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DS18 G5.25Xi

270W Peak (90W RMS) 5.25" GEN-X Series 2-way 4-ohm Coaxial Speakers

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270W Peak (90W RMS) 5.25" GEN-X Series 2-way 4-ohm Coaxial Speakers

• 135 watts Peak Each, 45 watts RMS Each
• 1" Mylar Balanced Dome tweeters with neodynium magnets
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

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$50.95 /pair

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DS18 PRO-X4M (Sold Individually)

200W Peak (100W RMS) 4" PRO-X Series 8-ohm Mid-range Speaker

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200W Peak (100W RMS) 4" PRO-X Series 8-ohm Mid-range Speaker

• 200 watts Peak Each, 100 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 85.7 dB

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$37.95

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MTX TERMINATOR4

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

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

• 60 watts Peak Each, 30 watts RMS Each
• Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88.1 dB

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List price $64.95
-15% $54.95 /pair

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Diamond Audio H65A

300W Peak (150W RMS) 6.5" HEX Series 2-Way 4-ohm Component Speaker System

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300W Peak (150W RMS) 6.5" HEX Series 2-Way 4-ohm Component Speaker System

• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome Tweeters
• Anodized Aluminum cone material
• Impedance: 4 ohm
• Sensitivity: 88.3 dB

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$769.99 /set

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MB Quart RS1-213

220W Peak (110W RMS) 5.25" Reference Series 2-Way 4-ohm Component Speaker System

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220W Peak (110W RMS) 5.25" Reference Series 2-Way 4-ohm Component Speaker System

• 110 watts Peak Each, 55 watts RMS Each
• 3/4" Titanium Dome tweeters
• Tunable waveguide tweeter housing
• Bamboo Fiber cone material
• Tweeters constructed with WideSphere™ Technology
• Impedance: 4 ohm
• Sensitivity: 86 dB

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List price $149.95
-13% $129.95 /set

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Ships in 10-14 days

Diamond Audio H600S

340W Peak (170W RMS) 6.75" HEX Series 2-Way Component 4-ohm Speakers

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340W Peak (170W RMS) 6.75" HEX Series 2-Way Component 4-ohm Speakers

• 170 watts Peak Each, 85 watts RMS Each
• 1" Silk Dome Tweeters
• Kevlar Composite hexagonal cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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$749.99 /set

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Diamond Audio DES652

240W Peak (120W RMS) 6.5" Diamond Elite Series 2-Way Coaxial 4-ohm Car Speakers

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240W Peak (120W RMS) 6.5" Diamond Elite Series 2-Way Coaxial 4-ohm Car Speakers

• 120 watts Peak Each, 60 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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$229.99 /pair

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Kicker PS42 (40PS42)

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

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200W Peak (100W RMS) 4” PS Series 2 Way Coaxial 2-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: 2 ohm
• Sensitivity: 85.8 dB
• Mounting Depth: 1-11/16"

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List price $149.99
Save $46.03
-31% $103.96 /pair

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• 100 watts Peak Each, 50 watts RMS Each
• 3/4" Titanium Dome tweeters
• Protective speaker grilles included
• Polypropylene Material
• Impedance: 2 ohm
• Sensitivity: 85.8 dB
• Mounting Depth: 1-11/16"

Limited time!

Boss Elite BE423

450W Peak 4" Rage Series 3-Way Coaxial 4-ohm Car Speakers with Blue LED Light

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450W Peak 4" Rage Series 3-Way Coaxial 4-ohm Car Speakers with Blue LED Light

• 225 watts Peak
• 1/2" and 1.25" Piezo Dome Tweeters
• Polypropylene cone material
• Features integrated blue LED illumination
• Impedance: 4 ohm
• Sensitivity: 90 dB

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List price $66.99
-18% $54.99 /pair

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DS18 PRO-FR5NEO (Sold Individually)

400W Peak (200W RMS) 5.25” PRO-FR Series 4-ohm Full-Range Bullet Loudspeaker

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400W Peak (200W RMS) 5.25” PRO-FR Series 4-ohm Full-Range Bullet Loudspeaker

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

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$119.95

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Diamond Audio MS65NEO

1200W Peak (600W RMS) 6.5" MS Series Midrange 4-ohm Car Speakers

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1200W Peak (600W RMS) 6.5" MS Series Midrange 4-ohm Car Speakers

• 600 watts Peak Each, 300 watts RMS Each
• Waterproof DUPONT™ Kevlar cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB
• Mounting Depth: 2.78"

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$769.99 /pair

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• 600 watts Peak Each, 300 watts RMS Each
• Waterproof DUPONT™ Kevlar cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB
• Mounting Depth: 2.78"

MB Quart QSE-216

720W Peak (340W RMS) 6.5" Q Series 2 Way Component 4-ohm Speaker System

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720W Peak (340W RMS) 6.5" Q Series 2 Way Component 4-ohm Speaker System

• 360 watts Peak Each, 170 watts RMS Each
• 1" Titanium Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 85.5 dB

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List price $1199.99
-17% $999.99 /set

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JL Audio C1-650x (Open Box, Great)

150W Peak (100W RMS) 6.5" Evolution C1 Series 2-way 4-ohm Coaxial Car Speakers

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150W Peak (100W RMS) 6.5" Evolution C1 Series 2-way 4-ohm Coaxial Car Speakers

• 75 watts Peak Each, 50 watts RMS Each
• 3/4" Silk-suspended Aluminum Dome ferrofluid-cooled tweeters with neodymium magnets
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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List price $129.99
-15% $110.49 /pair

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Massive Audio MX4

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

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

• 150 watts Peak Each, 30 watts RMS Each
• 1/2" PEI (Polyetherimide) Dome tweeters
• Tweeters constructed with ferro fluid cooled voice coil
• Laminate-Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 91.5 dB

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List price $49.99
-20% $39.99 /pair

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Hertz MLK 1650.3 Legend

600W Peak (300W RMS) 6.5" Mille Legend Series 2-way 4-ohm Component Speaker System

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600W Peak (300W RMS) 6.5" Mille Legend Series 2-way 4-ohm Component Speaker System

• 300 watts Peak Each, 150 watts RMS Each
• 1" Tetolon Dome tweeters
• Pressed Pulp Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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List price $2115.00
-10% $1,899.99 /set

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Available Offers (2) for Hertz MLK 1650.3 Legend
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List price $2115.00
-10% $1,899.99
$1,519.99 with coupon | Price details
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American Bass STALLION-6.5-MR (Sold Individually)

700W Peak (350W RMS) 6.5" Stallion Series Midrange 4-ohm Speaker

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700W Peak (350W RMS) 6.5" Stallion Series Midrange 4-ohm Speaker

• 700 watts Peak Each, 350 watts RMS Each
• Impedance: 4 ohm
• Sensitivity: 98.5 dB

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List price $183.48
-38% $114.24

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Massive Audio M6S (Sold Individually)

300W Peak (130W RMS) 6.5" M Series 4-ohm Shallow Mid-Range Car Speaker

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300W Peak (130W RMS) 6.5" M Series 4-ohm Shallow Mid-Range Car Speaker

• 300 watts Peak Each, 130 watts RMS Each
• Laminate-Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 100 dB
• Ultra shallow mounting depth

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List price $84.99
-24% $64.99

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DS18 PRO-CF6.4SLN (Sold Individually)

300W Peak (150W RMS) 6.5" PRO Series Shallow Midrange 4-ohm Motorcycle and Powersports Loudspeaker

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300W Peak (150W RMS) 6.5" PRO Series Shallow Midrange 4-ohm Motorcycle and Powersports Loudspeaker

• 300 watts Peak, 150 watts RMS
• Water Resistant Carbon Fiber
• Impedance: 4 ohm
• Sensitivity: 93 dB

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• 300 watts Peak, 150 watts RMS
• Water Resistant Carbon Fiber
• Impedance: 4 ohm
• Sensitivity: 93 dB

American Bass GF-6.5-MR (Sold Individually)

600W Peak (300W RMS) 6.5" Godfather Series Midrange 4-ohm Speaker

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600W Peak (300W RMS) 6.5" Godfather Series Midrange 4-ohm Speaker

• 600 watts Peak, 300 watts RMS
• Impedance: 4 ohm
• Sensitivity: 103 dB
• Steel stamped basket

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List price $72.58
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• 600 watts Peak, 300 watts RMS
• Impedance: 4 ohm
• Sensitivity: 103 dB
• Steel stamped basket

Limited time!

DS18 PRO-CF6.2SLN (Sold Individually)

300W Peak (150W RMS) 6.5" Pro Audio Midrange 2-ohm Shallow Motorcycle and Powersports Loudspeaker

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300W Peak (150W RMS) 6.5" Pro Audio Midrange 2-ohm Shallow Motorcycle and Powersports Loudspeaker

• 300 watts Peak, 150 watts RMS
• Water Resistant Carbon Fiber
• Impedance: 2 ohm
• Sensitivity: 93 dB

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• 300 watts Peak, 150 watts RMS
• Water Resistant Carbon Fiber
• Impedance: 2 ohm
• Sensitivity: 93 dB

NVX - Worth the Envy - Direct to Consumer Car Audio

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    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
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    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
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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.