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Diamond Audio MS65NEO with Sound Damping

300W Peak (150W RMS) 6.5" MS Series Midrange Coaxial Car Speakers + NVX SDSK2 Sound Damping

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300W Peak (150W RMS) 6.5" MS Series Midrange Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 300 watts Max Each, 150 watts RMS Each
• Tweeters
• Waterproof black Dupont Kevlar cone and dust cap
• Impedance: 4 ohm
• Sensitivity: 94 dB
• Mounting Depth: 2.78"

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49
$784.98

In stock.

• 300 watts Max Each, 150 watts RMS Each
• Tweeters
• Waterproof black Dupont Kevlar cone and dust cap
• Impedance: 4 ohm
• Sensitivity: 94 dB
• Mounting Depth: 2.78"

Lowest price in 30 days

Infinity REF607CF with Installation Accessories

540W Peak (180W RMS) 6.5" Reference Series 2-way 4-ohm Component Speaker System + 6.5" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

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540W Peak (180W RMS) 6.5" Reference Series 2-way 4-ohm Component Speaker System + 6.5" Speaker Baffles + Sound Damping, Roller and Panel Removal Kit

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

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341
List price $337.66
-35% $220.01

In stock.

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

Lowest price in 30 days

Infinity REF607CF with Sound Damping

540W Peak (180W RMS) 6.5" Reference Series 2-way 4-ohm Component Speaker System + NVX SDSK2 Sound Damping

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540W Peak (180W RMS) 6.5" Reference Series 2-way 4-ohm Component Speaker System + NVX SDSK2 Sound Damping

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

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Fits your Optima
51
List price $268.69
-29% $190.94

In stock.

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

Hertz CK 165F with Sound Damping

270W Peak (90W RMS) 6.5" Cento Series 2-Way Flat-profile Component Speaker system + NVX SDSK2 Sound Damping

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270W Peak (90W RMS) 6.5" Cento Series 2-Way Flat-profile Component Speaker system + NVX SDSK2 Sound Damping

• 135 Watts Max Each, 45 Watts RMS Each
•Semi Pressed Paper-Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 93 dB

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48
List price $498.74
-17% $414.98

Available

Ships in 10-14 days

• 135 Watts Max Each, 45 Watts RMS Each
•Semi Pressed Paper-Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 93 dB

Diamond Audio MP84 with Sound Damping

400W MAX (200W RMS) 8" PRO Full-Range Coaxial Horn Speakers + NVX SDSK2 Sound Damping

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400W MAX (200W RMS) 8" PRO Full-Range Coaxial Horn Speakers + NVX SDSK2 Sound Damping

• 400 watts Max Each, 200 watts RMS Each
• 1" Aluminum Horn Tweeters
• Heavy duty die-cast aluminum basket
• Advanced voice coil heat sink design for better heat dissipation
• Sensitivity: 103 dB
• Mounting Depth: 7.09"

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48
$564.98

In stock.

• 400 watts Max Each, 200 watts RMS Each
• 1" Aluminum Horn Tweeters
• Heavy duty die-cast aluminum basket
• Advanced voice coil heat sink design for better heat dissipation
• Sensitivity: 103 dB
• Mounting Depth: 7.09"

Alpine HDZ-65CS with Sound Damping

600W Peak (200W RMS) 6.5” Status Series 2-way Component Speaker System + NVX SDSK2 Sound Damping

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600W Peak (200W RMS) 6.5” Status Series 2-way Component Speaker System + NVX SDSK2 Sound Damping

• 300 watts Peak Each, 100 watts RMS Each
• 1" Dome Tweeters
• Carbon Composite cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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48
List price $1098.74
-33% $734.94

Available

Ships in 10-14 days

• 300 watts Peak Each, 100 watts RMS Each
• 1" Dome Tweeters
• Carbon Composite cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Diamond Audio H65A with Sound Damping

300W Peak (150W RMS) 6.5" HEX Series 2-Way Component Speaker System + NVX SDSK2 Sound Damping

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300W Peak (150W RMS) 6.5" HEX Series 2-Way Component Speaker System + NVX SDSK2 Sound Damping

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

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Fits your Optima
48
$784.98

In stock.

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

Diamond Audio H65S with Sound Damping

300W Peak (150W RMS) 6.5" HEX Series 2-Way Component Speaker System + NVX SDSK2 Sound Damping

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300W Peak (150W RMS) 6.5" HEX Series 2-Way Component Speaker System + NVX SDSK2 Sound Damping

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

Save 15% Off Package Deals at Checkout!
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Fits your Optima
48
$784.98

In stock.

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

Hertz SX 200 NEO with Sound Damping

520W Peak (260W RMS) 8" NEO SPL Series 2-way 4-ohms coaxial car speakers + NVX SDSK2 Sound Damping

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520W Peak (260W RMS) 8" NEO SPL Series 2-way 4-ohms coaxial car speakers + NVX SDSK2 Sound Damping

• 260 watts Peak Each, 130 watts RMS Each
• 1-3/4" PEI (Polyetherimide) Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 99.5 dB

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49
List price $723.74
-15% $614.98

Available

Ships in 10-14 days

• 260 watts Peak Each, 130 watts RMS Each
• 1-3/4" PEI (Polyetherimide) Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 99.5 dB

MB Quart QSE-216 with Sound Damping

720W Peak (340W RMS) 6.5" Q Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

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720W Peak (340W RMS) 6.5" Q Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

• 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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48
List price $1218.73
-17% $1,014.98

In stock.

• 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

Rockford Fosgate T4652-S (T-4652-S) with Sound Damping

600W Peak (300W RMS) 6.5" Power Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

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600W Peak (300W RMS) 6.5" Power Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

• 300 watts Peak Each, 150 watts RMS Each
• 1" Liquid Crystal Polymer (LCP) Dome tweeters
• Liquid Crystal Polymer (LCP) cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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48
List price $1418.73
$1,414.98

Available

Ships in 10-14 days

• 300 watts Peak Each, 150 watts RMS Each
• 1" Liquid Crystal Polymer (LCP) Dome tweeters
• Liquid Crystal Polymer (LCP) cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Diamond Audio DMD42 with Sound Damping

120W Peak (60W RMS) 4" DMD Series 2-way Coaxial Car Speakers + NVX SDSK2 Sound Damping

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120W Peak (60W RMS) 4" DMD Series 2-way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

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48
List price $138.73
-10% $124.98

In stock.

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

JBL GX428 (JBLGX428AM) with Sound Damping

210W Peak (70W RMS) 4" GX Series 2-way 2.3-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

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210W Peak (70W RMS) 4" GX Series 2-way 2.3-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 105 watts Peak Each, 35 watts RMS Each
• Edge-driven Soft Dome tweeters with deflector
• Polypropylene Plus One woofer cone material
• Impedance: 2.3 ohm
• Sensitivity: 90 dB

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48
$79.94

Available

Ships in 10-14 days

• 105 watts Peak Each, 35 watts RMS Each
• Edge-driven Soft Dome tweeters with deflector
• Polypropylene Plus One woofer cone material
• Impedance: 2.3 ohm
• Sensitivity: 90 dB

Massive Audio MA6 (Sold Individually) with Sound Damping

280W Peak (140W RMS) 6.5" MA Series 8-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

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280W Peak (140W RMS) 6.5" MA Series 8-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

• 280 watts Peak Each, 140 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 dB

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50
List price $68.23
-27% $49.98

Available

Ships in 10-14 days

• 280 watts Peak Each, 140 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96 dB

Massive Audio MX4 with Sound Damping

300W Peak (60W RMS) 4" MX Series 2-way 4-ohm Coaxial Car Speakers+ NVX SDBSK2 Premium Sound Damping

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300W Peak (60W RMS) 4" MX Series 2-way 4-ohm Coaxial Car Speakers+ NVX SDBSK2 Premium Sound Damping

• 150 watts Peak Each, 30 watts RMS Each
• 0.51" Hard diaphragm Dome tweeters with ferro-fluid cooled VC
• Laminate-Treated Paper cone material
• 2 custom painted metal speaker grilles Included
• Impedance: 4 ohm
• Sensitivity: 91.5 dB

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49
List price $68.73
-20% $54.98

Available

Ships in 10-14 days

• 150 watts Peak Each, 30 watts RMS Each
• 0.51" Hard diaphragm Dome tweeters with ferro-fluid cooled VC
• Laminate-Treated Paper cone material
• 2 custom painted metal speaker grilles Included
• Impedance: 4 ohm
• Sensitivity: 91.5 dB

Massive Audio M6XL (Sold Individually) with Sound Damping

400W Peak (200W RMS) 6.5" 8-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

M6XL_SDBSK2 big
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400W Peak (200W RMS) 6.5" 8-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

• 400 watts Peak Each, 200 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 97 dB

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48
List price $93.73
-31% $64.98

Available

Ships in 10-14 days

• 400 watts Peak Each, 200 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 97 dB

Massive Audio MB6 (Sold Individually) with Sound Damping

300W Peak (150W RMS) 6.5" MB Series 4-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

MB6_SDBSK2 big
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300W Peak (150W RMS) 6.5" MB Series 4-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

• 300 watts Peak Each, 150 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 97 dB

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48
List price $88.73
-21% $69.98

Available

Ships in 10-14 days

• 300 watts Peak Each, 150 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 ohm
• Sensitivity: 97 dB

Massive Audio MC 8II (Sold Individually) with Sound Damping

600W Peak (200W RMS) 8" MC Series 8-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

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600W Peak (200W RMS) 8" MC Series 8-ohm Pro-Audio Midrange Car Speaker + NVX SDBSK2 Premium Sound Damping

• 600 watts Peak Each, 200 watts RMS Each
• Kevlar-Enhanced Paper cone material
• Impedance: 8 ohm
• Sensitivity: 98.1 dB

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48
List price $118.73
-20% $94.98

Available

Ships in 10-14 days

• 600 watts Peak Each, 200 watts RMS Each
• Kevlar-Enhanced Paper cone material
• Impedance: 8 ohm
• Sensitivity: 98.1 dB

DS18 PRO-X6MSE (Sold Individually) with Sound Damping

450W Peak (225W RMS) 6.5” PRO-X Series 8-ohm Mid-Range Loudspeaker + NVX SDBSK2 Premium Sound Damping

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450W Peak (225W RMS) 6.5” PRO-X Series 8-ohm Mid-Range Loudspeaker + NVX SDBSK2 Premium Sound Damping

• 450 watts Peak Each, 225 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 95 dB

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48
List price $66.69
-12% $58.44

In stock.

• 450 watts Peak Each, 225 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 95 dB

DS18 PRO-X6.4MSQ (Sold Individually) with Sound Damping

500W Peak (250W RMS) 6.5"x6.5" PRO-X Series 4-ohm Square Midrange Loudspeaker + NVX SDBSK2 Premium Sound Damping

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500W Peak (250W RMS) 6.5"x6.5" PRO-X Series 4-ohm Square Midrange Loudspeaker + NVX SDBSK2 Premium Sound Damping

• 500 watts Peak Each, 250 watts RMS Each
• Square midrange construction
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

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48
List price $78.69
-22% $61.45

In stock.

• 500 watts Peak Each, 250 watts RMS Each
• Square midrange construction
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

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    FAQ for Speakers in 2020 Optima

    Q: Can I upgrade or change the Speakers in 2020 Kia Optima?

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

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

    • You see only parts engineered for your exact vehicle
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.