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Description

Sundown Audio LCS v.2

Sundown Audio LCS v.2 is a high-performance 12″ car audio subwoofer engineered to deliver deep, powerful, and controlled bass with excellent reliability. The v.2 update features a custom-tooled frame, robust rubber mounting gasket, push terminals, and upgraded stitched tinsel leads for durability and improved cooling. With a dual 4‑ohm voice coil design and 14 mm Xmax, it provides strong linear excursion for impactful low-end response, performing exceptionally in small to medium sealed or ported enclosures. This subwoofer is ideal for car audio enthusiasts seeking high-quality bass without sacrificing reliability or enclosure flexibility.


Specifications

T/S Specs
RMS Power (D4)
500
RMS Power (D1)
500
Peak Power (D1)
1000
Peak Power (D4)
1000
RE D1 (Ohms)
7.1891
RE D4 (Ohms)
6.9
FS D1 (Hz)
34.84
FS D4 (Hz)
33.442
VAS D1 (L)
46.25
VAS D4 (L)
48.7754
Qes D1
0.5668
Qes D4
0.5731
Qms D1
5.3309
Qms D4
5.4179
Qts D1
0.5124
Qts D4
0.5183
Le D1 (mH)
4.9056
Le D4 (mH)
4.8307
BL D1 (NA)
19.287
BL D4 (NA)
19.4373
Mms D1 (Grams)
133.9553
Mms D4 (Grams)
154.5741
Cms D1 (uM/N)
155.7102
Cms D4 (uM/N)
164.1827
Sens D1 (dB @ 1w/1m)
87.4
Sens D4 (dB @ 1w/1m)
86.0346
Xmax D1
14mm
Xmax D4
14mm
Subwoofer Measurements
Displacement (Inches)
.07cu ft
Displacement (Inches)
.05cu ft
Depth (Inches)
5.250″
Outside Diameter (Inches)
12.27
Cutout (Inches)
9.375″
Cutout (Inches)
11.12″
Motor Diameter (Inches)
5.74
Motor Diameter (Inches)
5.74
Ported Enclosure Specs
Ported Enclosure Size
1.0 cu ft
Ported Enclosure Size
1.75 cu ft
Recommended Port Area
26 sq in
Recommended Port Area
26 sq in
Recommended Port Tuning
35hz
Sealed Enclosure Specs
Sealed Enclosure Size
.5 cu ft
Sealed Enclosure Size
1.0 cu ft
4th Order Enclosure Specs
4th Order Sealed Side
.4cu ft
4th Order Sealed Side
.75cu ft
4th Order Ported Side
1.2cu ft
4th Order Ported Side
2.25cu ft
4th Order Port Area
24sq in
4th Order Port Area
45sq in
4th Order Port Length
6″
4th Order Port Length
6″

 


LCS V.2 10″ / 12″

T/S SPECS LCS V.2 10″D4 LCS V.2 12″D4
RE (Ohms) 7.140 6.9
FS (Hz) 34.642 33.442
VAS (L) 27.182 52.522
Qes 0.500 0.548
Qms 3.377 3.684
Qts 0.436 0.477
Le (mH) coming soon… 3.15
BL (NA) 19.313 20.073
Mms (Grams) 120.124 152.328
Cms (uM/N) 175.713 14.869
Sens (dB @ 1w/1m) 85.4 87.4
Xmax 14mm 14mm

 


About The Product

Sundown LCS woofers are known for their impressive bass response and high dependability. Typical entry-level woofers are limited in terms of excursion, mechanical ruggedness, and thermal performance. The v.2 update added an all-new, custom-tooled frame, push terminals, a rubber mounting gasket, and upgraded tinsel leads. 

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Questions and Answers

Q1: What power can the LCS v.2 12″ subwoofer handle?
A1:
• RMS (continuous) Power: 500 W
• Peak Power: 1000 W
Q2: What is the voice coil configuration and impedance?
A2: It features a dual 4‑ohm voice coil, allowing flexible wiring options for different system configurations.
Q3: What features improve durability and cooling?
A3: The LCS v.2 includes a custom-tooled frame, push terminals, a rubber mounting gasket, stitched tinsel leads, and a vented gap to maintain optimal cooling and reliability.
Q4: What is the subwoofer’s excursion and low-end performance?
A4: With a 14 mm one-way Xmax, the subwoofer provides strong linear excursion, producing deep, clean, and controlled bass even at high power.
Q5: What enclosure types are recommended?
A5: Best performance is achieved in small ported or sealed enclosures tuned near ~35 Hz, optimizing deep bass output and excursion control.

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