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 (40)

200–399.99 watts (264)

400–799.99 watts (418)

800–1,199.99 watts (155)

1,200–1,999.99 watts (70)

2,000 watts or more (204)

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 (57)

500–799.99 watts (164)

800–1,199.99 watts (187)

1,200–1,599.99 watts (180)

1,600–2,399.99 watts (173)

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.

Punch Series (38)

W3 v3 Series (26)

Power Series (22)

Apocalypse Series (21)

Solo-Baric L7S Series (13)

U Series (13)

35 Series (12)

Machete Series (12)

TW3 Shallow Mount Series (12)

W7 Anniversary Edition Series (12)

Prime Series (11)

Reference Series (11)

Solo-Baric L7T Series (11)

Nightshade (NS) Series (9)

Power T1 Series (9)

Prime R2 Series (9)

Solo-Baric L7R Series (9)

Diamond Elite Series (8)

Hifonics Elite Series (8)

Hippo Series (8)

Level 4 Series (8)

Mille Pro Series (8)

SA Classic Series (8)

IXS Shallow 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)

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Excelon Reference Series (2)

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Polk Audio MM1 Series (2)

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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 (923)

Yes (208)

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) (880)

Single (1 voice coil) (268)

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 (1,085)

Square (67)

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 (248)

1–1.99 cubic feet (111)

2 cubic feet or more (17)

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 (84)

1–1.99 cubic feet (139)

2 cubic feet or more (133)

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 (1,052)

Sealed (864)

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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Rockford Fosgate Prime R2 R2SD2-12

500W Peak (250W RMS) 12" Prime Series Dual 2-ohm Shallow Car Subwoofer

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Rockford Fosgate Prime R2 R2SD2-12

500W Peak (250W RMS) 12" Prime Series Dual 2-ohm Shallow Car Subwoofer

• Peak Power: 500 watts
• RMS Power: 250 watts
• Impedance: Dual 2 ohm
• Mica Injected Polypropylene - MIPP Cone
• Rubber Surround
• Mount depth: 3.602"
• Sensitivity: 81 dB

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Kicker L7S82 (44L7S82) (Open Box, Great)

900W Peak (450W RMS) 8” Solo-Baric L7S Series Dual 2-ohm Subwoofer

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Kicker L7S82 (44L7S82) (Open Box, Great)

900W Peak (450W RMS) 8” Solo-Baric L7S Series Dual 2-ohm Subwoofer

• Peak Power: 900 watts
• RMS Power: 450 watts
• Impedance: Dual 2 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 4-3/4"
• Sensitivity: 82.37 dB

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• Peak Power: 900 watts
• RMS Power: 450 watts
• Impedance: Dual 2 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 4-3/4"
• Sensitivity: 82.37 dB

Orion HCCA104

8000W Peak (2000W RMS) 10" HCCA Series Dual 4-ohm Competition Car Subwoofer

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Orion HCCA104

8000W Peak (2000W RMS) 10" HCCA Series Dual 4-ohm Competition Car Subwoofer

• Peak Power: 8000 watts
• RMS Power: 2000 watts
• Impedance: Dual 4 ohm
• Moisture and UV-resistant Paper cone
• Nitrile Butadiene Rubber (NBR)-Foam surround
• Mount depth: 8.425"
• Sensitivity: 84 dB

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Alpine S2-W8D2

900W Peak (300W RMS) 8" S-Series Dual 2-ohm Car Subwoofer

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Alpine S2-W8D2

900W Peak (300W RMS) 8" S-Series Dual 2-ohm Car Subwoofer

• Peak Power: 900 watts
• RMS Power: 300 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Polypropylene Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 3.71"
• Sensitivity: 82.6 dB

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Kicker CWQ152 (51CWQ152)

2400W Peak (1200W RMS) 15" CompQ Series Dual 2-ohm Subwoofer

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Kicker CWQ152 (51CWQ152)

2400W Peak (1200W RMS) 15" CompQ Series Dual 2-ohm Subwoofer

• Peak Power: 2400 watts
• RMS Power: 1200 watts
• Impedance: Dual 2 ohm
• SoloKon Polypropylene Cone
• Blue-stitched Santoprene Rubber Surround
• Mount depth: 8-15/1"
• Sensitivity: 88 dB

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Kicker CompR CWR152 (43CWR152) (Open Box, Good)

1600W Peak (800W RMS) 15" Comp R Series Dual 2 ohm Car Subwoofer

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Kicker CompR CWR152 (43CWR152) (Open Box, Good)

1600W Peak (800W RMS) 15" Comp R Series Dual 2 ohm Car Subwoofer

• 800 Watts RMS
• 1600 Watts Max
• All-Polypropylene Cone
• Ribbed Santoprene® Surround
• Stamped Steel Basket
• Spiralead tinsel-lead technology
• Double Stacked Magnet

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• 800 Watts RMS
• 1600 Watts Max
• All-Polypropylene Cone
• Ribbed Santoprene® Surround
• Stamped Steel Basket
• Spiralead tinsel-lead technology
• Double Stacked Magnet

Rockford Fosgate Power T2 T2S2-13

4000W Peak (2000W RMS) 13" Power Series Single 2-ohm Car Subwoofer

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Rockford Fosgate Power T2 T2S2-13

4000W Peak (2000W RMS) 13" Power Series Single 2-ohm Car Subwoofer

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Single 2 ohm
• Glass Fiber Cone
• Injection molded foam Surround
• Mount depth: 9.7"
• Sensitivity: 87 dB

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Kicker Comp 12 (43C124)

300W Peak (150W RMS) 12" Comp Series Single 4-ohm Subwoofer

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Kicker Comp 12 (43C124)

300W Peak (150W RMS) 12" Comp Series Single 4-ohm Subwoofer

• Peak Power: 300 watts
• RMS Power: 150 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Santoprene Rubber Surround
• Mount depth: 5 7/8"
• Sensitivity: 88.3 dB

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Rockford Fosgate Power T1 T1S1-10S

1000W Peak (500W RMS) 10" T1 Slim Series Single 1-ohm Shallow Subwoofer for Sealed Enclosures

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Rockford Fosgate Power T1 T1S1-10S

1000W Peak (500W RMS) 10" T1 Slim Series Single 1-ohm Shallow Subwoofer for Sealed Enclosures

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Single 1 ohm
• Optimized for sealed enclosures
• Carbon Fiber/PMI/Glass Fiber Cone
• Synthetic organic polymer Surround
• Mount depth: 3.01"
• Sensitivity: 82 dB

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Kicker CVX122 (50CVX122) (Open Box, Great)

1500W Peak (750W RMS) 12" CompVX Series Dual 2-ohm Car Subwoofer

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Kicker CVX122 (50CVX122) (Open Box, Great)

1500W Peak (750W RMS) 12" CompVX Series Dual 2-ohm Car Subwoofer

• Peak Power: 1500 watts
• RMS Power: 750 watts
• Impedance: Dual 2 ohm
• Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 6-11/16"
• Sensitivity: 87.1 dB

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• Peak Power: 1500 watts
• RMS Power: 750 watts
• Impedance: Dual 2 ohm
• Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 6-11/16"
• Sensitivity: 87.1 dB

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Rockford Fosgate Punch P2 P2D4-8

500W Peak (250W RMS) 8" Punch Series Dual 4-ohm Car Subwoofer

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Rockford Fosgate Punch P2 P2D4-8

500W Peak (250W RMS) 8" Punch Series Dual 4-ohm Car Subwoofer

• Peak Power: 500 watts
• RMS Power: 250 watts
• Impedance: Dual 4 ohm
• Kevlar Reinforced Pulp Paper Cone
• Rubber Surround
• Mount depth: 4.76"
• Sensitivity: 83 dB

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2026-06-30 23:59:00

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Kicker L7S84 (44L7S84)

900W Peak (450W RMS) 8” Solo-Baric L7S Series Dual 4-ohm Subwoofer

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Kicker L7S84 (44L7S84)

900W Peak (450W RMS) 8” Solo-Baric L7S Series Dual 4-ohm Subwoofer

• Peak Power: 900 watts
• RMS Power: 450 watts
• Impedance: Dual 4 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 4-3/4"
• Sensitivity: 82.37 dB

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2026-06-28 23:59:00

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DC Audio 10" Level 2 (LV210D4) (Open Box, Great)

1200W Max (600W RMS) 10" Level 2 Series Dual 4 ohm Car Subwoofer

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DC Audio 10" Level 2 (LV210D4) (Open Box, Great)

1200W Max (600W RMS) 10" Level 2 Series Dual 4 ohm Car Subwoofer

• 1200 Watts Max
• 600 Watts RMS
• Non-Pressed Paper Cone
• Wide Roll Foam Surround
• Cast Aluminum Black Basket
• Rubber Mounting Gasket Included
• Chrome Spring-Loaded Push Terminals

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• 1200 Watts Max
• 600 Watts RMS
• Non-Pressed Paper Cone
• Wide Roll Foam Surround
• Cast Aluminum Black Basket
• Rubber Mounting Gasket Included
• Chrome Spring-Loaded Push Terminals

Kicker L7X101 (49L7X101)

2000W RMS 10" SoloX Series Dual 1-ohm Subwoofer

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Kicker L7X101 (49L7X101)

2000W RMS 10" SoloX Series Dual 1-ohm Subwoofer

• RMS Power: 1000 - 2000 watts
• Impedance: Dual 1 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 9-7/16"

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• RMS Power: 1000 - 2000 watts
• Impedance: Dual 1 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 9-7/16"

Sundown Audio E12 v.4 D4 12" (E12V4D4)

1500W Peak (750W RMS) 12" E Series Dual 4-ohm Car Subwoofer (SW-EV412D4)

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Sundown Audio E12 v.4 D4 12" (E12V4D4)

1500W Peak (750W RMS) 12" E Series Dual 4-ohm Car Subwoofer (SW-EV412D4)

• Peak Power: 1500 watts
• RMS Power: 750 watts
• Impedance: Dual 4 ohm
• Pressed Paper Cone
• Pressed Foam Surround
• Mount depth: 6.50"
• Sensitivity: 85.3 dB

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Sundown Audio M-18 D1 18" (M18D1)

4000W Peak (2000W RMS) 18" M Series Dual 1-ohm Car Subwoofer (SW-M18D1)

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Sundown Audio M-18 D1 18" (M18D1)

4000W Peak (2000W RMS) 18" M Series Dual 1-ohm Car Subwoofer (SW-M18D1)

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 1 ohm
• Polypropylene Cone
• High Roll Foam Surround
• Mount depth: 14.05"
• Sensitivity: 85.83 dB

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Sundown Audio X-8 v.3 D4 8" (X8V3D4)

800W RMS 8" X Series V3 Dual 2-ohm Car Subwoofer (XV38D4)

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Sundown Audio X-8 v.3 D4 8" (X8V3D4)

800W RMS 8" X Series V3 Dual 2-ohm Car Subwoofer (XV38D4)

• RMS Power: 800 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• FEA optimized spider and surround
• Mount depth: 6.8"
• Sensitivity: 81.8 dB

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• RMS Power: 800 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• FEA optimized spider and surround
• Mount depth: 6.8"
• Sensitivity: 81.8 dB

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Kicker CWCS124 (50CWCS124) (Open Box, Great)

600W Peak (300W RMS) 12" CompC Series Single 4-ohm Car Subwoofer

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Kicker CWCS124 (50CWCS124) (Open Box, Great)

600W Peak (300W RMS) 12" CompC Series Single 4-ohm Car Subwoofer

• Peak Power: 600 watts
• RMS Power: 150-300 watts
• Impedance: Single 4 ohm
• Injection Molded Polypropylene Cone
• Ribbed Polyurethane Surround
• Mount depth: 5-3/4"
• Sensitivity: 87.3 dB

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List price $169.99

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Infinity Kappa 103WDSSI (INFSUBKA103WDSSIAM) (Open Box, Great)

1350W Peak (450W RMS) 10” Kappa Series Single 2-or 4-ohm Car Subwoofer

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Infinity Kappa 103WDSSI (INFSUBKA103WDSSIAM) (Open Box, Great)

1350W Peak (450W RMS) 10” Kappa Series Single 2-or 4-ohm Car Subwoofer

• Peak Power: 1350 watts
• RMS Power: 450 watts
• Impedance: Single 2 or 4 ohm
• Glass Fiber Cone
• Rubber Surround
• Mount depth: 6-1/4"
• Sensitivity: 91 dB

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• Peak Power: 1350 watts
• RMS Power: 450 watts
• Impedance: Single 2 or 4 ohm
• Glass Fiber Cone
• Rubber Surround
• Mount depth: 6-1/4"
• Sensitivity: 91 dB

JL Audio 12W7AE-3

1000W RMS 12" W7AE Series Single 3-ohm Car Subwoofer

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JL Audio 12W7AE-3

1000W RMS 12" W7AE Series Single 3-ohm Car Subwoofer

• RMS Power: 1000 watts
• Impedance: Single 3 ohm
• Polypropylene Cone
• Polyester Foam Surround
• Mount depth: 9.50"
• Sensitivity: 86.2 dB

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FAQ for Universal Subwoofers in 1990 DeVille

Q: Can I upgrade or change the Universal Subwoofers in 1990 Cadillac DeVille?

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

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Universal Subwoofers for 1990 Cadillac DeVille

Rockford Fosgate Prime R2 R2SD2-12

Rockford Fosgate Prime R2 R2SD2-12

Kicker L7S82 (44L7S82) (Open Box, Great)

Kicker L7S82 (44L7S82) (Open Box, Great)

Orion HCCA104

Orion HCCA104

Alpine S2-W8D2

Alpine S2-W8D2

Kicker CWQ152 (51CWQ152)

Kicker CWQ152 (51CWQ152)

Kicker CompR CWR152 (43CWR152) (Open Box, Good)

Kicker CompR CWR152 (43CWR152) (Open Box, Good)

Rockford Fosgate Power T2 T2S2-13

Rockford Fosgate Power T2 T2S2-13

Kicker Comp 12 (43C124)

Kicker Comp 12 (43C124)

Rockford Fosgate Power T1 T1S1-10S

Rockford Fosgate Power T1 T1S1-10S

Kicker CVX122 (50CVX122) (Open Box, Great)

Kicker CVX122 (50CVX122) (Open Box, Great)

Rockford Fosgate Punch P2 P2D4-8

Rockford Fosgate Punch P2 P2D4-8

Kicker L7S84 (44L7S84)

Kicker L7S84 (44L7S84)

DC Audio 10" Level 2 (LV210D4) (Open Box, Great)

DC Audio 10" Level 2 (LV210D4) (Open Box, Great)

Kicker L7X101 (49L7X101)

Kicker L7X101 (49L7X101)

Sundown Audio E12 v.4 D4 12" (E12V4D4)

Sundown Audio E12 v.4 D4 12" (E12V4D4)

Sundown Audio M-18 D1 18" (M18D1)

Sundown Audio M-18 D1 18" (M18D1)

Sundown Audio X-8 v.3 D4 8" (X8V3D4)

Sundown Audio X-8 v.3 D4 8" (X8V3D4)

Kicker CWCS124 (50CWCS124) (Open Box, Great)

Kicker CWCS124 (50CWCS124) (Open Box, Great)

Infinity Kappa 103WDSSI (INFSUBKA103WDSSIAM) (Open Box, Great)

Infinity Kappa 103WDSSI (INFSUBKA103WDSSIAM) (Open Box, Great)

JL Audio 12W7AE-3

JL Audio 12W7AE-3

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