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Earthquake Sound T65

800W Peak 6.5" TNT Series 2-Way Coaxial 4-ohm Car Speakers

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800W Peak 6.5" TNT Series 2-Way Coaxial 4-ohm Car Speakers

• 400 watts Peak Each
• 1.18" Mylar Dome Tweeters
• Poly-Injection cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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$135.99 /pair

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Infinity REF607CF (INFSPKRF607CFUS)

540W Peak (180W RMS) 6.5" Reference Series 2 Way 3-ohm Component Speaker System

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540W Peak (180W RMS) 6.5" Reference Series 2 Way 3-ohm Component Speaker System

• 270 watts Peak Each, 90 watts RMS Each
• 3/4" Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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List price $249.95
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Earthquake Sound VTEK-62

1000W RMS 6.5" VTEK Series 2-Way Coaxial 4-ohm Car Speakers

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1000W RMS 6.5" VTEK Series 2-Way Coaxial 4-ohm Car Speakers

• 500 watts RMS Each
• 3/4" Silk Dome swiveling tweeters
• Glass Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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List price $179.00
-24% $135.99 /pair

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Hertz MPK165P.3

460W Peak (230W RMS) 6.5" Mille PRO Series 2-way 3-ohm Component Speaker System

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460W Peak (230W RMS) 6.5" Mille PRO Series 2-way 3-ohm Component Speaker System

• 230 watts Peak Each, 115 watts RMS Each
• Tetolon Soft Dome tweeters
• Pressed Pulp Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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List price $765.00
-15% $649.99 /set

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Cerwin-Vega V65C

840W Peak (280W RMS) 6.5" Vega Series 2025 Edition 2-Way Component 4-ohm Speaker System

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840W Peak (280W RMS) 6.5" Vega Series 2025 Edition 2-Way Component 4-ohm Speaker System

• 420 watts Peak Each, 140 watts RMS Each
• 1" Silk Balanced Dome Tweeters
• Carbon Fiber Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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$279.99 /set

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DS18 PRO-CF6.4SL (Sold Individually)

500W Peak (250W RMS) 6.5” PRO Series Water-Resistant Motorcycle and Motorsports Mid-Bass Loudspeaker

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500W Peak (250W RMS) 6.5” PRO Series Water-Resistant Motorcycle and Motorsports Mid-Bass Loudspeaker

• Peak Each, RMS Each
• Water Resistant Carbon Fiber material
• Impedance: 4 ohm
• Sensitivity: 95 dB
Priced Per Each Speaker

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DS18 PRO-CUPOLA2 (Sold Individually)

300W Peak (100W RMS) 4" Pro Audio Soft Dome Midrange 4-ohm Loudspeaker

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300W Peak (100W RMS) 4" Pro Audio Soft Dome Midrange 4-ohm Loudspeaker

• 300 watts Peak, 100 watts RMS
• Coated non-resonant soft dome material
• Ultra-high sound quality
• Perfect for studio monitors or Hi-Fi applications
• Impedance: 4 ohm
• Sensitivity: 95 dB

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List price $119.99
-17% $99.95

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Alpine S2-S40C

280W Peak (90W RMS) 4" S-Series Hi-Res 2-Way Component Car Speakers

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280W Peak (90W RMS) 4" S-Series Hi-Res 2-Way Component Car Speakers

• 140 watts Peak Each, 45 watts RMS Each
• Hi-Res Audio Certified
• 1" Cloth Dome Tweeters
• Adjustable tweeters with threaded removable housing
• Polypropylene, Glass Fiber and Mica cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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List price $180.00
-17% $149.95 /set

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DS18 PRO-CF6.4

600W Peak (300W RMS) 6.5" PRO Series Midrange 4-ohm Motorcycle and Powersports Loudspeaker

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600W Peak (300W RMS) 6.5" PRO Series Midrange 4-ohm Motorcycle and Powersports Loudspeaker

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

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

Limited time!

NVX NSP65 - Open Box, Great

540W Peak (180W RMS) 6.5" N-Series 2-Way Coaxial Speakers with 20mm Silk Dome Tweeters

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540W Peak (180W RMS) 6.5" N-Series 2-Way Coaxial Speakers with 20mm Silk Dome Tweeters

• 270 watts Peak Each, 90 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB
• Mounting Depth: 2.40"

10% Off Open Box!
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List price $83.99
-35% $54.99 /pair
$49.49 with coupon | Price details

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JBL STAGE2524 (STAGE2 524)

420W Peak (70W RMS) 5.25" Stage2 Series 2 Way Coaxial 4-ohm Speakers

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420W Peak (70W RMS) 5.25" Stage2 Series 2 Way Coaxial 4-ohm Speakers

• 210 watts Peak Each, 35 watts RMS Each
• PEI (Polyetherimide) Balanced Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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List price $89.99
-44% $49.95 /pair

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Pioneer TS-A1601C

700W Peak (160W RMS) 6.5” A-Series 2-way 4-ohm Component Speaker System

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700W Peak (160W RMS) 6.5” A-Series 2-way 4-ohm Component Speaker System

• 350 watts Peak Each, 80 watts RMS Each
• 13/16" PEI (Polyetherimide) Dome Tweeters
• Carbon and Mica Reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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List price $180.00
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MTX PS65C

340W Peak (170W RMS) 6.5" 2-Way Coaxial 4-ohm All-Weather Speakers with RGB LED Lighting

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340W Peak (170W RMS) 6.5" 2-Way Coaxial 4-ohm All-Weather Speakers with RGB LED Lighting

• 170 watts Peak Each, 85 watts RMS Each
• Dual Teteron Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 2-1/2"

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List price $219.95
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-9% $199.96 /pair

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• 170 watts Peak Each, 85 watts RMS Each
• Dual Teteron Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 2-1/2"

DS18 6PRO600SE-8 (Sold Individually)

600W Peak (300W RMS) 6.5" Pro Audio Midrange 4-ohm Loudspeaker

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600W Peak (300W RMS) 6.5" Pro Audio Midrange 4-ohm Loudspeaker

• 600 watts Peak, 300 watts RMS
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 dB

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Pioneer TS-Z65C

600W Peak (200W RMS) 6.5" Z-Series 2-Way 4-ohm Component Speaker System

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600W Peak (200W RMS) 6.5" Z-Series 2-Way 4-ohm Component Speaker System

• 300 watts Peak Each, 100 watts RMS Each
• 1-1/8" Aluminum Alloy Balanced Dome Tweeters
• Twaron Aramid Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB
• Mounting Depth: 2-1/2"

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List price $350.00
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• 300 watts Peak Each, 100 watts RMS Each
• 1-1/8" Aluminum Alloy Balanced Dome Tweeters
• Twaron Aramid Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB
• Mounting Depth: 2-1/2"

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Pioneer TS-G1020S

420W Peak (60W RMS) 4" G-Series 2-way 4-ohm Coaxial Car Speakers

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420W Peak (60W RMS) 4" G-Series 2-way 4-ohm Coaxial Car Speakers

• 210 watts Peak Each, 30 watts RMS Each
• 1-3/16" Polyethylene Terephthalate (PET) Balanced Dome tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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List price $65.00
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Pioneer TS-D65C

540W Peak (180W RMS) 6.5" D-Series 2-Way 4-ohm Component Speaker System

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540W Peak (180W RMS) 6.5" D-Series 2-Way 4-ohm Component Speaker System

• 270 watts Peak Each, 90 watts RMS Each
• 1" Polyester Fiber Dome tweeters
• Aramid fiber reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB
• Mounting Depth: 2-1/2"

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List price $250.00
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-42% $144.50 /set

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• 270 watts Peak Each, 90 watts RMS Each
• 1" Polyester Fiber Dome tweeters
• Aramid fiber reinforced Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB
• Mounting Depth: 2-1/2"

Limited time!

DS18 PRO-X6.4BM (Sold Individually)

500W Peak (250W RMS) 6.5” PRO-X Series 4-ohm Mid-Range Loudspeaker

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500W Peak (250W RMS) 6.5” PRO-X Series 4-ohm Mid-Range Loudspeaker

• 500 watts Peak Each, 250 watts RMS Each
• Red Aluminum Bullet tweeters
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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Diamond Audio DMDX4

180W Peak (60W RMS) 4" DMD Series 2-Way Cocentric Coaxial 4-ohm Speakers

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180W Peak (60W RMS) 4" DMD Series 2-Way Cocentric Coaxial 4-ohm Speakers

• 90 watts Peak Each, 30 watts RMS Each
• Dome Tweeters
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 82 dB

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$109.99 /pair

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Earthquake Sound Focus FC6.2

600W Peak 6.5" Focus Series 2-way 4-ohm Component Speaker System

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600W Peak 6.5" Focus Series 2-way 4-ohm Component Speaker System

• 600 watts Peak Each, RMS Each
• 1" Silk Dome tweeters with neodymium magnets
• Low-Mass Poly Injection cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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List price $206.00
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    We love people and we're ready to help you! See what separates us from our competition.

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    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.