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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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Fits multiple locations in your STS
  • Front Door
  • Rear Door
List price $119.99
-17% $99.99 /pair

In stock

Massive Audio FK6

640W Peak (160W RMS) 6.5" FK Series 4-ohm Component Speaker System

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640W Peak (160W RMS) 6.5" FK Series 4-ohm Component Speaker System

• 320 watts Peak Each, 80 watts RMS Each
• 13/16" Aluminum Dome Tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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Fits multiple locations in your STS
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List price $199.99
-20% $159.99 /pair

In stock

Rockford Fosgate Punch Pro PPS4-10 (Sold Individually)

700W Peak (350W RMS) 10" Punch Pro Series Pro Audio Speaker

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700W Peak (350W RMS) 10" Punch Pro Series Pro Audio Speaker

• 700 watts Peak Each, 350 watts RMS Each
• Fiber-Reinforced High Strength Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB

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$249.99

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Like New from: $212.49

Deaf Bonce HANNIBAL HM-6E

320W Peak (160W RMS) 6.5" Hannibal Series Midrange 4-ohm Car Speakers

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320W Peak (160W RMS) 6.5" Hannibal Series Midrange 4-ohm Car Speakers

• 160 watts Peak Each, 80 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 90.9 dB

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Fits multiple locations in your STS
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$29.90 /pair

In stock

Earthquake Sound EQ10-S8

600W Peak 10" Pro Audio Series Midrange Car Speakers

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600W Peak 10" Pro Audio Series Midrange Car Speakers

• 300 watts Peak Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 95 dB

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List price $170.00
-18% $139.99 /pair

In stock.

Precision Power MAS.654

150W RMS 6.5" MAS Series 2 Way Coaxial 4-ohm Motorcycle Speakers

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150W RMS 6.5" MAS Series 2 Way Coaxial 4-ohm Motorcycle Speakers

• Peak Each, 75 watts RMS Each
• 1" Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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List price $359.99
-22% $279.99 /pair

In stock

Only 1 Left!

• Peak Each, 75 watts RMS Each
• 1" Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

JBL Club 64SQ (JBLSPKCB64SQ)

450W Peak (150W RMS) 6.5" Club Series 2 Way Coaxial 3-ohm Speakers

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450W Peak (150W RMS) 6.5" Club Series 2 Way Coaxial 3-ohm Speakers

• 225 watts Peak Each, 75 watts RMS Each
• Silk Edge Driven Dome tweeters
• Carbon Fiber cone material
• Plus One woofer cone architecture
• Impedance: 3 ohm
• Sensitivity: 93 dB

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found car based on your search
Fits multiple locations in your STS
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1
List price $199.95
-15% $169.95 /pair

In stock

Limited time!

Rockford Fosgate Punch P3 P3V2-69

300W Peak (150W RMS) 6x9" Punch P3 Series 3-Way 4-ohm Component Car Speaker System

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300W Peak (150W RMS) 6x9" Punch P3 Series 3-Way 4-ohm Component Car Speaker System

• 150 watts Peak Each, 75 watts RMS Each
• 3/4" Tetolon Inverted Dome Tweeters
• 20-40% Mica reinforced Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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List price $755.99
Save $186.00
-25% $569.99 /set

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Only 2 Left!

MB Quart DK2-108

140W Peak (70W RMS) 3.5" Discus Series 2-way 4-ohm Coaxial Car Speakers

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140W Peak (70W RMS) 3.5" Discus Series 2-way 4-ohm Coaxial Car Speakers

• 70 watts Peak Each, 35 watts RMS Each
• Aluminum Inverted Dome tweeters
• Lightweight Thermoformed Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Fits multiple locations in your STS
  • Center Dash
  • Rear Deck Corner
1
List price $59.99
-17% $49.99 /pair

In stock

Limited time!

Diamond Audio DMD65C

200W Peak (100W RMS) 6.5" DMD Series 2-way Component Speaker System

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200W Peak (100W RMS) 6.5" DMD Series 2-way Component Speaker System

• 100 watts Peak Each, 50 watts RMS Each
• 0.79" Silk Dome tweeters with ferrofluid cooling
• Reinforced Polypropylene cone material with internal dampening
• Sensitivity: 87 dB

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found car based on your search
Fits multiple locations in your STS
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1
$199.99 /set

In stock

Only 3 Left!

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JVC CS-DF620

600W Peak (50W RMS) 6.5" DRVN DF Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

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600W Peak (50W RMS) 6.5" DRVN DF Series 2-Way 4-ohm Shallow-Mount Coaxial Car Speakers

• 300 watts Peak Each, 25 watts RMS Each
• 1" Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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4
List price $64.00
Save 39%
-39% $38.99 /pair

In stock

Used from: $37.80
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DS18 ZXI-62C

480W Peak (240W RMS) 6.5" ZXI Series 2-way 4-ohm Component Speaker System

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480W Peak (240W RMS) 6.5" ZXI Series 2-way 4-ohm Component Speaker System

• 240 watts Peak Each, 120 watts RMS Each
• 1.25" Silk Dome tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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found car based on your search
Fits multiple locations in your STS
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$167.95 /set

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Limited time!

Cerwin-Vega H65C

720W Peak (240W RMS) 6.5" HED Series 2 Way Component 4-ohm Speaker System

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720W Peak (240W RMS) 6.5" HED Series 2 Way Component 4-ohm Speaker System

• 360 watts Peak Each, 120 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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found car based on your search
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$189.99 /set

In stock

Only 1 Left!

DS18 6XL650N-4 (Sold Individually)

650W Peak (325W RMS) 6.5" XL Series Midrange 4-ohm Loudspeaker

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650W Peak (325W RMS) 6.5" XL Series Midrange 4-ohm Loudspeaker

• 650 watts Peak, 325 watts RMS
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 98.5 dB

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found car based on your search
Fits multiple locations in your STS
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  • Rear Door
List price $244.99
-17% $203.95

In stock.

Limited time!

AudioControl A65CS2

200W RMS 6.5" Altitude Series 4-ohm 2-Way Component Speaker System

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200W RMS 6.5" Altitude Series 4-ohm 2-Way Component Speaker System

• 100 watts RMS Each
• 1-11/16" Silk Dome Tweeters
• Precision-Molded Glass Fiber cone
• Impedance: 4 ohm
• Sensitivity: 86.5 dB

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found car based on your search
Fits multiple locations in your STS
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  • Rear Door
List price $179.00
-11% $159.00 /set

In stock

Limited time!

Infinity REF-6532ex (REF6532EXAM)

330W Peak (110W RMS) 6.5" Reference Series 2 Way Coaxial 3-ohm Speakers

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330W Peak (110W RMS) 6.5" Reference Series 2 Way Coaxial 3-ohm Speakers

• 165 watts Peak Each, 55 watts RMS Each
• 1" Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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found car based on your search
Fits multiple locations in your STS
  • Front Door
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6
List price $130.00
-38% $79.99 /pair

• 165 watts Peak Each, 55 watts RMS Each
• 1" Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Limited time!

Hifonics HCC65C

300W Peak (150W RMS) 6.5" Colossus Classic Series 2 Way Component Speaker System

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300W Peak (150W RMS) 6.5" Colossus Classic Series 2 Way Component Speaker System

• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome Tweeters
• Protective speaker grilles included
• Woven Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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found car based on your search
Fits multiple locations in your STS
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  • Rear Door
1
List price $69.99
-29% $49.99 /set

In stock

Limited time!

Rockford Fosgate Punch P3 P3V2-69C3

300W Peak (150W RMS) 6x9" Punch P3 Series 3-Way 4-ohm Coax/Component Car Speaker System

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300W Peak (150W RMS) 6x9" Punch P3 Series 3-Way 4-ohm Coax/Component Car Speaker System

• 150 watts Peak Each, 75 watts RMS Each
• Santoprene Rubber half-roll speaker surround
• 20-40% Mica reinforced Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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Fits multiple locations in your STS
  • Center Dash
  • Rear Deck Corner
List price $635.99
Save $156.00
-25% $479.99 /set

In stock

Limited time!

DS18 ZXI-654

480W Peak (160W RMS) 6.5" ZXI Series 2-way 4-ohm Coaxial Car Speakers

ZXI-654 big
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480W Peak (160W RMS) 6.5" ZXI Series 2-way 4-ohm Coaxial Car Speakers

• 240 watts Peak Each, 80 watts RMS Each
• 1" PEI (Polyetherimide) tweeters with neodymium magnets
• Glass Fiber cone material with KSV former
• Impedance: 4 ohm
• Sensitivity: 89 dB

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found car based on your search
Fits multiple locations in your STS
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$94.95 /pair

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Kicker PSC652 (51PSC652)

240W Peak (120W RMS) 6.5" PS Series 2 Way Coaxial 2-ohm Marine and Powersports Speakers

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240W Peak (120W RMS) 6.5" PS Series 2 Way Coaxial 2-ohm Marine and Powersports Speakers

• 120 watts Peak Each, 60 watts RMS Each
• 3/4" Titanium Dome tweeters
• Polypropylene cone material
• Impedance: 2 ohm
• Sensitivity: 92.5 dB

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List price $219.99
Save $60.03
-27% $159.96 /pair

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    FAQ for Speakers in 2011 STS

    Q: Can I upgrade or change the Speakers in 2011 Cadillac STS?

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

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