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2011 Kia Optima

Universal gear includes car amplifiers, subs, and other products that do not install in a specific location or require fitment to integrate with a vehicle.

Universal-Fit Audio for 2011 Kia Optima

When thinking of universal gear, we consider products like a car amp that gives more power to your speakers or subs, cell phone chargers, equalizers and sound processors, rear-seat entertainment and video monitors, as well as dash cameras.

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Sundown Audio SA-1T (SA1T)

65W RMS 1" SA Series Version 4 4-ohm Tweeters (S-SA1T)

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65W RMS 1" SA Series Version 4 4-ohm Tweeters (S-SA1T)

• 1" SA Series Tweeters
• 65 watts RMS
• 4 ohm Impedance

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Install kits available for most vehicles

additional information required
Fits select locations in your Optima.
Add vehicle details to confirm exact location.
List price $179.99
-17% $149.99 /pair

In stock

Only 2 Left!

• 1" SA Series Tweeters
• 65 watts RMS
• 4 ohm Impedance

The Install Bay VXT60

XTC 6-1/2" Round Large Frame Foam Acoustic Speaker Baffles

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XTC 6-1/2" Round Large Frame Foam Acoustic Speaker Baffles

• Large Frame Speaker Baffles
• Made from a Waterproof Foam
• Greatly Enhances the Sound and Performance of the Speakers
• Reduces Panel Vibration

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found car based on your search
Fits your Optima
18
List price $25.99
-12% $22.99

In stock

Only 2 Left!

• Large Frame Speaker Baffles
• Made from a Waterproof Foam
• Greatly Enhances the Sound and Performance of the Speakers
• Reduces Panel Vibration

Install Bay IBBAF65

Acoustic Speaker Baffles 6.5 inch - Pair

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Acoustic Speaker Baffles 6.5 inch - Pair

• 6.5" Acoustic Speaker Baffles
• Sold in Pairs
• Enhances sound quality of speakers
• Protects Rear of Speakers From Rain, etc.
• Trim for Enhanced Bass Response

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Fits your Optima
12
List price $13.99
-14% $11.99

In stock

• 6.5" Acoustic Speaker Baffles
• Sold in Pairs
• Enhances sound quality of speakers
• Protects Rear of Speakers From Rain, etc.
• Trim for Enhanced Bass Response

Diamond Audio DMDXTK

135W Peak (45W RMS) 0.75" DMDX Series Add-On Component Car Tweeters

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135W Peak (45W RMS) 0.75" DMDX Series Add-On Component Car Tweeters

• 3/4" DMDX Series Tweeters
• 135 watts Peak Each
• 45 watts RMS Each
• 4 ohm Impedance

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Install kits available for most vehicles

additional information required
Fits select locations in your Optima.
Add vehicle details to confirm exact location.
$99.99 /pair

In stock

Only 2 Left!

• 3/4" DMDX Series Tweeters
• 135 watts Peak Each
• 45 watts RMS Each
• 4 ohm Impedance

Install Bay IBBAF60

6.5" Foam Acoustic Speaker Baffles

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6.5" Foam Acoustic Speaker Baffles

• Foam Acoustic Speaker Baffles
• Fits 6.5" Speakers
• Improves Speaker Performance
• Protects Rear of Speaker Against Moisture

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found car based on your search
Fits your Optima
5
List price $14.99
-13% $12.99

In stock

• Foam Acoustic Speaker Baffles
• Fits 6.5" Speakers
• Improves Speaker Performance
• Protects Rear of Speaker Against Moisture

NVX XBAF8

Universal 8" Waterproof Silicone Rubber Speaker Baffles (Pack of 2)

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Universal 8" Waterproof Silicone Rubber Speaker Baffles (Pack of 2)

• 8" Self-Adhesive Foam Speaker Baffle Ring Kit
• Waterproof foldable silicone baffles with egg crate foam
• Foldable rings allow for perfect fitment at varying depths
• Designed for use with 8" speakers
• Pack of 2

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Fits select models only.
Add details to confirm fitment.
2
List price $29.99
-23% $22.99

In stock

Used from: $13.99 Like New from: $19.54

Cerwin-Vega VT1

360W Peak (120W RMS) 1" Vega Series 2025 Edition 4-ohm Tweeters with External Crossovers

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360W Peak (120W RMS) 1" Vega Series 2025 Edition 4-ohm Tweeters with External Crossovers

• 1" VEGA Series Tweeters
• 180 watts Peak Each
• 60 watts RMS Each
• 4 ohm Impedance
• Includes external crossovers

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Install kits available for most vehicles

additional information required
Fits select locations in your Optima.
Add vehicle details to confirm exact location.
$99.99 /pair

In stock

The Install Bay VXT65

XTC 6-1/2" Round Small Frame Foam Acoustic Speaker Baffles

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XTC 6-1/2" Round Small Frame Foam Acoustic Speaker Baffles

• Small Frame Speaker Baffles
• For 6-1/2" Speakers
• Made from a Waterproof Foam
• Greatly Enhances the Sound and Performance of the Speakers
• Reduces Panel Vibration

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Optima
22
List price $25.99
-12% $22.99

In stock

Only 2 Left!

• Small Frame Speaker Baffles
• For 6-1/2" Speakers
• Made from a Waterproof Foam
• Greatly Enhances the Sound and Performance of the Speakers
• Reduces Panel Vibration

Install Bay IBBAF80

8" Foam Acoustic Speaker Baffles

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8" Foam Acoustic Speaker Baffles

• Foam Acoustic Speaker Baffles
• Fits 8" Speakers
• Improves Speaker Performance
• Protects Rear of Speaker Against Moisture

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Fits select models only.
Add details to confirm fitment.
3
List price $16.99
-12% $14.99

In stock

• Foam Acoustic Speaker Baffles
• Fits 8" Speakers
• Improves Speaker Performance
• Protects Rear of Speaker Against Moisture

Infinity REF757T (INFSPKRF757TUS)

270W Peak (90W RMS) 3/4" Reference Series 3-ohm Dome Tweeters

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270W Peak (90W RMS) 3/4" Reference Series 3-ohm Dome Tweeters

• 3/4" Reference Series Edge Driven Dome Tweeters
• 135 watts Peak Each
• 45 watts RMS Each
• 3 ohm Impedance

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Install kits available for most vehicles

additional information required
Fits select locations in your Optima.
Add vehicle details to confirm exact location.
1
List price $139.95
-21% $109.95 /pair

In stock

Infinity REF-375TX

270W Peak (90W RMS) 0.75" Reference Series Car Tweeters

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270W Peak (90W RMS) 0.75" Reference Series Car Tweeters

• 3/4" Reference Series Car Tweeters
• Edge-Driven Textile Tweeter
• 270W Max
• 90W RMS
• 3 ohm Impedance

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Save up to $22 on install kits for this speaker

additional information required
Fits select locations in your Optima.
Add vehicle details to confirm exact location.
List price $130.00
-23% $99.95 /pair

In stock

Like New from: $84.96

DS18 DXQTS

120W Peak (60W RMS) 2" DXQ Series 4-ohm Tweeters

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120W Peak (60W RMS) 2" DXQ Series 4-ohm Tweeters

• 2" DXQ Series Tweeters
• 60 watts Peak Each
• 30 watts RMS Each
• 4 ohm Impedance

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Install kits available for most vehicles

additional information required
Fits select locations in your Optima.
Add vehicle details to confirm exact location.
$79.95 /pair

In stock

• 2" DXQ Series Tweeters
• 60 watts Peak Each
• 30 watts RMS Each
• 4 ohm Impedance

Massive Audio FT1

200W Peak (100W RMS) 0.78" FT Series 4-ohm Dome Tweeters

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200W Peak (100W RMS) 0.78" FT Series 4-ohm Dome Tweeters

• 13/16" FT Series Tweeters
• 100 watts Peak Each
• 50 watts RMS Each
• 4 ohm Impedance

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VIP Product Get $5.50 in rewards to spend later

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Install kits available for most vehicles

additional information required
Fits select locations in your Optima.
Add vehicle details to confirm exact location.
List price $69.99
-21% $54.99 /pair

Available

Ships in 10-14 days

• 13/16" FT Series Tweeters
• 100 watts Peak Each
• 50 watts RMS Each
• 4 ohm Impedance

JL Audio M6-100CT-C/S-GmTi

300W Peak (150W RMS) 1" M6 Series Component 4-ohm Tweeters (Sport Gray)

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300W Peak (150W RMS) 1" M6 Series Component 4-ohm Tweeters (Sport Gray)

• 1" M6 Series Tweeters
• 150 watts Peak Each
• 75 watts RMS Each
• 4 ohm Impedance

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VIP Star Icon

VIP Product Get $23.00 in rewards to spend later

install icon

Install kits available for most vehicles

additional information required
Fits select locations in your Optima.
Add vehicle details to confirm exact location.
List price $249.99
-8% $229.99 /pair

Available

Ships in 10-14 days

• 1" M6 Series Tweeters
• 150 watts Peak Each
• 75 watts RMS Each
• 4 ohm Impedance

NVX XBAF65 Silicone Baffle Speaker Accessory Kit

2 Piece 6.5" / 6.75" Weatherproof Silicone Rubber Speaker Baffle Kit with 1.38 Square Feet of Sound Dampening Material (Two 10" x 10" Pieces)

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2 Piece 6.5" / 6.75" Weatherproof Silicone Rubber Speaker Baffle Kit with 1.38 Square Feet of Sound Dampening Material (Two 10" x 10" Pieces)

• Acoustically seals speakers for better sound performance
• Prevents front and rear wave cancellation
• Reduces panels vibrations
• Foldable design allows for varying depths

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Fits your Optima
163
List price $53.73
-38% $33.28

In stock

• Acoustically seals speakers for better sound performance
• Prevents front and rear wave cancellation
• Reduces panels vibrations
• Foldable design allows for varying depths

American Bass SYMPHONY 2.5

300W Peak (150W RMS) 2.5" Symphony Series Component Car Tweeters

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300W Peak (150W RMS) 2.5" Symphony Series Component Car Tweeters

• 2-1/2" Symphony Series Dome Tweeters
• 150 watts Peak Each
• 75 watts RMS Each
• 4 ohm Impedance

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install icon

Install kits available for most vehicles

additional information required
Fits select locations in your Optima.
Add vehicle details to confirm exact location.
List price $114.24
-20% $91.39 /pair

In stock.

JL Audio M6-100CT-C/S-GwGm

300W Peak (150W RMS) 1" M6 Series Component 4-ohm Tweeters (Sport Gray)

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300W Peak (150W RMS) 1" M6 Series Component 4-ohm Tweeters (Sport Gray)

• 1" M6 Series Tweeters
• 150 watts Peak Each
• 75 watts RMS Each
• 4 ohm Impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $23.00 in rewards to spend later

install icon

Install kits available for most vehicles

additional information required
Fits select locations in your Optima.
Add vehicle details to confirm exact location.
$229.99 /pair

Available

Ships in 10-14 days

• 1" M6 Series Tweeters
• 150 watts Peak Each
• 75 watts RMS Each
• 4 ohm Impedance

DS18 PRO-SDF6R

6.5" Round Loudspeaker and Speaker Horn Diffuser

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6.5" Round Loudspeaker and Speaker Horn Diffuser

• 6.5" Loudspeaker and Speaker Horn Diffuser
• Sharper projection, great for Line Array speakers
• Wide 90-degree dispersion
• Made with durable ABS construction
• Designed for easy bolt-on installation

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Fits your Optima
$54.95

In stock

Only 2 Left!

• 6.5" Loudspeaker and Speaker Horn Diffuser
• Sharper projection, great for Line Array speakers
• Wide 90-degree dispersion
• Made with durable ABS construction
• Designed for easy bolt-on installation

DS18 SQT1

120W Peak (30W RMS) 1.3" Multi-Mount 4-ohm Dome Tweeters

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120W Peak (30W RMS) 1.3" Multi-Mount 4-ohm Dome Tweeters

• 1.3" Tweeters
• 60 watts Peak Each
• 15 watts RMS Each
• 4 ohm Impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Install kits available for most vehicles

additional information required
Fits select locations in your Optima.
Add vehicle details to confirm exact location.
List price $57.99
-17% $47.95 /pair

In stock.

• 1.3" Tweeters
• 60 watts Peak Each
• 15 watts RMS Each
• 4 ohm Impedance

Cerwin-Vega HTAK

600W Peak (70W RMS) 0.75" HED Series 4-ohm Silk Dome Tweeters

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600W Peak (70W RMS) 0.75" HED Series 4-ohm Silk Dome Tweeters

• 3/4" HED Series Balanced Dome Tweeters
• External crossover included
• 300 watts Peak Each
• 35 watts RMS Each
• 4 ohm Impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Install kits available for most vehicles

additional information required
Fits select locations in your Optima.
Add vehicle details to confirm exact location.
$67.99 /pair

Available

Ships in 10-14 days

• 3/4" HED Series Balanced Dome Tweeters
• External crossover included
• 300 watts Peak Each
• 35 watts RMS Each
• 4 ohm Impedance

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    FAQ for Universal-Fit Audio & Electronics in 2011 Optima

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2011 Kia Optima?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics 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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