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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Condition

Brand New (994)

Like New & Used (156)

Availability

In Stock (871)

Out of stock (132)

In stock. Ships from manufacturer (147)

Available to order (104)

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DC Audio Level 3 18M3D4 (M3LV318D4)

1800W Peak (900W RMS) 18" Level 3 Series M3 Version Dual 4-ohm Car Subwoofer

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DC Audio Level 3 18M3D4 (M3LV318D4)

1800W Peak (900W RMS) 18" Level 3 Series M3 Version Dual 4-ohm Car Subwoofer

• Peak Power: 1800 watts
• RMS Power: 900 watts
• Impedance: Dual 4 ohm
• Non-Pressed Paper cone
• Multi-layered Polymer Foam surround
• Mount depth: 9.5"
• Sensitivity: 86.48 dB

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DC Audio Level 5 12M4D1 (M4LV512D1)

6000W Peak (3000W RMS) 12" Level 5 Series M4 Version Dual 1 ohm Car Subwoofer

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DC Audio Level 5 12M4D1 (M4LV512D1)

6000W Peak (3000W RMS) 12" Level 5 Series M4 Version Dual 1 ohm Car Subwoofer

• Peak Power: 6000 watts
• RMS Power: 3000 watts
• Impedance: Dual 1 ohm
• Kraft Pulp cone
• Wide Foam surround
• Mount depth: 10.50"

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DC Audio XL15 M4 D2 (M4XL15D2)

4400W Peak (2200W RMS) 15" XL Series M4 Version Dual 2-Ohm Car Subwoofer

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DC Audio XL15 M4 D2 (M4XL15D2)

4400W Peak (2200W RMS) 15" XL Series M4 Version Dual 2-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: 10.25"
• Sensitivity: 89 dB

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DS18 ZXI12.4D

2000W Peak (1000W RMS) 12" ZXI Series Dual 4-ohm Car Subwoofer

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DS18 ZXI12.4D

2000W Peak (1000W RMS) 12" ZXI Series Dual 4-ohm Car Subwoofer

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Non-Pressed Paper Cone
• Foam Surround
• Impedance: Dual 4 ohm
• Mount depth: 7.55"
• Sensitivity: 89.2 dB

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DS18 GEN-XX10.4DHE

1000W Peak (500W RMS) 10" GEN-XX Series Dual 4-ohm High Excursion Subwoofer

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DS18 GEN-XX10.4DHE

1000W Peak (500W RMS) 10" GEN-XX Series Dual 4-ohm High Excursion Subwoofer

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 4 ohm
• Paper Cone
• Foam Surround
• Mount depth: 6.14"
• Sensitivity: 84.6 dB

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DC Audio Level 4 18M2D2 (M2LV418D2)

2800W Peak (1400W RMS) 18" Level 4 Series M2 Version Dual 2-Ohm Car Subwoofer

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DC Audio Level 4 18M2D2 (M2LV418D2)

2800W Peak (1400W RMS) 18" Level 4 Series M2 Version Dual 2-Ohm Car Subwoofer

• Peak Power: 2800 watts
• RMS Power: 1400 watts
• Impedance: Dual 2 ohm
• Non-Pressed Paper cone
• Multi-layered Polymer Foam surround
• Mount depth: 9.5"
• Sensitivity: 88.2 dB

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DC Audio NEO 18 D1.4 (NEO18D1.4)

4400W Peak (2200W RMS) 18" NEO Series Dual 1.4-ohm Tight Gapped Car Subwoofer

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DC Audio NEO 18 D1.4 (NEO18D1.4)

4400W Peak (2200W RMS) 18" NEO Series Dual 1.4-ohm Tight Gapped Car Subwoofer

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 1.4 ohm
• Paper cone
• Multi-layered Polymer Foam surround
• Mount depth: 11"

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$1,224.99

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DC Audio Level 1 10M4D4 (M4LV110D4)

600W Peak (300W RMS) 10" Level 1 Series M4 Version Dual 4-ohm Car Subwoofer

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DC Audio Level 1 10M4D4 (M4LV110D4)

600W Peak (300W RMS) 10" Level 1 Series M4 Version Dual 4-ohm Car Subwoofer

• Peak Power: 600 watts
• RMS Power: 300 watts
• Impedance: Dual 4 ohm
• Paper cone
• Stitched surround
• Mount depth: 6"
• Sensitivity: 84.2 dB

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Kicker CVX152 (50CVX152)

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

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Kicker CVX152 (50CVX152)

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

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Impedance: Dual 2 ohm
• Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 8-1/2"
• Sensitivity: 91.6 dB

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-7% $429.99

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DC Audio NEO 18 D2 (NEO18D2)

4400W Peak (2200W RMS) 18" NEO Series Dual 2-ohm Tight Gapped Car Subwoofer

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DC Audio NEO 18 D2 (NEO18D2)

4400W Peak (2200W RMS) 18" NEO Series Dual 2-ohm Tight Gapped Car Subwoofer

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 2 ohm
• Paper cone
• Multi-layered Polymer Foam surround
• Mount depth: 11"

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List price $1275.00

$1,225.00

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Earthquake Sound SWS-10X

400W Peak (200W RMS) 10" SWS Series Single 4-ohm Shallow Car Subwoofer

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Earthquake Sound SWS-10X

400W Peak (200W RMS) 10" SWS Series Single 4-ohm Shallow Car Subwoofer

• Peak Power: 400 watts
• RMS Power: 200 watts
• Impedance: Single 4 ohm
• Polypropylene inverted cone
• Foam surround
• Mount depth: 2-11/16"
• Sensitivity: 88.2 dB

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DC Audio Level 5 15M5D2 (M5LV515D2)

7000W Peak (3500W RMS) 15" Level 5 Series M5 Version Dual 2-ohm Car Subwoofer

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DC Audio Level 5 15M5D2 (M5LV515D2)

7000W Peak (3500W RMS) 15" Level 5 Series M5 Version Dual 2-ohm Car Subwoofer

• Peak Power: 7000 watts
• RMS Power: 3500 watts
• Impedance: Dual 2 ohm
• Kraft Pulp Cone
• Wide Foam Surround
• Mount depth: 11.75"
• Sensitivity: 89.4 dB

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American Bass XR 10" (XR-1044)

2000W Peak (1000W RMS) 10" XR Series Dual 4-ohm Car Subwoofer

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American Bass XR 10" (XR-1044)

2000W Peak (1000W RMS) 10" XR Series Dual 4-ohm Car Subwoofer

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Impedance: Dual 4 ohm
• Fiberglass-Reinforced Rubber cone
• Rubber surround
• Mount depth: 7.08"
• Sensitivity: 88 dB

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Cerwin-Vega H8DV2

900W Peak (300W RMS) 8" HED Series 2025 Edition Dual 2-ohm Subwoofer

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Cerwin-Vega H8DV2

900W Peak (300W RMS) 8" HED Series 2025 Edition Dual 2-ohm Subwoofer

• Peak Power: 900 watts
• RMS Power: 300 watts
• Reinforced Polypropylene Cone
• Santoprene Rubber Surround

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List price $131.99

-17% $109.99

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Rockford Fosgate Punch P2 P2D2-15

800W Peak (400W RMS) 15" Punch Series Dual 2-ohm Car Subwoofer

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Rockford Fosgate Punch P2 P2D2-15

800W Peak (400W RMS) 15" Punch Series Dual 2-ohm Car Subwoofer

• Peak Power: 800 watts
• RMS Power: 400 watts
• Impedance: Dual 2 ohm
• Kevlar Reinforced Pulp Paper Cone
• Rubber Surround
• Mount depth: 7.34"
• Sensitivity: 86 dB

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2026-06-30 23:59:00

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-12% $229.99

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DC Audio Level 1 12M4D2 (M4LV112D2)

600W Peak (300W RMS) 12" Level 1 Series M4 Version Dual 2-ohm Car Subwoofer

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DC Audio Level 1 12M4D2 (M4LV112D2)

600W Peak (300W RMS) 12" Level 1 Series M4 Version Dual 2-ohm Car Subwoofer

• Peak Power: 600 watts
• RMS Power: 300 watts
• Impedance: Dual 2 ohm
• Paper cone
• Stitched surround
• Mount depth: 6.5"
• Sensitivity: 86.9 dB

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List price $150.00

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Hertz SS 12 D2

2000W Peak (1000W RMS) 12" SPL Show Series Dual 2-ohm Car Subwoofer

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Hertz SS 12 D2

2000W Peak (1000W RMS) 12" SPL Show Series Dual 2-ohm Car Subwoofer

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Impedance: Dual 2 ohm
• Non-Pressed Paper cone
• Multi-layered Polymer Foam surround
• Mount depth: 7.24"

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American Bass King 12" (KING-1222)

15000W Peak (6500W RMS) 12" KING Series Dual 2-ohm Subwoofer

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American Bass King 12" (KING-1222)

15000W Peak (6500W RMS) 12" KING Series Dual 2-ohm Subwoofer

• Peak Power: 15000 watts
• RMS Power: 6500 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Cone
• Foam Surround
• Mount depth: 11.02"
• Sensitivity: 80.7 dB

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List price $1973.40

-29% $1,397.09

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DS18 SRW8.4

300W Peak (150W RMS) 8" SRW Series Single 4-ohm Shallow Subwoofer

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DS18 SRW8.4

300W Peak (150W RMS) 8" SRW Series Single 4-ohm Shallow Subwoofer

• Peak Power: 300 watts
• RMS Power: 150 watts
• Impedance: Single 4 ohm
• Paper Cone Material
• Rubber Surround
• Mount depth: 2.95"
• Sensitivity: 86 dB

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List price $134.99

-17% $111.95

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Polk Audio MM1242 DVC (MM1242DVC)

1260W Peak (420W RMS) 12" MM1 Series Dual 4-ohm Marine Subwoofer

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Polk Audio MM1242 DVC (MM1242DVC)

1260W Peak (420W RMS) 12" MM1 Series Dual 4-ohm Marine Subwoofer

• Peak Power: 1260 watts
• RMS Power: 420 watts
• Impedance: Dual 4 ohm
• Composite Polypropylene Cone - CPPC
• Santoprene Rubber surround
• Mount depth: 4.64"
• Sensitivity: 87 dB

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List price $249.99

-28% $179.00

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FAQ for Universal Subwoofers in 2004 Forenza

Q: Can I upgrade or change the Universal Subwoofers in 2004 Suzuki Forenza?

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Universal Subwoofers for 2004 Suzuki Forenza

DC Audio Level 3 18M3D4 (M3LV318D4)

DC Audio Level 3 18M3D4 (M3LV318D4)

DC Audio Level 5 12M4D1 (M4LV512D1)

DC Audio Level 5 12M4D1 (M4LV512D1)

DC Audio XL15 M4 D2 (M4XL15D2)

DC Audio XL15 M4 D2 (M4XL15D2)

DS18 ZXI12.4D

DS18 ZXI12.4D

DS18 GEN-XX10.4DHE

DS18 GEN-XX10.4DHE

DC Audio Level 4 18M2D2 (M2LV418D2)

DC Audio Level 4 18M2D2 (M2LV418D2)

DC Audio NEO 18 D1.4 (NEO18D1.4)

DC Audio NEO 18 D1.4 (NEO18D1.4)

DC Audio Level 1 10M4D4 (M4LV110D4)

DC Audio Level 1 10M4D4 (M4LV110D4)

Kicker CVX152 (50CVX152)

Kicker CVX152 (50CVX152)

DC Audio NEO 18 D2 (NEO18D2)

DC Audio NEO 18 D2 (NEO18D2)

Earthquake Sound SWS-10X

Earthquake Sound SWS-10X

DC Audio Level 5 15M5D2 (M5LV515D2)

DC Audio Level 5 15M5D2 (M5LV515D2)

American Bass XR 10" (XR-1044)

American Bass XR 10" (XR-1044)

Cerwin-Vega H8DV2

Cerwin-Vega H8DV2

Rockford Fosgate Punch P2 P2D2-15

Rockford Fosgate Punch P2 P2D2-15

DC Audio Level 1 12M4D2 (M4LV112D2)

DC Audio Level 1 12M4D2 (M4LV112D2)

Hertz SS 12 D2

Hertz SS 12 D2

American Bass King 12" (KING-1222)

American Bass King 12" (KING-1222)

DS18 SRW8.4

DS18 SRW8.4

Polk Audio MM1242 DVC (MM1242DVC)

Polk Audio MM1242 DVC (MM1242DVC)

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