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Infinity Kappa 503CF (INFSPKKA503CFAM)

480W Peak (160W RMS) 5.25" Kappa Series 2-Way Component 3-ohm Speaker System

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480W Peak (160W RMS) 5.25" Kappa Series 2-Way Component 3-ohm Speaker System

• 240 watts Peak Each, 80 watts RMS Each
• 3/4" Silk Edge Driven Dome uni-pivot and angled tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Lower Front Door
1
List price $449.95
Save $169.96
-38% $279.99 /set

In stock

Used from: $279.30
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DS18 PRO-ZXI8M (Sold Individually)

700W Peak (350W RMS) 8" ZXi Series 8-Ohm Midrange Loudspeaker

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700W Peak (350W RMS) 8" ZXi Series 8-Ohm Midrange Loudspeaker

• 700 watts Peak Each, 350 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 99 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Behind Seat
$74.95

In stock

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Soundstream SPM.804

1000W Peak (500W RMS) 8" Pro Audio Midrange 4-ohm Speakers

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1000W Peak (500W RMS) 8" Pro Audio Midrange 4-ohm Speakers

• 500 watts Peak Each, 250 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95.5 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Behind Seat
List price $78.99
Save 24%
-24% $59.99 /pair

In stock

Only 1 Left!

• 500 watts Peak Each, 250 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95.5 dB

Limited time!

Soundstream SPM.804X

1100W Peak (550W RMS) 8" Pro Audio Midrange 4-ohm Car Speakers

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1100W Peak (550W RMS) 8" Pro Audio Midrange 4-ohm Car Speakers

• 550 watts Peak Each, 275 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97.6 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Behind Seat
1
List price $76.99
Save 22%
-22% $59.99 /pair

In stock

Only 1 Left!

• 550 watts Peak Each, 275 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97.6 dB

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Kicker PS44 (40PS44)

200W Peak (100W RMS) 4" PS Series 2 Way Coaxial 4-ohm Powersports and Motorcycle Speakers

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200W Peak (100W RMS) 4" PS Series 2 Way Coaxial 4-ohm Powersports and Motorcycle Speakers

• 100 watts Peak Each, 50 watts RMS Each
• 3/4" Titanium Dome tweeters
• Protective speaker grilles included
• Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 85.8 dB
• Mounting Depth: 1-11/16"

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Rear Seat Side Panel
List price $149.99
Save $46.03
-31% $103.96 /pair

In stock

• 100 watts Peak Each, 50 watts RMS Each
• 3/4" Titanium Dome tweeters
• Protective speaker grilles included
• Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 85.8 dB
• Mounting Depth: 1-11/16"

Cerwin Vega H752

550W Peak (80W RMS) 5.25” HED Series 2-Way Coaxial 4-ohm Speakers

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550W Peak (80W RMS) 5.25” HED Series 2-Way Coaxial 4-ohm Speakers

• 275 watts Peak Each, 40 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 82.5 dB

1+ offers available
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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Lower Front Door
5
List price $83.99
-17% $69.99 /pair

In stock

Continue to cart

Available Offers (2) for Cerwin Vega H752
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List price $83.99
-17% $69.99
$59.49 with coupon | Price details
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DS18 PRO-X8M (Sold Individually)

550W Peak (275W RMS) 8” PRO-X Series 8-ohm Mid-Range Loudspeaker

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550W Peak (275W RMS) 8” PRO-X Series 8-ohm Mid-Range Loudspeaker

• 550 watts Peak Each, 275 watts RMS Each
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 97 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Behind Seat
$64.95

In stock

Cerwin-Vega PH84

720W Peak (360W RMS) 8" Pro Series Full Range Coaxial 4-ohm Speakers

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720W Peak (360W RMS) 8" Pro Series Full Range Coaxial 4-ohm Speakers

• 360 watts Peak Each, 180 watts RMS Each
• Horn Tweeter Loaded
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 103 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Behind Seat
2
List price $263.99
-17% $219.99 /pair

In stock

Limited time!

DS18 PRO-X8.4BMRGB (Sold Individually)

550W Peak (275W RMS) 8” PRO-X Series 4-ohm Pro Audio Mid-Range Loudspeaker with RGB LED Bullet

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550W Peak (275W RMS) 8” PRO-X Series 4-ohm Pro Audio Mid-Range Loudspeaker with RGB LED Bullet

• 550 watts Peak Each, 275 watts RMS Each
• Translucid ABS Bullet tweeters
• RGB illumination on tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Behind Seat
$77.95

In stock

Deaf Bonce Machete MLH-50

200W Peak (100W RMS) 5.2" Machete Series 4-ohm Full Range Car Speakers

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200W Peak (100W RMS) 5.2" Machete Series 4-ohm Full Range Car Speakers

• 100 watts Peak Each, 50 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 90.4 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Lower Front Door
$29.90 /pair

In stock

Deaf Bonce Machete MW-80

700W Peak (350W RMS) 8" Machete Series Midbass 4-ohm Speakers

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700W Peak (350W RMS) 8" Machete Series Midbass 4-ohm Speakers

• 350 watts Peak Each, 175 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93.5 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Behind Seat
$99.90 /pair

In stock

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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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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Behind Seat
List price $83.99
-17% $69.99

In stock

Only 3 Left!

Limited time!

DS18 PRO-X8.4M (Sold Individually)

550W Peak (275W RMS) 8” PRO-X Series Pro Audio Midrange 4-ohm Loudspeaker

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550W Peak (275W RMS) 8” PRO-X Series Pro Audio Midrange 4-ohm Loudspeaker

• 550 watts Peak, 275 watts RMS
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Behind Seat
$64.95

In stock

Deaf Bonce Machete MM-50L

320W Peak (196W RMS) 5.2" Machete Series Midrange 4-ohm Speakers

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320W Peak (196W RMS) 5.2" Machete Series Midrange 4-ohm Speakers

• 160 watts Peak Each, 98 watts RMS Each
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 91.6 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Lower Front Door
1
$44.90 /pair

In stock

Deaf Bonce HANNIBAL HM-8E

320W Peak (160W RMS) 8" Hannibal Series Midrange 4-ohm Car Speakers

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320W Peak (160W RMS) 8" Hannibal Series Midrange 4-ohm Car Speakers

• 160 watts Peak Each, 80 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 91.8 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Behind Seat
1
$34.90 /pair

In stock

Limited time!

Alpine BRV-S40C

240W Peak (80W RMS) 4" BassRev Series 2-Way 4-ohm Component Speaker System

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240W Peak (80W RMS) 4" BassRev Series 2-Way 4-ohm Component Speaker System

• 120 watts Peak Each, 40 watts RMS Each
• 3/4" Teteron Dome Tweeters
• Polypropylene-Mica cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Rear Seat Side Panel
List price $360.00
Save $120.05
-33% $239.95 /set

In stock

Only 2 Left!

Hertz SX 690 H NEO

520W Peak (260W RMS) 6x9" SPL Show Series 3-Way Coaxial 4-ohm Car and Motorcycle Speakers

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520W Peak (260W RMS) 6x9" SPL Show Series 3-Way Coaxial 4-ohm Car and Motorcycle Speakers

• 260 watts Peak Each, 130 watts RMS Each
• 1.4" Tetolon Dome tweeter
• 1" Tetolon Dome super tweeter
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Upper Front Door
List price $650.00
-15% $549.99 /pair

In stock

Only 3 Left!

Limited time!

Precision Power (PPI) MAS.524

150W RMS 5.25" MAS Series 2 Way Coaxial 4-ohm Motorcycle Speakers

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150W RMS 5.25" 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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VIP Product Get $27.00 in rewards to spend later

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Lower Front Door
1
List price $349.99
-23% $269.99 /pair

In stock

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

Deaf Bonce Machete MFH-50

200W Peak (100W RMS) 5.25" Machete Series 4-ohm Full Range Car Speakers

Machete MFH-50 big
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200W Peak (100W RMS) 5.25" Machete Series 4-ohm Full Range Car Speakers

• 100 watts Peak Each, 50 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 90.6 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Lower Front Door
$39.90 /pair

In stock

Deaf Bonce HANNIBAL HM-8E-PLUS (HM-8E+)

340W Peak (170W RMS) 8" Hannibal Series Midrange 4-ohm Car Speakers

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340W Peak (170W RMS) 8" Hannibal Series Midrange 4-ohm Car Speakers

• 170 watts Peak Each, 85 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 95 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Behind Seat
1
$39.90 /pair

In stock

Only 1 Left!

NVX - Worth the Envy - Direct to Consumer Car Audio

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    FAQ for Speakers in 2005 SC430

    Q: Can I upgrade or change the Speakers in 2005 Lexus SC430?

    A: Yes this page includes all the best Speakers that work in your SC430.

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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.