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Description

Sundown Audio SML-10 D2

The Sundown Audio SML-10 D2 is a 10-inch shallow-mount subwoofer engineered to deliver deep, accurate bass in tight installation areas where full-depth subwoofers cannot fit. The dual 2-ohm voice coil (D2) configuration allows wiring at 1 Ω or 4 Ω, making it ideal for maximizing power from modern mono amplifiers. Built with Sundown’s reliable shallow-series technology, it features a vented magnetic gap and pole piece for efficient cooling, a high-temperature copper voice coil, stitched “Mini-XL” tinsel leads, and a reinforced suspension system to maintain output and durability even in small sealed boxes. The SML-10 D2 is perfect for under-seat, behind-seat, or any compact stealth enclosure where space is limited but strong bass is required.


Specifications

SML-10 
T/S Specs
RMS Power (D4)
600
RMS Power (D2)
600
Peak Power (D2)
1200
Peak Power (D4)
1200
RE D2 (Ohms)
3.650
RE D4 (Ohms)
6.850
FS D2 (Hz)
35.210
FS D4 (Hz)
36.116
VAS D2 (L)
23.679
VAS D4 (L)
18.828
Qes D2
0.931
Qes D4
0.469
Qms D2
2.703
Qms D4
2.766
Qts D2
0.341
Qts D4
0.469
Le D4 (mH)
3.7716
BL D2 (NA)
17.431
BL D4 (NA)
21.022
Mms D2 (Grams)
145.749
Mms D4 (Grams)
146.986
Cms D2 (uM/N)
139.003
Cms D4 (uM/N)
145.749
Sens D2 (dB @ 1w/1m)
86.1
Sens D4 (dB @ 1w/1m)
85.8
Xmax D2
14mm
Xmax D4
14mm
Subwoofer Measurements
Product Sku
SML-10 D4
Displacement (Inches)
.04cu ft
Depth (Inches)
3.78
Motor Diameter (Inches)
6.14
Ported Enclosure Specs
Ported Enclosure Size
1.0-1.25 cu ft
Recommended Port Area
26-30 sq in
Recommended Port Tuning
35hz
Sealed Enclosure Specs
Sealed Enclosure Size
0.5-0.75 cu ft
4th Order Enclosure Specs
4th Order Sealed Side
.4cu ft
4th Order Ported Side
1.2cu ft
4th Order Port Area
24sq in
4th Order Port Length
6″

 


Specifications

RE (Ohms) 3.650 6.850
FS (Hz) 35.210 36.116
VAS (L) 23.679 24.828
Qes 0.931 0.469
Qms 2.703 2.766
Qts 0.341 0.401
BL (NA) 17.431 21.022
Mms (Grams) 146.986 133.242
Cms (uM/N) 139.003 145.749
Sens (dB @ 1w/1m) 86.1dB 85.8dB
Xmax 14mm 14mm
T/S SPECS SML 10″ D2 SML 10″ D4

 


Enclosure Specifications
SML 10″ SML 12″
Sealed Enclosure 0.5-0.75 ft^3 0.75-1.0 ft^3
Ported Enclosure 1.0-1.25 ft^3 1.25-1.75 ft^3
Recommended Tuning 35hz 35hz
Recommended Port Area  15 sq in  15 sq in
Mounting Depth 3.78” 4.45”

 


About The Product

The SML series is a revolutionary line of subwoofers offered by Sundown Audio. An inch shallower than our SLD series, it delivers nearly the excursion, making it an ideal choice for customers seeking an extremely shallow driver with deep bass. Designed to fit under or behind your seat, the SML series performs exceptionally well in small enclosures.

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Questions and Answers

Q1: How much power does the SML-10 D2 handle?

A1: It is typically rated around ~400W RMS with higher peak capability, depending on enclosure design.

Q2: What does “D2” mean for this subwoofer?

A2: “D2” means it has dual 2-ohm voice coils, allowing wiring to 1 Ω (parallel) or 4 Ω (series).

Q3: Is the SML-10 D2 good for tight-space installations?

A3: Yes  it is a true shallow-mount subwoofer designed specifically for under-seat, behind-seat, and small sealed enclosures.

Q4: What features improve cooling and reliability?

A4: It includes a vented pole piece, vented gap, high-temp copper coil, stitched tinsel leads, and a reinforced cone/surround structure.

Q5: What enclosure type works best for this model?

A5: It performs best in a small sealed enclosure optimized for shallow drivers, giving tight, controlled bass with minimal space.


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