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Hertz ML 1650.3

500W Peak (250W RMS) 6.5" Mille Legend Series 4-ohm Midrange Car Woofers

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500W Peak (250W RMS) 6.5" Mille Legend Series 4-ohm Midrange Car Woofers

• 250 watts Peak Each, 125 watts RMS Each
• Pressed Pulp Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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List price $1060.00
-6% $999.99 /pair

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DS18 ZXI-654

480W Peak (160W RMS) 6.5" ZXI Series 2-way 4-ohm Coaxial Car Speakers

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480W Peak (160W RMS) 6.5" ZXI Series 2-way 4-ohm Coaxial Car Speakers

• 240 watts Peak Each, 80 watts RMS Each
• 1" PEI (Polyetherimide) tweeters with neodymium magnets
• Glass Fiber cone material with KSV former
• Impedance: 4 ohm
• Sensitivity: 89 dB

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$94.95 /pair

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DS18 ZXI-62C

480W Peak (240W RMS) 6.5" ZXI Series 2-way 4-ohm Component Speaker System

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480W Peak (240W RMS) 6.5" ZXI Series 2-way 4-ohm Component Speaker System

• 240 watts Peak Each, 120 watts RMS Each
• 1.25" Silk Dome tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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$167.95 /set

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Cerwin-Vega V65

720W Peak (240W RMS) 6.5" Vega Series 2025 Edition 2-Way Coaxial 4-ohm Speakers

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720W Peak (240W RMS) 6.5" Vega Series 2025 Edition 2-Way Coaxial 4-ohm Speakers

• 360 watts Peak Each, 120 watts RMS Each
• 3/4" Silk Balanced Dome Tweeters
• Carbon Fiber Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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$149.99 /pair

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Cerwin-Vega XED52

550W Peak (60W RMS) 5.25" XED Series 2-Way Coaxial 4-ohm Speakers

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550W Peak (60W RMS) 5.25" XED Series 2-Way Coaxial 4-ohm Speakers

• 275 watts Peak Each, 30 watts RMS Each
• 1" Piezo Metal Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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List price $53.99
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Polk Audio DB5252 (DB 5252)

600W Peak (200W RMS) 5.25” DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

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600W Peak (200W RMS) 5.25” DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" dual Silk Dome tweeters
• UV-Resistant Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

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List price $209.99
-5% $200.00 /set

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MTX TERMINATOR6

180W Peak (90W RMS) 6.5" Terminator Series 2 Way Coaxial 4-ohm Speakers

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180W Peak (90W RMS) 6.5" Terminator Series 2 Way Coaxial 4-ohm Speakers

• 90 watts Peak Each, 45 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.8 dB

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List price $69.95
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Infinity REF507F (INFSPKRF507FUS)

270W Peak (90W RMS) 5.25" Reference Series 2-Way Coaxial 3-ohm Speakers

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270W Peak (90W RMS) 5.25" Reference Series 2-Way Coaxial 3-ohm Speakers

• 135 watts Peak Each, 45 watts RMS Each
• Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

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List price $139.95
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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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List price $64.00
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Hertz SV 165 NEO (SV165 NEO)

800W Peak (300W RMS) 6.5" SPL Show Series 4-ohm Midrange Car and Motorcycle Speakers

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800W Peak (300W RMS) 6.5" SPL Show Series 4-ohm Midrange Car and Motorcycle Speakers

• 400 watts Peak Each, 150 watts RMS Each
• Terminals and mounting holes compatible for Harley-Davidson motorbikes
• Water-repellent pressed paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

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List price $530.00
-15% $449.99 /pair

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DS18 PRO-X6.4BMSL (Sold Individually)

400W Peak (200W RMS) 6.5” PRO-X Series Pro Audio Mid-Range 4-ohm Bullet Loudspeaker

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400W Peak (200W RMS) 6.5” PRO-X Series Pro Audio Mid-Range 4-ohm Bullet Loudspeaker

• 400 watts Peak Each, 200 watts RMS Each
• Red Aluminum Bullet tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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Massive Audio FK6

640W Peak (160W RMS) 6.5" FK Series 4-ohm Component Speaker System

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640W Peak (160W RMS) 6.5" FK Series 4-ohm Component Speaker System

• 320 watts Peak Each, 80 watts RMS Each
• 13/16" Aluminum Dome Tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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List price $199.99
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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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$599.95 /set

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Kicker PS44 (40PS44)

200W Peak (100W RMS) 4" PS Series 2 Way Coaxial 4-ohm Powersports and Motorcycle Speakers

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200W Peak (100W RMS) 4" PS Series 2 Way Coaxial 4-ohm Powersports and Motorcycle Speakers

• 100 watts Peak Each, 50 watts RMS Each
• 3/4" Titanium Dome tweeters
• Protective speaker grilles included
• Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 85.8 dB
• Mounting Depth: 1-11/16"

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List price $149.99
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• 100 watts Peak Each, 50 watts RMS Each
• 3/4" Titanium Dome tweeters
• Protective speaker grilles included
• Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 85.8 dB
• Mounting Depth: 1-11/16"

Hertz CPX 165

570W Peak (190W RMS) 6.5" Cento Series 2-Way Coaxial 4-ohm Car Speakers

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570W Peak (190W RMS) 6.5" Cento Series 2-Way Coaxial 4-ohm Car Speakers

• 285 watts Peak Each, 95 watts RMS Each
• 0.9 Soft Tetolon Dome tweeters
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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List price $405.00
-14% $349.99 /pair

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Kicker KSS5 (51KSS504)

400W Peak (200W RMS) 5.25" KS Series 2 Way Component 4-ohm Speaker System

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400W Peak (200W RMS) 5.25" KS Series 2 Way Component 4-ohm Speaker System

• 200 watts Peak Each, 100 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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List price $279.99
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MTX Audio THUNDER52

180W Peak (90W RMS) 5.25" Thunder Series 2 Way Coaxial 4-ohm Speakers

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180W Peak (90W RMS) 5.25" Thunder Series 2 Way Coaxial 4-ohm Speakers

• 45 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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List price $119.95
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DS18 PRO-ZXI64BM (Sold Individually)

600W Peak (300W RMS) 6.5" ZXi Series Pro Audio Midrange Bullet 4-Ohm Loudspeaker

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600W Peak (300W RMS) 6.5" ZXi Series Pro Audio Midrange Bullet 4-Ohm Loudspeaker

• 600 watts Peak, 300 watts RMS
• 1" Aluminum Bullet Tweeter
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

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DS18 ZXI-44

300W Peak (100W RMS) 4" ZXI Series 2-way 4-ohm Coaxial Car Speakers

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300W Peak (100W RMS) 4" ZXI Series 2-way 4-ohm Coaxial Car Speakers

• 150 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Dome tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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$80.95 /pair

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MB Quart DK2-110

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

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

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