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  6. Sundown Audio LCSV212D4_OBN

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

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

3
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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_obn

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This item has been discontinued

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Description

Sundown Audio brand icon

Authorized dealer

Item Condition - Like New (Open Box):

This product works and looks like new. It may have been opened for a visual demo or product video. In some cases there may be signs of an attempt at installation like opened packaging or mounting screw holes used, but there is no real sign of use or wear. Includes all original parts, packaging and accessories (or suitable replacement)

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, Like New) Subwoofer

Mono Amp

2 Channel Amp - Bridged

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

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Sundown Audio SW-LCSV212D4 (Sold Individually) (Open Box, Like New) 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_OBN

Weight:

13.50lbs

Internal SKU:

lcsv212d4_obn

Internal Product ID:

224892

Customer Ratings & Reviews

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