The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.

Up to 199.99 watts (39)

200–399.99 watts (263)

400–799.99 watts (415)

800–1,199.99 watts (154)

1,200–1,999.99 watts (72)

2,000 watts or more (202)

Peak Power Handling

Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.

Up to 299.99 watts (6)

300–499.99 watts (55)

500–799.99 watts (163)

800–1,199.99 watts (189)

1,200–1,599.99 watts (178)

1,600–2,399.99 watts (174)

2,400 watts or more (259)

Series

Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.

Apocalypse Series (21)

W7 Anniversary Edition Series (12)

Prime Series (11)

R2 Series (11)

Solo-Baric L7T Series (11)

Punch P3 Series (10)

Reference Series (10)

Solo-Baric L7S Series (10)

TW3 Shallow Mount Series (9)

Diamond Elite Series (8)

Hippo Series (8)

Level 4 Series (8)

Mille Pro Series (8)

Nightshade (NS) Series (8)

SA Classic Series (8)

W1 v3 Series (8)

XL Series (8)

ZXI Series (8)

Hifonics Elite Series (7)

Hooligan Series (7)

IXS Shallow Series (7)

Level 3 Series (7)

Level 6 Series (7)

SML Series (7)

Solo-Baric L7R Series (7)

SoloXS L7XS Series (5)

Space Series (5)

Stage Series (5)

Terminator Series (5)

Punch P3 Shallow Mount Series (4)

TW5 Shallow Mount Series (4)

Solo-Baric L7 Series (3)

Earthquake DBXI Series (2)

Elite Series (2)

ES Series (2)

Excelon Reference Series (2)

Mille Legend Series (2)

Polk Audio MM1 Series (2)

Stroker Pro Series (2)

XMAXXX Monster Series (2)

Diamond Shallow Series (1)

GT Series (1)

HF Series (1)

JackHammer Series (1)

SPL Monster Series (1)

Tarantula T5 Series (1)

Subwoofer Size

Refers to the diameter of the subwoofer, measured in inches.

Shallow Mount Installation

This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.

No (920)

Yes (205)

Top-Mount Depth (Mounting Depth)

The depth when installed on top of the mounting surface. Measured from the bottom of the speaker's magnet to the bottom of the mounting holes on the rim of the speaker.

Voice Coil(s)

Dual voice coil subs have more wiring flexibility than single voice coils subs; however, single voice coil subwoofers provide easier hookup options for wiring multiple subwoofers in parallel or series. You may also run a dual voice coil (DVC) sub in parallel, series, or combination. A quad voice coil has four voice coils and is equal to two dual voice coil subwoofers as far as wiring goes.

Dual (2 voice coils) (876)

Single (1 voice coil) (266)

Triple (3 voice coils) (4)

Quad (4 voice coils) (1)

Impedance (Per Voice Coil)

The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.

Sort Impedance (Per Voice Coil) alphanumerically

Subwoofer Design

This is the design of the subwoofer or the opening of the subwoofer enclosure. Each design has it's own benefits, whether it is a square, circle, or oval.

Round/Circle: This is the typical and common subwoofer design. They have a round cone and are a circle in design.

Square: These woofers are able to achieve a greater cone area in a smaller space. Because of the greater surface area, some square subwoofers will be louder than a round subwoofer of the same size.

Round (1,086)

Square (61)

Oval (1)

Minimum Sealed Box Volume

This value indicates the minimum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.

Up to 0.99 cubic feet (247)

1–1.99 cubic feet (105)

2 cubic feet or more (18)

Maximum Sealed Box Volume

This value indicates the maximum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.

Up to 0.99 cubic feet (85)

1–1.99 cubic feet (140)

2 cubic feet or more (125)

Sensitivity

An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".

Main Cone Color

This is the color of the speaker's or subwoofer's cone.

Recommended Enclosure Type

This is the recommended type of enclosure that the subwoofer should be installed into. Some subwoofers are specially designed for particular enclosures.

Sealed: These enclosures completely enclose the air inside the box. These boxes produce a tight bass.

Ported/Vented: These enclosures have a slot of air to escape from the box. The result is a sound that has more "boom".

Bandpass: These are a combination of both sealed and ported enclosures. They can be very efficient, but require tuning for the best response.

Bandpass (17)

Ported / Vented (1,044)

Sealed (859)

Xmax (millimeters)

Typically measured in millimeters, the Xmax value is the measure of a speaker cone's maximum excursion in one direction while maintaining a linear behavior.

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On Sale (167)

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Subs and Sub Box Deals (309)

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Condition

Brand New (994)

Like New & Used (156)

Availability

In Stock (872)

Out of stock (131)

In stock. Ships from manufacturer (147)

Available to order (104)

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Sundown Audio M-18 D2 18" (M18D2)

4000W Peak (2000W RMS) 18" M Series Dual 2-ohm Car Subwoofer (SW-MD18D2)

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Sundown Audio M-18 D2 18" (M18D2)

4000W Peak (2000W RMS) 18" M Series Dual 2-ohm Car Subwoofer (SW-MD18D2)

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 2 ohm
• Polypropylene Cone
• High Roll Foam Surround
• Mount depth: 14.05"
• Sensitivity: 86.102 dB

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AudioControl SPK-8S2

500W RMS 8" Spike Series Single 2-ohm High Performance Car Subwoofer

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AudioControl SPK-8S2

500W RMS 8" Spike Series Single 2-ohm High Performance Car Subwoofer

• RMS Power: 500 watts
• Impedance: Single 2 ohm
• Paper Fiber with Mica Coating Cone
• Rubber Surround
• Mount depth: 4.291"
• Sensitivity: 83.38 dB

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JBL Stage 122D (JBLSUBST122DAM)

1000W Peak (250W RMS) 12" Stage Series Dual 4-ohm Car Subwoofer

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JBL Stage 122D (JBLSUBST122DAM)

1000W Peak (250W RMS) 12" Stage Series Dual 4-ohm Car Subwoofer

• Peak Power: 1000 watts
• RMS Power: 250 watts
• Impedance: Dual 4 ohm
• Polypropylene Subwoofer Cone material
• Rubber Subwoofer Surround material
• Mount depth: 6"
• Sensitivity: 91 dB

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Sundown Audio Z-18 v.6 D2 18" (Z18V6D2)

6500W Peak (3250W RMS) 18" Z Series Dual 2-ohm Car Subwoofer (SW-ZV618D2)

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Sundown Audio Z-18 v.6 D2 18" (Z18V6D2)

6500W Peak (3250W RMS) 18" Z Series Dual 2-ohm Car Subwoofer (SW-ZV618D2)

• Peak Power: 6500 watts
• RMS Power: 3250 watts
• Impedance: Dual 2 ohm
• Treated Paper Cone
• Mega Roll V2 Surround
• Mount depth: 14.92"
• Sensitivity: 87.58 dB

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Massive Audio BOA151-N

12000W Peak (6000W RMS) 15" BOA-N Series Dual 1-ohm Car Subwoofer

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Massive Audio BOA151-N

12000W Peak (6000W RMS) 15" BOA-N Series Dual 1-ohm Car Subwoofer

• Peak Power: 12000 watts
• RMS Power: 6000 watts
• Impedance: Dual 1 ohm
• Non-Pressed Paper Cone
• Foam Surround
• Mount depth: 11.93"
• Sensitivity: 92.7 dB

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DC Audio XL18 M4 D1 (M4XL18D1)

4400W Peak (2200W RMS) 18" XL Series M4 Version Dual 1-Ohm Car Subwoofer

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DC Audio XL18 M4 D1 (M4XL18D1)

4400W Peak (2200W RMS) 18" XL Series M4 Version Dual 1-Ohm Car Subwoofer

• Peak Power: 4400 watts
• RMS Power: 2200 watts
• Impedance: Dual 1 ohm
• Non-Pressed Paper cone
• Multi-layered Polymer Foam surround
• Mount depth: 11.25"
• Sensitivity: 91.3 dB

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American Bass King 15" (KING-1511)

15000W Peak (6500W RMS) 15" KING Series Dual 1-ohm Subwoofer

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American Bass King 15" (KING-1511)

15000W Peak (6500W RMS) 15" KING Series Dual 1-ohm Subwoofer

• Peak Power: 15000 watts
• RMS Power: 6500 watts
• Impedance: Dual 1 ohm
• Carbon Fiber Cone
• Foam Surround
• Mount depth: 12.2"
• Sensitivity: 85.2 dB

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-31% $1,456.97

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DC Audio Level 4 18M2D1 (M2LV418D1)

2800W Peak (1400W RMS) 18" Level 4 Series M2 Version Dual 1-Ohm Car Subwoofer

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DC Audio Level 4 18M2D1 (M2LV418D1)

2800W Peak (1400W RMS) 18" Level 4 Series M2 Version Dual 1-Ohm Car Subwoofer

• Peak Power: 2800 watts
• RMS Power: 1400 watts
• Impedance: Dual 1 ohm
• Non-Pressed Paper cone
• Multi-layered Polymer Foam surround
• Mount depth: 9.5"
• Sensitivity: 88.2 dB

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Sundown Audio X-10 v.3 D2 10" (X10V3D2)

5000W Peak (2500W RMS) 10" X Series Dual 2-ohm Car Subwoofer (SW-XV310D2)

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Sundown Audio X-10 v.3 D2 10" (X10V3D2)

5000W Peak (2500W RMS) 10" X Series Dual 2-ohm Car Subwoofer (SW-XV310D2)

• Peak Power: 5000 watts
• RMS Power: 2500 watts
• Impedance: Dual 2 ohm
• Pressed Paper Cone
• Mega Roll V2 Surround
• Mount depth: 9.4"
• Sensitivity: 82.5 dB

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Earthquake Sound TremorX-154

1500W Peak 15" TREMOR-X Series Single 4-ohm Car Subwoofer

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Earthquake Sound TremorX-154

1500W Peak 15" TREMOR-X Series Single 4-ohm Car Subwoofer

• 1500W Peak
• Anti-Wobble Cone Construction
• Turbine Cooled Transducer Technology
• High Current Heavy Duty Stitched Tinsel Leads
• Reinforced Dust Cap
• Military Grade Voice Coil

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Hertz MG 15 BASS

8000W Peak (2000W RMS) 15" SPL Monster Series Dual 1-ohm Car Subwoofer

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Hertz MG 15 BASS

8000W Peak (2000W RMS) 15" SPL Monster Series Dual 1-ohm Car Subwoofer

• Peak Power: 8000 watts
• RMS Power: 2000 watts
• Impedance: Dual 1 ohm
• Water-repellent pressed paper cone
• High-density Foam surround
• Sensitivity: 94 dB

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DC Audio Level 5 18M4D2 (M4LV518D2)

7000W Peak (3500W RMS) 18" Level 5 Series M4 Version Dual 1.4-ohm Car Subwoofer

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DC Audio Level 5 18M4D2 (M4LV518D2)

7000W Peak (3500W RMS) 18" Level 5 Series M4 Version Dual 1.4-ohm Car Subwoofer

• Peak Power: 7000 watts
• RMS Power: 3500 watts
• Impedance: Dual 2 ohm
• Kraft Pulp cone
• Wide Foam surround
• Mount depth: 12.75"

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Sundown Audio U-18 v.2 D2 18" (U18V2D2)

4000W Peak (2000W RMS) 18" U Series Dual 2-ohm Car Subwoofer (SW-UV218D2)

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Sundown Audio U-18 v.2 D2 18" (U18V2D2)

4000W Peak (2000W RMS) 18" U Series Dual 2-ohm Car Subwoofer (SW-UV218D2)

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 2 ohm
• Pressed Paper Cone
• Double-Stitched Surround
• Mount depth: 10"
• Sensitivity: 89.41 dB

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List price $863.99

-17% $719.99

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Cerwin-Vega V12DV2

3600W Peak (1200W RMS) 12" Vega Series Dual 2-ohm Subwoofer

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Cerwin-Vega V12DV2

3600W Peak (1200W RMS) 12" Vega Series Dual 2-ohm Subwoofer

• Peak Power: 3600 watts
• RMS Power: 1200 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Polypropylene Cone
• Santoprene Rubber Surround
• Mount depth: 6.57"
• Sensitivity: 87 dB

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-17% $299.99

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American Bass XD 15" (XD-1522)

2000W Peak (1000W RMS) 15" XD Series Dual 2-ohm Car Subwoofer

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American Bass XD 15" (XD-1522)

2000W Peak (1000W RMS) 15" XD Series Dual 2-ohm Car Subwoofer

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Impedance: Dual 2 ohm
• Kevlar Fiber-Enforced Non-Pressed Paper cone
• Foam surround
• Mount depth: 7.6"
• Sensitivity: 88.2 dB

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-29% $192.35

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Sundown Audio Z-12 v.6 D2 12" (Z12V6D2)

6500W Peak (3250W RMS) 12" Z Series Dual 2-ohm Car Subwoofer (SW-ZV612D2)

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Sundown Audio Z-12 v.6 D2 12" (Z12V6D2)

6500W Peak (3250W RMS) 12" Z Series Dual 2-ohm Car Subwoofer (SW-ZV612D2)

• Peak Power: 6500 watts
• RMS Power: 3250 watts
• Impedance: Dual 2 ohm
• Treated Paper Cone
• Mega Roll V2 Surround
• Mount depth: 11.75"
• Sensitivity: 83.47 dB

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List price $1175.99

-17% $979.99

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Deaf Bonce Apocalypse DB-SA275 D2

3000W Peak (1500W RMS) 15” Apocalypse Series Dual 2-ohm Car Subwoofer

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Deaf Bonce Apocalypse DB-SA275 D2

3000W Peak (1500W RMS) 15” Apocalypse Series Dual 2-ohm Car Subwoofer

• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Pressed Paper Cone
• Foam Surround
• Impedance: Dual 2 ohm
• Mount depth: 7.85"
• Sensitivity: 88.20 dB

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Cerwin Vega SPCL152

2400W Peak (1200W RMS) 15" Stroker Pro Classic Series Single 2-ohm Subwoofer

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Cerwin Vega SPCL152

2400W Peak (1200W RMS) 15" Stroker Pro Classic Series Single 2-ohm Subwoofer

• Peak Power: 2400 watts
• RMS Power: 1200 watts
• Impedance: Single 2 ohm
• Treated Paper cone
• Treated Cloth surround
• Mount depth: 8.15"
• Sensitivity: 93.8 dB

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DC Audio Level 5 15M5D1 (M5LV515D1)

7000W Peak (3500W RMS) 15" Level 5 Series M5 Version Dual 1-ohm Car Subwoofer

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DC Audio Level 5 15M5D1 (M5LV515D1)

7000W Peak (3500W RMS) 15" Level 5 Series M5 Version Dual 1-ohm Car Subwoofer

• Peak Power: 7000 watts
• RMS Power: 3500 watts
• Impedance: Dual 1 ohm
• Kraft Pulp cone
• Wide Foam surround
• Mount depth: 11.75"
• Sensitivity: 89.4 dB

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List price $1334.99

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Massive Audio Hippo H124X

4000W Peak (2000W RMS) 12" Hippo Series Dual 4-ohm Subwoofer

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Massive Audio Hippo H124X

4000W Peak (2000W RMS) 12" Hippo Series Dual 4-ohm Subwoofer

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 4 ohm
• Kevlar fiber reinforced Non-Pressed Paper cone with industrial textured finish
• Tall and narrow Foam surround
• Sensitivity: 87.6 dB

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List price $659.95

-24% $499.99

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FAQ for Universal Subwoofers in 2007 A3

Q: Can I upgrade or change the Universal Subwoofers in 2007 Audi A3?

A: Yes this page includes all the best Universal Subwoofers that work in your A3.

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Universal Subwoofers for 2007 Audi A3

Sundown Audio M-18 D2 18" (M18D2)

Sundown Audio M-18 D2 18" (M18D2)

AudioControl SPK-8S2

AudioControl SPK-8S2

JBL Stage 122D (JBLSUBST122DAM)

JBL Stage 122D (JBLSUBST122DAM)

Sundown Audio Z-18 v.6 D2 18" (Z18V6D2)

Sundown Audio Z-18 v.6 D2 18" (Z18V6D2)

Massive Audio BOA151-N

Massive Audio BOA151-N

DC Audio XL18 M4 D1 (M4XL18D1)

DC Audio XL18 M4 D1 (M4XL18D1)

American Bass King 15" (KING-1511)

American Bass King 15" (KING-1511)

DC Audio Level 4 18M2D1 (M2LV418D1)

DC Audio Level 4 18M2D1 (M2LV418D1)

Sundown Audio X-10 v.3 D2 10" (X10V3D2)

Sundown Audio X-10 v.3 D2 10" (X10V3D2)

Earthquake Sound TremorX-154

Earthquake Sound TremorX-154

Hertz MG 15 BASS

Hertz MG 15 BASS

DC Audio Level 5 18M4D2 (M4LV518D2)

DC Audio Level 5 18M4D2 (M4LV518D2)

Sundown Audio U-18 v.2 D2 18" (U18V2D2)

Sundown Audio U-18 v.2 D2 18" (U18V2D2)

Cerwin-Vega V12DV2

Cerwin-Vega V12DV2

American Bass XD 15" (XD-1522)

American Bass XD 15" (XD-1522)

Sundown Audio Z-12 v.6 D2 12" (Z12V6D2)

Sundown Audio Z-12 v.6 D2 12" (Z12V6D2)

Deaf Bonce Apocalypse DB-SA275 D2

Deaf Bonce Apocalypse DB-SA275 D2

Cerwin Vega SPCL152

Cerwin Vega SPCL152

DC Audio Level 5 15M5D1 (M5LV515D1)

DC Audio Level 5 15M5D1 (M5LV515D1)

Massive Audio Hippo H124X

Massive Audio Hippo H124X

FAQ for Universal Subwoofers in 2007 A3

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