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DS18 PRO-FR6NEO (Sold Individually)

450W Peak (225W RMS) 6.5” PRO-FR Series 4-ohm Full-Range Bullet Loudspeaker

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450W Peak (225W RMS) 6.5” PRO-FR Series 4-ohm Full-Range Bullet Loudspeaker

• 450 watts Peak Each, 225 watts RMS Each
• Aluminum Bullet Tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB

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List price $143.95
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-15% $122.36

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Used from: $104.01

Hertz X 170

400W Peak (100W RMS) 6.75” Uno Series 2-way 4-ohm Coaxial Car Speakers

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400W Peak (100W RMS) 6.75” Uno Series 2-way 4-ohm Coaxial Car Speakers

• 200 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Dome tweeters
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93.5 dB

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List price $95.00
-16% $79.99 /pair

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Pioneer TS-A6971F

1200W Peak (200W RMS) 6x9" A-Series 4-Way Coaxial 4-ohm Speakers

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1200W Peak (200W RMS) 6x9" A-Series 4-Way Coaxial 4-ohm Speakers

• 600 watts Peak Each, 100 watts RMS Each
• 3/8" Polyetherimide Hard Dome tweeters
• 2-1/4" Cellulose Fiber midrange cone
• Carbon and Mica Reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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  • Rear Deck Corner
2
List price $130.00
-15% $110.00 /pair

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Sundown Audio E-5.25CX

200W RMS 5.25" E Series 2 Way Coaxial 4-ohm Speakers (S-E5.25CX)

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200W RMS 5.25" E Series 2 Way Coaxial 4-ohm Speakers (S-E5.25CX)

• 50 watts RMS Each
• Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm

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List price $119.99
-17% $99.99 /pair

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JBL STAGE1 962M

1120W Peak (140W RMS) 6x9" Stage1 Series 3 Way Coaxial 4-ohm Speakers

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1120W Peak (140W RMS) 6x9" Stage1 Series 3 Way Coaxial 4-ohm Speakers

• 70 watts Peak Each, 35 watts RMS Each
• Polypropylene Plus One cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Fits the following location in your DeVille
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1
List price $99.95
-20% $79.95 /pair

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Cerwin-Vega V525

600W Peak (200W RMS) 5.25" Vega Series 2025 Edition 2-Way Coaxial 4-ohm Speakers

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600W Peak (200W RMS) 5.25" Vega Series 2025 Edition 2-Way Coaxial 4-ohm Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Silk Balanced Dome Tweeters
• Carbon Fiber Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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1
$149.99 /pair

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DS18 PRO-CF69.4NR (Sold Individually)

600W Peak (300W RMS) 6x9" PRO Series Midbass 4-ohm Motorcycle and Powersports Loudspeaker

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600W Peak (300W RMS) 6x9" PRO Series Midbass 4-ohm Motorcycle and Powersports Loudspeaker

• 600 watts Peak Each, 300 watts RMS Each
• Water Resistant Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

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List price $251.95
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-15% $214.16

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Precision Power MAS.692HT

800W Peak (400W RMS) 6x9" MAS Series 2-Way Coaxial 2-ohm Horn Loaded Motorcycle Speakers

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800W Peak (400W RMS) 6x9" MAS Series 2-Way Coaxial 2-ohm Horn Loaded Motorcycle Speakers

• 400 watts Peak Each, 200 watts RMS Each
• Titanium Ring Radiator Tweeters
• Polypropylene cone material
• Impedance: 2 ohm
• Sensitivity: 95 dB

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List price $679.99
-22% $529.99 /pair

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• 400 watts Peak Each, 200 watts RMS Each
• Titanium Ring Radiator Tweeters
• Polypropylene cone material
• Impedance: 2 ohm
• Sensitivity: 95 dB

JL Audio C7-650CW (Sold Individually)

175W RMS 6.5" C7 Series 4-ohm Component Midwoofer Car Speaker

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175W RMS 6.5" C7 Series 4-ohm Component Midwoofer Car Speaker

• 175 watts RMS Each
• Vacuum formed Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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3
$749.99

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DS18 PRO-ZXI6M (Sold Individually)

600W Peak (300W RMS) 6.5" ZXi Series Pro Audio Midrange 8-Ohm Loudspeaker

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600W Peak (300W RMS) 6.5" ZXi Series Pro Audio Midrange 8-Ohm Loudspeaker

• 600 watts Peak Each, 300 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 97 dB

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2
List price $89.99
Save 29%
-29% $63.71

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Kenwood KFC-1066S

440W Peak (42W RMS) 4" Sport Series 2-Way Coaxial 4-ohm Car Speakers

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440W Peak (42W RMS) 4" Sport Series 2-Way Coaxial 4-ohm Car Speakers

• 220 watts Peak Each, 21 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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  • Dash Corner
4
List price $80.00
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-39% $49.00 /pair

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Cerwin-Vega CVP69 (Sold Individually)

300W Peak (150W RMS) 6x9" CVPRO Series Pro Full Range 4-ohm Speaker

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300W Peak (150W RMS) 6x9" CVPRO Series Pro Full Range 4-ohm Speaker

• 300 watts Peak, 150 watts RMS
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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1
List price $59.99
-17% $49.99

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Alpine S2-S50

340W Peak (110W RMS) 5.25" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

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340W Peak (110W RMS) 5.25" S-Series Hi-Res 2-Way Coaxial 4-ohm Car Speakers

• 170 watts Peak Each, 55 watts RMS Each
• Hi-Res Audio Certified
• 3/4" Cloth Soft Dome tweeters
• Polypropylene, Glass Fiber and Mica cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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38
List price $160.00
-19% $129.95 /pair

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DS18 DXQ6C3

600W Peak (300W RMS) 6.5" DXQ Series 3-Way Component 4-ohm Speaker System

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600W Peak (300W RMS) 6.5" DXQ Series 3-Way Component 4-ohm Speaker System

• 300 watts Peak Each, 150 watts RMS Each
• 2" Silk Dome Tweeters
• Composite Foam cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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List price $599.95
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-15% $509.96 /set

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JVC CS-DF620

600W Peak (50W RMS) 6.5" DRVN DF Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

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600W Peak (50W RMS) 6.5" DRVN DF Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

• 300 watts Peak Each, 25 watts RMS Each
• 1" Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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4
List price $64.00
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Hertz CPK 690

720W Peak (240W RMS) 6x9" Cento Series 2-way 4-ohm Component Car Speakers

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720W Peak (240W RMS) 6x9" Cento Series 2-way 4-ohm Component Car Speakers

• 360 watts Peak Each, 120 watts RMS Each
• 1.14" Tetolon Dome tweeters
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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1
List price $600.00
-17% $499.99 /set

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Hertz DCX 100.3

120W Peak (60W RMS) 4" Dieci Series 2-Way Coaxial 4-ohm Car Speakers

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120W Peak (60W RMS) 4" Dieci Series 2-Way Coaxial 4-ohm Car Speakers

• 60 watts Peak Each, 30 watts RMS Each
• 5/8" PEI (Polyetherimide) Dome tweeters
• Water-repellent Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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2
List price $150.00
-13% $129.99 /pair

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Alpine BRV-S65C

300W Peak (100W RMS) 6.5" BassRev Series 4-ohm 2-Way Component Speaker Set

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300W Peak (100W RMS) 6.5" BassRev Series 4-ohm 2-Way Component Speaker Set

• 150 watts Peak Each, 50 watts RMS Each
• 3/4" Polyester cloth Dome Tweeters
• Polypropylene-Mica cone material
• BassRev tuning via Alpine OPTIM8
• Impedance: 4 ohm
• Sensitivity: 84 dB

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List price $420.00
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-33% $279.95 /set

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PRV Audio 6MR250B-4 SLIM

500W Peak (250W RMS) 6.5" Alto Series Pro Audio on Wheels Series Shallow Midrange Bullet 4-ohm Car Speaker (Sold Individually)

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500W Peak (250W RMS) 6.5" Alto Series Pro Audio on Wheels Series Shallow Midrange Bullet 4-ohm Car Speaker (Sold Individually)

• 500 watts Peak Each, 250 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93.5 dB

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List price $49.89
-20% $39.91

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MTX Audio THUNDER61

180W RMS 6.5" Thunder Series 2 Way Component 4-ohm Speaker System

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180W RMS 6.5" Thunder Series 2 Way Component 4-ohm Speaker System

• 90 watts RMS Each
• 1-3/8" Silk Soft Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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11
List price $239.95
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    FAQ for Speakers in 1977 DeVille

    Q: Can I upgrade or change the Speakers in 1977 Cadillac DeVille?

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

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.