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1977 Cadillac DeVille

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Universal gear includes car amplifiers, subs, and other products that do not install in a specific location or require fitment to integrate with a vehicle.

Overview Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Independance Day Sale

Universal-Fit Audio for 1977 Cadillac DeVille

When thinking of universal gear, we consider products like a car amp that gives more power to your speakers or subs, cell phone chargers, equalizers and sound processors, rear-seat entertainment and video monitors, as well as dash cameras.

Better sound with your factory radio

Better sound with a factory radio

Love your factory look or can't replace the stereo? We got you covered.

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Product Type
Subwoofers,
Subwoofers (1,124)
Amplifiers (926)
Subwoofers with a box (776)
Amplifiers with a wiring kit (436)
RCA cables and accessories (265)
Subwoofer enclosures (210)
Subwoofers with an amplifier and box (188)
Lighting accessories (175)
Subwoofer grilles (162)
Tweeters (Pro and special-fit) (150)
Amplifier wiring kits (139)
Speaker clamps and brackets (138)
Batteries (129)
Power and ground wire (129)
Fuses (123)
Backup cameras (119)
Speaker grilles (117)
Sound damping (106)
Subwoofers with an amplifier (101)
Alarm remote transmitters (96)
Handlebar and bar-mount speakers (94)
Line-out converters (90)
Fuse holders (80)
Speaker wire (72)
Replacement antennas (62)
Ring terminals (62)
Distribution blocks (58)
Light bars (58)
Connectors (54)
Speaker enclosures (51)
Speaker spacers and rings (50)
Bass remotes (49)
Bluetooth adapters and transmitters (49)
Cables and interconnects (48)
Speaker baffles (44)
Dash cameras (42)
Trim rings and universal mounts (38)
Sound processors (37)
Alarms (34)
Stereo remote controls (33)
Recone kits (31)
Rocker and Button switches (31)
Circuit breakers (30)
Primary/Remote wire (29)
Battery terminals (28)
Battery isolators and relays (26)
Exterior lighting (26)
Audio test equipment (25)
Installation accessories (25)
Trigger output and bypass modules (24)
Alarm accessories (23)
Antenna extension cables (23)
Split loom and heat shrink (22)
Capacitors (20)
Diodes and resistors (20)
Knockout panels (18)
Equalizers (16)
Noise filters (14)
Terminal cups (14)
Battery terminal posts (13)
Rearview monitor and mirrors (13)
Adapters (12)
Radar and laser detectors (11)
Speaker diaphragms (10)
Video adapters and switchers (10)
Headlight bulbs (9)
Bass booster enhancers and processors (8)
Battery chargers (8)
Power inverters (8)
2-way and CB radios (7)
Amplifier mounting hardware (7)
Panel and clip removal tools (7)
Tweeters (7)
Voltmeters (7)
Blindspot cameras and sensors (6)
Carpet (6)
Gauge adapters (6)
Grommets and firewall bushings (6)
Headlights (6)
Passive crossovers (6)
Sensors (6)
Box ports (5)
Knockout panel mount hardware (5)
Line drivers (5)
Power supplies (5)
Steering wheel adapters (5)
Active Crossovers (4)
Bass Blockers (4)
Big 3 upgrade kits (4)
License plates and frames (4)
Parking sensors (4)
Amplifier cooling fans (3)
Door panel clips (3)
Subwoofer (3)
Door actuators and poppers (2)
In-motion video/navigation bypass (2)
Radar detector mounts (2)
Rearview mirror mounts (2)
Video amplifiers (2)
Alarms with remote start (1)
Backup batteries (1)
Cable management (1)
Connector sets (1)
FM modulators and transmitters (1)
Multi-camera and DVR systems (1)
Overhead monitors (1)
Remote mount media players (1)
Price Range
RMS Power Handling
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.
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.
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 (25)
Power Series (22)
SoloX Series (21)
CompRT Series (20)
Apocalypse Series (19)
CompC Series (19)
S Series (18)
VC Series (18)
Z Series (18)
CompR Series (17)
VEGA Series (17)
VMAX Series (17)
Y-Series (17)
E-Series (16)
SA Series (16)
X Series (16)
HED Series (15)
NEO Series (14)
CompVX Series (13)
35 Series (12)
CompQ Series (12)
CompVR Series (12)
Level 5 Series (12)
Machete Series (12)
R2 Series (12)
U Series (12)
W7 Anniversary Edition Series (12)
Prime Series (11)
Solo-Baric L7S Series (11)
Solo-Baric L7T Series (11)
Punch P3 Series (10)
EXL Series (9)
HD Series (9)
M Series (9)
N-Series (9)
Power T1 Series (9)
Prime R2 Series (9)
Reference Series (9)
Solo-Baric L7R Series (9)
TW3 Shallow Mount Series (9)
ZR Series (9)
55 Series (8)
CompVT Series (8)
Diamond Elite Series (8)
IXS Shallow Series (8)
Level 3 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)
A Series (7)
Comp Series (7)
Hifonics Elite Series (7)
Hippo Series (7)
Hooligan Series (7)
Level 6 Series (7)
SML Series (7)
SRW Series (7)
EPICX Series (6)
Godfather Series (6)
HCCA Series (6)
HEX Series (6)
R Series (6)
Spike Series (6)
TW1 Series (6)
VFL Comp Series (6)
VS Series (6)
W0 v3 Series (6)
W6 v3 Series (6)
Cento Series (5)
D Series (5)
eXcelon Series (5)
SoloXS L7XS Series (5)
Stage Series (5)
Terminator Series (5)
XR Series (5)
75 Series (4)
CVP Series (4)
DMD Series (4)
DMD-SH Series (4)
EXL-X Series (4)
Godzilla Series (4)
GTR Series (4)
Hawk Series (4)
HED Slim Series (4)
Kappa Series (4)
King Series (4)
L Series (4)
N Series (4)
Punch P3 Shallow Mount Series (4)
RS Series (4)
Select Series (4)
Space Series (4)
Status Series (4)
Stroker Series (4)
SWT Series (4)
T1 Slim Series (4)
Tremor-X Series (4)
TW5 Shallow Mount Series (4)
Type-R Series (4)
Atom Series (3)
Club Series (3)
DB+ Series (3)
Discus Series (3)
EQ Series (3)
Gen-XX (3)
GTX Series (3)
LCS Series (3)
Level 1 Series (3)
Level 2 Series (3)
PRO-X Series (3)
Solo-Baric L7 Series (3)
Summo Series (3)
SWS Series (3)
TITAN Series (3)
Titanium Series (3)
TNT Series (3)
VFL Series (3)
XED Series (3)
Arena Series (2)
Bass Series (2)
BassLine Series (2)
C6 Series (2)
Champion Series (2)
Dieci Series (2)
DX Series (2)
Earthquake DBXI Series (2)
Elite Series (2)
ES Series (2)
Excelon Reference Series (2)
Gen-X (2)
GTS Series (2)
Hannibal Series (2)
HEX PRO Series (2)
HoleeS Series (2)
Magma Series (2)
Mille Legend Series (2)
Polk Audio MM1 Series (2)
Power T2 Series (2)
Power T3 Series (2)
Punch P1 Series (2)
SL Series (2)
SPL Show Series (2)
SQ Series (2)
Stadium Series (2)
Street Reference (2)
Stroker Pro Series (2)
Subzero Series (2)
W7 Series (2)
XFL Series (2)
XMAXX Series (2)
XMAXXX Monster Series (2)
XS-Series (2)
Arena X Series (1)
BOA-N Series (1)
CRW Series (1)
Diamond Shallow Series (1)
GT Series (1)
GTX Series (1)
HF Series (1)
JackHammer Series (1)
M2 Series (1)
M4 Series (1)
M6 Series (1)
MOJO Pro Series (1)
Performance Series (1)
Primus Series (1)
Punch P2 Series (1)
S65 Series (1)
SPL Monster Series (1)
Tarantula T5 Series (1)
TKO Series (1)
UFO Series (1)
W0 v2 Series (1)
XD Series (1)
XO 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.
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.
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.
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.

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.
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.
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.

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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DS18 ZR6.2D

600W Peak (300W RMS) 6.5" ZR Series Dual 2-ohm Car Subwoofer

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DS18 ZR6.2D

600W Peak (300W RMS) 6.5" ZR Series Dual 2-ohm Car Subwoofer

• Peak Power: 600 watts
• RMS Power: 300 watts
• Non-Pressed Paper Cone
• Foam Surround
• Impedance: Dual 2 ohm
• Mount depth: 3.49"
• Sensitivity: 82 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 Hippo H122XR

6000W Peak (3000W RMS) 12" Hippo Series Dual 2-ohm Mega Subwoofer

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Massive Audio Hippo H122XR

6000W Peak (3000W RMS) 12" Hippo Series Dual 2-ohm Mega Subwoofer

• Peak Power: 6000 watts
• RMS Power: 3000 watts
• Impedance: Dual 2 ohm
• Kevlar Fiber-Enforced Non-Pressed Paper Cone
• High Roll Foam Surround
• Mount depth: 8.87"
• Sensitivity: 90.21 dB

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Kicker L7R152 (45L7R152) - Pair

1800W Peak (900W RMS) 15” Solo-Baric L7R Series Dual 2-ohm Subwoofer

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Kicker L7R152 (45L7R152) - Pair

1800W Peak (900W RMS) 15” Solo-Baric L7R Series Dual 2-ohm Subwoofer

• Peak Power: 1800 watts
• RMS Power: 900 watts
• Impedance: Dual 2 ohm
• Injection-molded SoloKon Cone
• Ribbed Santoprene Surround
• Mount depth: 8 3/8"
• Sensitivity: 88.05 dB

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• Peak Power: 1800 watts
• RMS Power: 900 watts
• Impedance: Dual 2 ohm
• Injection-molded SoloKon Cone
• Ribbed Santoprene Surround
• Mount depth: 8 3/8"
• Sensitivity: 88.05 dB

Diamond Audio H154

1500W Peak (750W RMS) 15" HEX Series Dual 4-ohm Car Subwoofer

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Diamond Audio H154

1500W Peak (750W RMS) 15" HEX Series Dual 4-ohm Car Subwoofer

• Peak Power: 1500 watts
• RMS Power: 750 watts
• Impedance: Dual 4 ohm
• Kevlar Reinforced Semi-Pressed Paper Cone
• Mount depth: 7.8"
• Sensitivity: 86.0 dB

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DS18 EXL-TR15.4D

5000W Peak (2500W RMS) 15" EXL Series Dual 4-ohm Car Subwoofer

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DS18 EXL-TR15.4D

5000W Peak (2500W RMS) 15" EXL Series Dual 4-ohm Car Subwoofer

• Peak Power: 5000 watts
• RMS Power: 2500 watts
• Impedance: Dual 4 ohm
• Non-Pressed Paper with Epoxy Coating cone
• Foam surround
• Mount depth: 9.2"
• Sensitivity: 84 dB

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Massive Audio Hippo H152XR

6000W Peak (3000W RMS) 15" Hippo Series Dual 2-ohm Mega Car Subwoofer

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Massive Audio Hippo H152XR

6000W Peak (3000W RMS) 15" Hippo Series Dual 2-ohm Mega Car Subwoofer

• Peak Power: 6000 watts
• RMS Power: 3000 watts
• Impedance: Dual 2 ohm
• Kevlar Fiber-Enforced Non-Pressed Paper Cone
• High Roll Foam Surround
• Mount depth: 10"
• Sensitivity: 87.7 dB

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-14% $769.99

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DS18 ZR10.2D

1400W Peak (700W RMS) 10" ZR Series Dual 2-ohm Car Subwoofer

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DS18 ZR10.2D

1400W Peak (700W RMS) 10" ZR Series Dual 2-ohm Car Subwoofer

• Peak Power: 1400 watts
• RMS Power: 700 watts
• Non-Pressed Paper Cone
• Foam Surround
• Impedance: Dual 2 ohm
• Mount depth: 6"
• Sensitivity: 81 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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DC Audio Level 6 18M6D2

8000W Peak (4500W RMS) 18" Level 6 Series M6 Version Dual 2-ohm Subwoofer

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DC Audio Level 6 18M6D2

8000W Peak (4500W RMS) 18" Level 6 Series M6 Version Dual 2-ohm Subwoofer

• Peak Power: 8000 watts
• RMS Power: 4500 watts
• Impedance: Dual 2 ohm
• Kraft Fiber-Reinforced Pulp Cone
• Wide Long Throw Foam Surround
• Mount depth: 14.0"
• Sensitivity: 86.92 dB

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• Peak Power: 8000 watts
• RMS Power: 4500 watts
• Impedance: Dual 2 ohm
• Kraft Fiber-Reinforced Pulp Cone
• Wide Long Throw Foam Surround
• Mount depth: 14.0"
• Sensitivity: 86.92 dB

Pioneer TS-A3000LS4

1500W Peak (400W RMS) 12" A-Series Single 4-ohm Shallow Subwoofer

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Pioneer TS-A3000LS4

1500W Peak (400W RMS) 12" A-Series Single 4-ohm Shallow Subwoofer

• Peak Power: 1500 watts
• RMS Power: 400 watts
• Impedance: Single 4 ohm
• Injection Molded Polypropylene Cone
• Rubber Surround
• Mount depth: 3-1/2"
• Sensitivity: 88 dB

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American Bass HD 15" (HD-1511)

4000W Peak (2000W RMS) 15" HD Series Dual 1-ohm Subwoofer

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American Bass HD 15" (HD-1511)

4000W Peak (2000W RMS) 15" HD Series Dual 1-ohm Subwoofer

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 1 ohm
• Kevlar Fiber-Enforced Non-Pressed Paper Cone
• Oversized 1.4" 3-layer Foam Surround
• Mount depth: 9.4"
• Sensitivity: 88.3 dB

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DS18 ZR8.4D

900W Peak (450W RMS) 8" ZR Series Dual 4-ohm Car Subwoofer

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DS18 ZR8.4D

900W Peak (450W RMS) 8" ZR Series Dual 4-ohm Car Subwoofer

• Peak Power: 900 watts
• RMS Power: 450 watts
• Non-Pressed Paper Cone
• Foam Surround
• Impedance: Dual 4 ohm
• Mount depth: 4.4"
• Sensitivity: 82 dB

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JL Audio 13W7AE-D1.5 (Open Box, Great)

1500W RMS 13.5” W7AE Series Dual 1.5-ohm Car Subwoofer

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JL Audio 13W7AE-D1.5 (Open Box, Great)

1500W RMS 13.5” W7AE Series Dual 1.5-ohm Car Subwoofer


• RMS Power: 1500 watts
• Impedance: Dual 1.5 ohm
• Polypropylene Cone
• Polyester Foam Surround
• Mount depth: 10.50"
• Sensitivity: 86.3 dB

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• RMS Power: 1500 watts
• Impedance: Dual 1.5 ohm
• Polypropylene Cone
• Polyester Foam Surround
• Mount depth: 10.50"
• Sensitivity: 86.3 dB

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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American Bass Hawk 15" (HAWK-1544)

3000W Peak (1500W RMS) 15" Hawk Series Dual 4-ohm Subwoofer

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American Bass Hawk 15" (HAWK-1544)

3000W Peak (1500W RMS) 15" Hawk Series Dual 4-ohm Subwoofer

• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Impedance: Dual 4 ohm
• Non-Pressed Paper Cone
• High Roll Foam Surround
• Mount depth: 8.27"
• Sensitivity: 88.2 dB

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DC Audio Level 3 12M4D2 (M4LV311D2)

2000W Peak (1000W RMS) 12" Level 3 Series M4 Version Dual 2-ohm Car Subwoofer

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DC Audio Level 3 12M4D2 (M4LV311D2)

2000W Peak (1000W RMS) 12" Level 3 Series M4 Version 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: 6.75"
• Sensitivity: 85 dB

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American Bass Hawk 12" (HAWK-1244)

3000W Peak (1500W RMS) 12" Hawk Series Dual 4-ohm Subwoofer

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American Bass Hawk 12" (HAWK-1244)

3000W Peak (1500W RMS) 12" Hawk Series Dual 4-ohm Subwoofer

• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Impedance: Dual 4 ohm
• Kevlar Fiber-Enforced Non-Pressed Paper Cone
• High Roll Foam Surround
• Mount depth: 7.68"
• Sensitivity: 86.6 dB

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List price $385.86
-19% $312.31

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American Bass Godfather 18" (GF-1811)

6000W Peak (3000W RMS) 18" Godfather Series Dual 1-ohm Car Subwoofer

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American Bass Godfather 18" (GF-1811)

6000W Peak (3000W RMS) 18" Godfather Series Dual 1-ohm Car Subwoofer

• Peak Power: 6000 watts
• RMS Power: 3000 watts
• Impedance: Dual 1 ohm
• Non-Pressed Paper Cone
• High Roll Foam Surround
• Mount depth: 11.22"
• Sensitivity: 92.1 dB

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-37% $760.50

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Earthquake Sound DBXi-15D

15" Dual 4 ohm DBXi Series Car Subwoofer

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Earthquake Sound DBXi-15D

15" Dual 4 ohm DBXi Series Car Subwoofer

• 2000W Peak
• 750W RMS
• 2" Aluminum Bobbin Voice Coil
• 150 Oz. Double Stacked Magnet
• Sensitivity: 85dB
• Mounting Depth: 6-3/8"

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$419.99

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