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Hertz CPK 165

630W Peak (210W RMS) 6.5" Cento Series 2-way 4-ohm Component Speaker System

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630W Peak (210W RMS) 6.5" Cento Series 2-way 4-ohm Component Speaker System

• 315 watts Peak Each, 105 watts RMS Each
• 1.14" Tetolon Soft Dome tweeters with neodymium magnets
• Pressed Paper cone material with FEM-optimized geometry
• Impedance: 4 ohm
• Sensitivity: 92.5 dB

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List price $600.00
-17% $499.99 /set

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Alpine BRV-S65

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

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

• 150 watts Peak Each, 50 watts RMS Each
• 1" 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 $360.00
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-33% $239.95 /pair

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Orion HCCA652NHP

3600 Peak (900W RMS) 6.5" HCCA Series Pro Audio Midrange 2-ohm Car Speakers

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3600 Peak (900W RMS) 6.5" HCCA Series Pro Audio Midrange 2-ohm Car Speakers

• 1800 watts Peak Each, 450 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 2 ohm
• Sensitivity: 99.8 dB

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List price $335.99
-17% $279.95 /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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JL Audio C3-650 (Open Box, Great)

150W RMS 6.5" Evolution C3 Series 2-way 4-ohm Component Speaker System

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150W RMS 6.5" Evolution C3 Series 2-way 4-ohm Component Speaker System

• 75 watts RMS Each
• 1" Silk Soft Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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List price $529.99
-15% $450.49 /set

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Massive Audio MX65SV2

200W Peak (100W RMS) 6.5" MX Series 2-Way Coaxial 4-ohm Shallow Car Speakers

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200W Peak (100W RMS) 6.5" MX Series 2-Way Coaxial 4-ohm Shallow Car Speakers

• 100 watts Peak Each, 50 watts RMS Each
• 1/2" PEI (Polyetherimide) Dome Tweeters
• Custom Laminated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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List price $65.99
-20% $52.49 /pair

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MB Quart FKB110

160W Peak (80W RMS) 4" Formula Series 2-Way 4-ohm Coaxial Car Speakers

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160W Peak (80W RMS) 4" Formula Series 2-Way 4-ohm Coaxial Car Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 1" Aluminum Dome tweeters
• Lightweight Thermoformed Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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List price $46.99
-36% $29.99 /pair

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Hertz MP 165.3

360W Peak (180W RMS) 6.5" Mille Pro Series Pro Audio Midwoofer 4-ohm Speaker

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360W Peak (180W RMS) 6.5" Mille Pro Series Pro Audio Midwoofer 4-ohm Speaker

• 180 watts Peak Each, 90 watts RMS Each
• Pressed Pulp with Cotton Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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List price $825.00
-15% $699.99

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Deaf Bonce Machete MM-50L

320W Peak (196W RMS) 5.2" Machete Series Midrange 4-ohm Speakers

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320W Peak (196W RMS) 5.2" Machete Series Midrange 4-ohm Speakers

• 160 watts Peak Each, 98 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 91.6 dB

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$44.90 /pair

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JBL STAGE1 51F (JBLSPKS151F)

300W Peak (60W RMS) 5.25" Stage Series 2 Way Coaxial 4-ohm Speakers

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300W Peak (60W RMS) 5.25" Stage Series 2 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 30 watts RMS Each
• Mylar Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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List price $79.99
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JBL STAGE3 GEN2 58F (STAGE358F)

960W Peak (120W RMS) 5.25" Stage3 Gen2 Series 2-Way Coaxial 4-ohm Car Speakers

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960W Peak (120W RMS) 5.25" Stage3 Gen2 Series 2-Way Coaxial 4-ohm Car Speakers

• 480 watts Peak Each, 60 watts RMS Each
• PEI (Polyetherimide) Balanced Dome Tweeters
• Plus One Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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List price $89.95
-22% $69.95 /pair

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Massive Audio MA6E (Sold Individually)

120W Peak (50W RMS) 6.5" MA Series 2-way 8-ohm Mid-Range Speaker

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120W Peak (50W RMS) 6.5" MA Series 2-way 8-ohm Mid-Range Speaker

• 120 watts Peak Each, 100 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 dB

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Deaf Bonce Avatar MBR-61LE

280W Peak (140W RMS) 6.5" Buran Series Midrange 4-ohm Car Speakers

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280W Peak (140W RMS) 6.5" Buran Series Midrange 4-ohm Car Speakers

• 140 watts Peak Each, 70 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93.8 dB

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MTX TERMINATOR5

140W Peak (70W RMS) 5.25" Terminator Series 2 Way Coaxial 4-ohm Speakers

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140W Peak (70W RMS) 5.25" Terminator Series 2 Way Coaxial 4-ohm Speakers

• 70 watts Peak Each, 35 watts RMS Each
• Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85.3 dB

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List price $69.95
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Cerwin-Vega H525C

600W Peak (200W RMS) 5.25" HED Series 4-ohm 2-Way Component Speaker System

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600W Peak (200W RMS) 5.25" HED Series 4-ohm 2-Way Component Speaker System

• 300 watts Peak Each, 100 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Responsive Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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List price $227.99
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Dual D65SP

200W Peak (100W RMS) 6.5" 2-Way Coaxial 4-ohm Car Speakers

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200W Peak (100W RMS) 6.5" 2-Way Coaxial 4-ohm Car Speakers

• 100 watts Peak Each, 50 watts RMS Each
• 1" Black Mylar Balanced Dome Tweeters
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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Jensen JS65T

500W Peak (100W RMS) 6.5" Triaxial Series 3 Way Coaxial 4-ohm Speakers

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500W Peak (100W RMS) 6.5" Triaxial Series 3 Way Coaxial 4-ohm Speakers

• 250 watts Peak Each, 50 watts RMS Each
• 3/4" Piezo Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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$69.99 /pair

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DS18 EXL-SQ5.25

680W Peak (160W RMS) 5.25" EXL-SQ Series 2-way 3-ohm Coaxial Car Speakers

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680W Peak (160W RMS) 5.25" EXL-SQ Series 2-way 3-ohm Coaxial Car Speakers

• 340 watts Peak Each, 80 watts RMS Each
• 1" PEI (Polyetherimide) Dome tweeters with neodynium magnets
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 86 dB

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$143.95 /pair

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AudioControl PNW-525

150W Peak (100W RMS) 5.25″ PNW Series 2-way 3-ohm Coaxial Car Speakers

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150W Peak (100W RMS) 5.25″ PNW Series 2-way 3-ohm Coaxial Car Speakers

• 75 watts Peak Each, 50 watts RMS Each
• Hybrid Silk Dome tweeters
• Rigid Poly Mica cone material
• Impedance: 3 ohm
• Sensitivity: 88.41 dB

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List price $259.00
-8% $239.00 /pair

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Deaf Bonce Avatar MTU 50LE

280W Peak (140W RMS) 5.2" Tsunami Series Midrange 4-ohm Car Speakers

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280W Peak (140W RMS) 5.2" Tsunami Series Midrange 4-ohm Car Speakers

• 140 watts Peak Each, 70 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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NVX - Worth the Envy - Direct to Consumer Car Audio

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    FAQ for Speakers in 1981 Regal

    Q: Can I upgrade or change the Speakers in 1981 Buick Regal?

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

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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.