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1978 Cadillac Eldorado

Universal subwoofers that fit most vehicles, including your 1978 Eldorado.

Universal Subwoofers for 1978 Cadillac Eldorado


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Sundown Audio SML-8 D4 8" (SML8D4)

800W Peak (400W RMS) 8" SML Series Dual 4-ohm Shallow Car Subwoofer (SW-SML8D4)

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800W Peak (400W RMS) 8" SML Series Dual 4-ohm Shallow Car Subwoofer (SW-SML8D4)

• Peak Power: 800 watts
• RMS Power: 400 watts
• Impedance: Dual 4 ohm
• Pressed Paper cone
• Pressed Foam surround
• Mount depth: 3.9"
• Sensitivity: 82.5 dB

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List price $203.99
-7% $189.99

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Sundown Audio SML-10 D2 10" (SML10D2)

1200W Peak (600W RMS) 10" SML Series Dual 2-ohm Shallow Car Subwoofer (SW-SML10D2)

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1200W Peak (600W RMS) 10" SML Series Dual 2-ohm Shallow Car Subwoofer (SW-SML10D2)

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 2 ohm
• Pressed Paper cone
• Pressed Foam surround
• Mount depth: 3.78"
• Sensitivity: 86.1 dB

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List price $263.99
-9% $239.99

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Diamond Audio DES82 (Open Box, Great)

500W Peak (250W RMS) 8" DES Series Dual 2-ohm Car Subwoofer

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500W Peak (250W RMS) 8" DES Series Dual 2-ohm Car Subwoofer

• Peak Power: 500 watts
• RMS Power: 250 watts
• Fiber-Reinforced High Strength Paper Cone
• Impedance: Dual 2 ohm
• Sensitivity: 82 dB

10% Off Open Box!
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List price $219.99
-24% $167.99
$151.19 with coupon | Price details

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• Peak Power: 500 watts
• RMS Power: 250 watts
• Fiber-Reinforced High Strength Paper Cone
• Impedance: Dual 2 ohm
• Sensitivity: 82 dB

Sundown Audio SA-15 v.3 D2 15" (SA15V3D2)

3000W Peak (1500W RMS) 15" SA Series Dual 2-ohm Car Subwoofer (SAV315D2)

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3000W Peak (1500W RMS) 15" SA Series Dual 2-ohm Car Subwoofer (SAV315D2)

• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Impedance: Dual 2 ohm
• Competition Grade Paper Cone
• Foam Surround
• Mount depth: 8.65"
• Sensitivity: 88.22 dB

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List price $539.99
-17% $449.99

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• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Impedance: Dual 2 ohm
• Competition Grade Paper Cone
• Foam Surround
• Mount depth: 8.65"
• Sensitivity: 88.22 dB

Deaf Bonce Apocalypse DB-SA272 D1

3000W Peak (1500W RMS) 12” Apocalypse Series Dual 1-ohm Car Subwoofer

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3000W Peak (1500W RMS) 12” Apocalypse Series Dual 1-ohm Car Subwoofer

• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Pressed Paper Cone
• Foam Surround
• Impedance: Dual 1 ohm
• Mount depth: 7.07"
• Sensitivity: 86.20 dB

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Kicker C84 (43C84)

200W Peak (100W RMS) 8" Comp Series Single 4-ohm Subwoofer

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200W Peak (100W RMS) 8" Comp Series Single 4-ohm Subwoofer

• Peak Power: 200 watts
• RMS Power: 100 watts
• Impedance: Single 4 ohm
• Injection Molded Polypropylene Cone
• UV-Resistant Rubber Surround
• Mount depth: 4"
• Sensitivity: 83.6 dB

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List price $79.90
-13% $69.90

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• Peak Power: 200 watts
• RMS Power: 100 watts
• Impedance: Single 4 ohm
• Injection Molded Polypropylene Cone
• UV-Resistant Rubber Surround
• Mount depth: 4"
• Sensitivity: 83.6 dB

Sundown Audio M-10 D2 10" (M10D2)

4000W Peak (2000W RMS) 10" M Series Dual 2-ohm Car Subwoofer (SW-M10D2)

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4000W Peak (2000W RMS) 10" M Series Dual 2-ohm Car Subwoofer (SW-M10D2)

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 2 ohm
• Polypropylene cone
• High Roll Foam surround
• Mount depth: 10.09"
• Sensitivity: 79.14 dB

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Rockford Fosgate Power T3 T3S1-19

6000W Peak (3000W RMS) 19" Power Series Single 1-ohm Super Car Subwoofer

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6000W Peak (3000W RMS) 19" Power Series Single 1-ohm Super Car Subwoofer

• Peak Power: 6000 watts
• RMS Power: 3000 watts
• Impedance: Single 1 ohm
• Glass Fiber Cone
• Injection molded foam Surround
• Mount depth: 15.62"
• Sensitivity: 91 dB

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$2,199.99

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Kicker L7R152 (45L7R152)

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

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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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List price $399.99
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Kicker L7X82 (49L7X82)

800W RMS 8" SoloX Series Dual 2-ohm Subwoofer

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800W RMS 8" SoloX Series Dual 2-ohm Subwoofer

• RMS Power: 400 - 800 watts
• Impedance: Dual 2 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 7-15/16"

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• RMS Power: 400 - 800 watts
• Impedance: Dual 2 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 7-15/16"

JBL Stage 102 (JBLSUBST102AM)

900W Peak (225W RMS) 10" Stage Series Single 4-ohm Car Subwoofer

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900W Peak (225W RMS) 10" Stage Series Single 4-ohm Car Subwoofer

• Peak Power: 900 watts
• RMS Power: 225 watts
• Impedance: Single 4 ohm
• Polypropylene Subwoofer Cone material
• Rubber Subwoofer Surround material
• Mount depth: 4.525"
• Sensitivity: 89 dB

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-17% $99.95

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Rockford Fosgate Prime R2 R2SD4-10

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

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

• Peak Power: 400 watts
• RMS Power: 200 watts
• Impedance: Dual 4 ohm
• Mica Injected Polypropylene - MIPP Cone
• Foam Surround
• Mount depth: 3.417"
• Sensitivity: 82 dB

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$159.99

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Sundown Audio PSE-6.5

250W RMS 6.5" Dual 4-ohm Powersports Car Subwoofer

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250W RMS 6.5" Dual 4-ohm Powersports Car Subwoofer

• RMS Power: 250 watts
• Impedance: Dual 4 ohm
• Mount depth: 4.5"
• Compatible with powersports applications

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List price $179.99
-17% $149.99

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Alpine RS-W12D2

1800W Peak (600W RMS) 12” R-Series Dual 2-ohm Shallow Car Subwoofer

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1800W Peak (600W RMS) 12” R-Series Dual 2-ohm Shallow Car Subwoofer

• Peak Power: 1800 watts
• RMS Power: 600 watts
• Impedance: Dual 2 ohm
• Polypropylene Cone
• Butyl Rubber Surround
• Mount depth: 3.22"
• Sensitivity: 82 dB

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Rockford Fosgate Power T1 T1D215

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

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

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Impedance: Dual 2 ohm
• Kevlar Reinforced Pulp Paper Cone
• Santoprene Rubber Surround
• Mount depth: 8.39"
• Sensitivity: 88 dB

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Kicker L7S104 (44L7S104)

1200W Peak (600W RMS) 10” Solo-Baric L7S Series Dual 4-ohm Subwoofer

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1200W Peak (600W RMS) 10” Solo-Baric L7S Series Dual 4-ohm Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 6-1/4"
• Sensitivity: 85.87 dB

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Kicker L7X122 (49L7X122)

2000W RMS 12" SoloX Series Dual 2-ohm Subwoofer

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2000W RMS 12" SoloX Series Dual 2-ohm Subwoofer

• RMS Power: 1000 - 2000 watts
• Impedance: Dual 2 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 10-1/8"

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• RMS Power: 1000 - 2000 watts
• Impedance: Dual 2 ohm
• Double-pressed pulp Cone
• UV-resistant Santoprene Surround
• Mount depth: 10-1/8"

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Alpine S2-W8D2

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

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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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JL Audio 10W1v3-2

300W RMS 10" W1v3 Series Single 2-ohm Subwoofer

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300W RMS 10" W1v3 Series Single 2-ohm Subwoofer


• RMS Power: 300 watts
• Impedance: Single 2 ohm
• Mica Injected Polypropylene - MIPP Cone
• Rubber Surround
• Mount depth: 4.6"
• Sensitivity: 83.9 dB

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List price $249.99
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Alpine R2-W12D2 (Open Box, Great)

2250W Peak (750W RMS) 12" R2-Series Dual 2-ohm Car Subwoofer

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2250W Peak (750W RMS) 12" R2-Series Dual 2-ohm Car Subwoofer

• Peak Power: 2250 watts
• RMS Power: 750 watts
• Impedance: Dual 2 ohm
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 6.43"
• Sensitivity: 85 dB

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List price $540.00
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• Peak Power: 2250 watts
• RMS Power: 750 watts
• Impedance: Dual 2 ohm
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 6.43"
• Sensitivity: 85 dB

Orion HCCA152

10000W Peak (2500W RMS) 15" HCCA Series Dual 2-ohm Car Subwoofer

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10000W Peak (2500W RMS) 15" HCCA Series Dual 2-ohm Car Subwoofer

• Peak Power: 10000 watts
• RMS Power: 2500 watts
• Impedance: Dual 2 ohm
• UV-Resistant Polypropylene Cone
• Nitrile Butadiene Rubber (NBR)-Foam Surround
• Mount depth: 11.575"
• Sensitivity: 87.2 dB

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• Peak Power: 10000 watts
• RMS Power: 2500 watts
• Impedance: Dual 2 ohm
• UV-Resistant Polypropylene Cone
• Nitrile Butadiene Rubber (NBR)-Foam Surround
• Mount depth: 11.575"
• Sensitivity: 87.2 dB

JL Audio 10TW1-4

300W RMS 10" TW1 Series Single 4-ohm Shallow Subwoofer

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300W RMS 10" TW1 Series Single 4-ohm Shallow Subwoofer


• RMS Power: 300 watts
• Impedance: Single 4 ohm
• Mica Injected Polypropylene - MIPP Cone
• Rubber Surround
• Mount depth: 4.36"
• Sensitivity: 82.2 dB

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$419.99

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Cerwin Vega VMAX12D4

2000W Peak (1000W RMS) 12” VMAXX Series Dual 4-ohm Car Subwoofer

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2000W Peak (1000W RMS) 12” VMAXX Series Dual 4-ohm Car Subwoofer

• Peak Power: 2000 watts
• RMS Power: 1000 watts
• Impedance: Dual 4 ohm
• Treated Semi-Pressed Pulped Cone
• Rubber Surround
• Mount depth: 6.6"
• Sensitivity: 84.8 dB

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List price $287.99
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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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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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List price $839.99
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Rockford Fosgate Power T1 T1S2-10S

1000W Peak (500W RMS) 10" T1 Slim Series Single 2-ohm Shallow Subwoofer for Sealed Enclosures

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1000W Peak (500W RMS) 10" T1 Slim Series Single 2-ohm Shallow Subwoofer for Sealed Enclosures

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Single 2 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 CWQ152 (51CWQ152)

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

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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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List price $479.99
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Deaf Bonce Apocalypse DB-SA2510 D2

1600W Peak (800W RMS) 10” Apocalypse Series Dual 2-ohm Car Subwoofer

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1600W Peak (800W RMS) 10” Apocalypse Series Dual 2-ohm Car Subwoofer

• Peak Power: 1600 watts
• RMS Power: 800 watts
• Paper Cone
• Foam Surround
• Impedance: Dual 2 ohm
• Mount depth: 5.19"
• Sensitivity: 85.4 dB

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$239.90

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Kicker L7R122 (45L7R122)

1200W Peak (600W RMS) 12” Solo-Baric L7R Series Dual 2-ohm Subwoofer

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1200W Peak (600W RMS) 12” Solo-Baric L7R Series Dual 2-ohm Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 2 ohm
• Injection-molded SoloKon Cone
• Ribbed Santoprene Surround
• Mount depth: 6 7/8"
• Sensitivity: 86.7 dB

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List price $299.99
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Hifonics Elite 8" (HEW8D2)

1200W Peak (600W RMS) 8" Hifonics Elite Series Dual 2-ohm Subwoofer

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1200W Peak (600W RMS) 8" Hifonics Elite Series Dual 2-ohm Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 2 ohm
• Polypropylene Cone
• Double Stitched Foam Surround
• Mount depth: 5.66"
• Sensitivity: 81.2 dB

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$169.00

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MTX S6512-44

1000W Peak (500W RMS) 12" S65 Series Dual 4-ohm Car Subwoofer

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1000W Peak (500W RMS) 12" S65 Series Dual 4-ohm Car Subwoofer

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Mount depth: 6.9375"
• Sensitivity: 86.7 dB

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$399.95

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Kicker CWR102 (48CWR102)

800W Peak (400W RMS) 10” CompR Series Dual 2-ohm Subwoofer

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800W Peak (400W RMS) 10” CompR Series Dual 2-ohm Subwoofer

• Peak Power: 800 watts
• RMS Power: 200-400 watts
• Impedance: Dual 2 ohm
• Injection Molded Polypropylene cone
• Santoprene Rubber surround
• Mount depth: 5-1/4"
• Sensitivity: 84.6 dB

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List price $189.99
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Kicker L7S84 (44L7S84)

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

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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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List price $239.99
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Deaf Bonce Machete ML-12R D4

1000W Peak (500W RMS) 12” Machete Series Dual 4-ohm Car Subwoofer

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1000W Peak (500W RMS) 12” Machete Series Dual 4-ohm Car Subwoofer

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Pressed Paper Cone
• Foam Surround
• Impedance: Dual 4 ohm
• Mount depth: 5.3"
• Sensitivity: 88.0 dB

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Alpine W12S4

750W Peak (250W RMS) 12" Bass Series Single 4-ohm Car Subwoofer

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750W Peak (250W RMS) 12" Bass Series Single 4-ohm Car Subwoofer

• Peak Power: 750 watts
• RMS Power: 250 watts
• Impedance: Single 4 ohm
• Mica Injected Polypropylene - MIPP Cone
• Poly-Foam Surround
• Mount depth: 5-5/16"
• Sensitivity: 87.9 dB

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List price $140.00
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Sundown Audio SA-12 v.3 D4 12" (SA12V3D4)

3000W Peak (1500W RMS) 12" SA Series Dual 4-ohm Car Subwoofer (SAV312D4)

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3000W Peak (1500W RMS) 12" SA Series Dual 4-ohm Car Subwoofer (SAV312D4)

• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Impedance: Dual 4 ohm
• Competition Grade Paper Cone
• Foam Surround
• Mount depth: 8.4"
• Sensitivity: 84.9 dB

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List price $515.99
-17% $429.99

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MTX TN12-04

400W Peak (200W RMS) 12" Terminator Series Single 4-ohm Car Subwoofer

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400W Peak (200W RMS) 12" Terminator Series Single 4-ohm Car Subwoofer

• Peak Power: 400 watts
• RMS Power: 200 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 5.44"
• Sensitivity: 86.4 dB

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Massive Audio SUMMOXL104

3000W Peak (1500W RMS) 10" SUMMO Series Dual 4-ohm Car Subwoofer

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3000W Peak (1500W RMS) 10" SUMMO Series Dual 4-ohm Car Subwoofer

• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Impedance: Dual 4 ohm
• Non-Pressed Paper Cone
• Foam Surround
• Mount depth: 6.81"
• Sensitivity: 90.3 dB

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JL Audio 13TW5v2-2

600W 13.5" TW5v2 (Thin-Line) Series Single 2-ohm Subwoofer

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600W 13.5" TW5v2 (Thin-Line) Series Single 2-ohm Subwoofer

• Mounting depth: 2.625 "
• Requires Only 0.8 Cubic Feet of Airspace
• Excellent linear excursion capability (xmax)
• Patented "floating cone attach method" technology
• Patented "concentric tube" architecture

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• Mounting depth: 2.625 "
• Requires Only 0.8 Cubic Feet of Airspace
• Excellent linear excursion capability (xmax)
• Patented "floating cone attach method" technology
• Patented "concentric tube" architecture

Limited time!

Kicker CWR104 (48CWR104)

800W Peak (400W RMS) 10” CompR Series Dual 4-ohm Subwoofer

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800W Peak (400W RMS) 10” CompR Series Dual 4-ohm Subwoofer

• Peak Power: 800 watts
• RMS Power: 200-400 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Santoprene Rubber Surround
• Mount depth: 5-1/4"
• Sensitivity: 84.6 dB

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List price $189.99
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Orion HCCA104

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

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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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List price $599.99
-17% $499.95

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• 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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    FAQ for Universal Subwoofers in 1978 Eldorado

    Q: Can I upgrade or change the Universal Subwoofers in 1978 Cadillac Eldorado?

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

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