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Sundown Audio SA-6.5CS v.3 (SA6.5CS)

250W RMS 6.5" SA Series 2 Way Component Speaker System (S-SA6.5CSV3)

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250W RMS 6.5" SA Series 2 Way Component Speaker System (S-SA6.5CSV3)

• 125 watts RMS Each
• Silk Dome Tweeters
• Carbon Fiber cone material
• Sensitivity: 24 dB

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List price $479.99
-17% $399.99 /pair

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Sundown Audio E65CS

100W RMS 6.5" E Series Component 4-ohm Speakers (E6.5CS)

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100W RMS 6.5" E Series Component 4-ohm Speakers (E6.5CS)

• 100 watts RMS Each
• Titanium Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm

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List price $239.99
-17% $199.99 /set

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Sundown Audio E-6.5CX

120W RMS 6.5" E Series Coaxial 4-ohm Speakers (S-E6.5CX)

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120W RMS 6.5" E Series Coaxial 4-ohm Speakers (S-E6.5CX)

• 60 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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Sundown Audio SA-8M 8" (SA8M)

500W Peak (260W RMS) 8" SA Series Mid-Bass 4-ohm Speakers (S-SA8M)

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500W Peak (260W RMS) 8" SA Series Mid-Bass 4-ohm Speakers (S-SA8M)

• 250 watts Peak Each, 130 watts RMS Each
• Woven Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 91.5 dB

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List price $479.99
-17% $399.99 /pair

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Sundown Audio LCMR-6.5 (LCMR6.58)

100W RMS 6.5" LCMR Series Pro-Audio Midrange 8-ohm Speaker (S-LCMR6.58)

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100W RMS 6.5" LCMR Series Pro-Audio Midrange 8-ohm Speaker (S-LCMR6.58)

• 100 watts RMS Each
&bull Phase plug included
• Impedance: 8 ohm
• Sensitivity: 92 dB

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List price $71.99
-17% $59.99

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Sundown Audio VEX-6.5 (VEX-658)

200W RMS 6.5" VEX Series Pro-Audio Midrange 8-ohm Speaker (S-VEX658)

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200W RMS 6.5" VEX Series Pro-Audio Midrange 8-ohm Speaker (S-VEX658)

• 200 watts RMS Each
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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List price $249.99
-24% $189.99

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Sundown Audio ECX 8 (ECX8)

60W RMS 8" ECX Series 2 Way Coaxial Pro Audio 4-ohm Speaker (S-ECX8)

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60W RMS 8" ECX Series 2 Way Coaxial Pro Audio 4-ohm Speaker (S-ECX8)

• 60 watts RMS Each
• Horn Tweeters
• Impedance:
• Sensitivity: 94 dB

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List price $83.99
-17% $69.99

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Sundown Audio ECX 6.5 (ECX6.5)

50W RMS 6.5" ECX Series 2 Way Coaxial Pro Audio 4-ohm Speaker (S-ECX6.5)

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50W RMS 6.5" ECX Series 2 Way Coaxial Pro Audio 4-ohm Speaker (S-ECX6.5)

• 50 watts RMS Each
• Horn Tweeters
• Impedance: 4 ohm
• Sensitivity: 94 dB

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Install kits available for most vehicles

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List price $71.99
-17% $59.99

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Sundown Audio LCMR-8 (LCMR88)

100W RMS 8" LCMR Series Pro Audio Midrange 8-ohm Speaker (S-LCMR88)

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100W RMS 8" LCMR Series Pro Audio Midrange 8-ohm Speaker (S-LCMR88)

• 100 watts RMS Each
• Impedance: 8 ohm
• Sensitivity: 94 dB

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List price $83.99
-17% $69.99

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Sundown Audio VEX-8 (VEX-88)

300W RMS 8" VEX Series Pro Audio Midrange 8-ohm Speaker (S-VEX84)

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300W RMS 8" VEX Series Pro Audio Midrange 8-ohm Speaker (S-VEX84)

• 300 watts RMS Each
• Carbon Fiber cone material
• Impedance: 8 ohm
• Sensitivity: 94.3 dB

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List price $275.99
-17% $229.99

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Sundown Audio VEX-12 S8 (Sold Individually)

500W RMS 12" VEX Series Pro-Audio Midrange 8-ohm Speaker (S-VEX128)

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500W RMS 12" VEX Series Pro-Audio Midrange 8-ohm Speaker (S-VEX128)

• 500 watts RMS Each
• Carbon Fiber cone material
• Impedance: 8 ohm

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List price $443.99
-17% $369.99

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Sundown Audio SA-6.5M 6.5" (SA65M)

400W Peak (200W RMS) 6.5" SA Series Midrange 4-ohm Speakers (S-SA6.5M)

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400W Peak (200W RMS) 6.5" SA Series Midrange 4-ohm Speakers (S-SA6.5M)

• 200 watts Peak Each, 100 watts RMS Each
• Woven Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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List price $419.99
-17% $349.99 /pair

Available

Ships in 10-14 days

Sundown Audio NeoPro 6.5" v.4 (Sold Individually)

300W RMS 6.5" NEO Series Pro Audio Midrange 8-ohm Speaker (S-NEOPROV46.58)

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300W RMS 6.5" NEO Series Pro Audio Midrange 8-ohm Speaker (S-NEOPROV46.58)

• 300 watts RMS each
• Carbon Fiber cone material
• Impedance: 8 ohm
• Sensitivity: 94.7 dB

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List price $227.99
-17% $189.99

Available

Ships in 10-14 days

Sundown Audio VEX-6.5 (VEX-654)

200W RMS 6.5" VEX Series Pro-Audio Midrange 4-ohm Speaker (S-VEX654)

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200W RMS 6.5" VEX Series Pro-Audio Midrange 4-ohm Speaker (S-VEX654)

• 200 watts RMS Each
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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Install kits available for most vehicles

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List price $249.99
-24% $189.99

Available

Ships in 10-14 days

Sundown Audio NeoPro 6.5" v.4

300W RMS 6.5" NEO Series Pro Audio Midrange 4-ohm Speaker (S-NEOPROV46.54)

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300W RMS 6.5" NEO Series Pro Audio Midrange 4-ohm Speaker (S-NEOPROV46.54)

• 300 watts RMS each
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 94.7 dB

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Install kits available for most vehicles

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Fits multiple locations in your Optima
List price $227.99
-17% $189.99

Available

Ships in 10-14 days

Sundown Audio LCMR-8 (LCMR84)

100W RMS 8" LCMR Series Pro Audio Midrange 4-ohm Speaker (S-LCMR84)

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100W RMS 8" LCMR Series Pro Audio Midrange 4-ohm Speaker (S-LCMR84)

• 100 watts RMS Each
• Impedance: 4 ohm
• Sensitivity: 94 dB

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List price $83.99
-17% $69.99

Available

Ships in 10-14 days

Sundown Audio SA-3M 3" (SA3M)

300W RMS 3" SA Series Midrange 4-ohm Speakers (S-SA3M)

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300W RMS 3" SA Series Midrange 4-ohm Speakers (S-SA3M)

• 150 watts RMS Each
• Woven Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

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List price $239.99
-17% $199.99 /pair

• 150 watts RMS Each
• Woven Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

Sundown Audio SA-6.5CX v.2 (SA6.5CX)

240W RMS 6.5" SA Series Coaxial Speakers (S-SA6.5CXV2)

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240W RMS 6.5" SA Series Coaxial Speakers (S-SA6.5CXV2)

• 160 watts Peak Each, 120 watts RMS Each
• Silk Dome tweeters
• Hybrid Fiber cone material

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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your Optima
1
List price $239.99
-17% $199.99 /pair

• 160 watts Peak Each, 120 watts RMS Each
• Silk Dome tweeters
• Hybrid Fiber cone material

Sundown Audio NeoPro-8 v.4 (Sold Individually)

320W RMS 8" NEO Series Pro Audio Midrange 4-ohm Speaker (S-NEOPROV484)

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320W RMS 8" NEO Series Pro Audio Midrange 4-ohm Speaker (S-NEOPROV484)

• 320 watts RMS each
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 95.5 dB

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Install kits available for most vehicles

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List price $275.99
-28% $199.99

• 320 watts RMS each
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 95.5 dB

Sundown Audio NeoPro-8 v.4 (Sold Individually)

320W RMS 8" NEO Series Pro Audio Midrange 8-ohm Speaker (S-NEOPROV488)

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320W RMS 8" NEO Series Pro Audio Midrange 8-ohm Speaker (S-NEOPROV488)

• 320 watts RMS each
• cone material
• Impedance: 8 ohm
• Sensitivity: 95.5 dB

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Install kits available for most vehicles

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List price $275.99
-28% $199.99

• 320 watts RMS each
• cone material
• Impedance: 8 ohm
• Sensitivity: 95.5 dB

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    FAQ for Speakers in 2011 Optima

    Q: Can I upgrade or change the Speakers in 2011 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:

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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.