toyota Tundra

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The following review is for SW-LCSV212D4, which is a part of the bundle you are viewing.
By Jeffrey on February 3, 2026 Checkmark Icon Verified purchase
2009 Dodge Ram 1500

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Bang for your buck

The following review is for SW-LCSV212D4, which is a part of the bundle you are viewing.

Mf hits my first Sundown and definitely not my last currently paired with a Kenwood x502.1

By Elijah on August 1, 2025 Checkmark Icon Verified purchase

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