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Hertz SX 200 NEO

520W Peak (260W RMS) 8" NEO SPL Series 2-way 4-ohms Coaxial Car Speakers

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520W Peak (260W RMS) 8" NEO SPL Series 2-way 4-ohms Coaxial Car Speakers

• 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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Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Behind Seat
1
List price $705.00
-15% $599.99 /pair

Available

Ships in 10-14 days

DS18 8XL800-8 (Sold Individually)

800W Peak (400W RMS) 8" XL Series 8-ohm Mid-range Speaker

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800W Peak (400W RMS) 8" XL Series 8-ohm Mid-range Speaker

• 800 watts Peak Each, 400 watts RMS Each
• Non-Pressed 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
$155.95

In stock.

DS18 8XL800N-8 (Sold Individually)

800W Peak (400W RMS) 8" XL Series Midrange 8-ohm Loudspeaker

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800W Peak (400W RMS) 8" XL Series Midrange 8-ohm Loudspeaker

• 800 watts Peak, 400 watts RMS
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 100.7 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 $287.99
-17% $239.95

Available

Ships in 10-14 days

PRV Audio 8MR500-4 BULLET

1000W Peak (500W RMS) 8" Pro Audio on Wheels Series Pro Audio Midrange 4-ohm Bullet Car Speaker

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1000W Peak (500W RMS) 8" Pro Audio on Wheels Series Pro Audio Midrange 4-ohm Bullet Car Speaker

• 1000 watts Peak Each, 500 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
List price $74.89
-20% $59.91

Available

Ships in 10-14 days

DS18 PRO-CUPOLA3 (Sold Individually)

400W Peak (150W RMS) 5.25" Pro Audio Soft Dome Midrange 4-ohm Loudspeaker

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400W Peak (150W RMS) 5.25" Pro Audio Soft Dome Midrange 4-ohm Loudspeaker

• 400 watts Peak, 150 watts RMS
• Coated non-resonant soft dome material
• Ultra-high sound quality
• Perfect for studio monitors or Hi-Fi applications
• Impedance: 4 ohm
• Sensitivity: 96 dB

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VIP Product Get $20.00 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
List price $239.99
-17% $199.95

In stock.

Earthquake Sound EQ8-S8

500W Peak 8” EQ Series 8-ohm Mid-Bass Car Speakers

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500W Peak 8” EQ Series 8-ohm Mid-Bass Car Speakers

• 250 watts Peak Each
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 96.3 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 $99.00
-39% $59.99

In stock.

Massive Audio MA8 (Sold Individually)

350W Peak (150W RMS) 8" MA Series 8-ohm Pro-Audio Midrange Car Speaker

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350W Peak (150W RMS) 8" MA Series 8-ohm Pro-Audio Midrange Car Speaker

• 350 watts Peak Each, 150 watts RMS Each
• Hardened Paper cone material
• Impedance: 8 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
List price $62.49
-28% $44.99

Available

Ships in 10-14 days

DS18 PRO-X5.4M (Sold Individually)

300W Peak (150W RMS) 5.25” PRO-X Series 4-ohm Midrange Loudspeaker

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300W Peak (150W RMS) 5.25” PRO-X Series 4-ohm Midrange Loudspeaker

• 300 watts Peak Each, 150 watts RMS Each
• Red Steel Basket
• Paper cone material
• Impedance: 4 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
$44.95

In stock.

DS18 PRO-NS8.4 (Sold Individually)

400W Peak (200W RMS) 8" PRO-NS Series 4-ohm Shallow-mount Mid-range Speaker

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400W Peak (200W RMS) 8" PRO-NS Series 4-ohm Shallow-mount Mid-range Speaker

• 400 watts Peak Each, 200 watts RMS Each
• 1-1/4" Dome Tweeter
• 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
$79.95

In stock.

PRV Audio 4MR60-NDY-4

120W Peak (60W RMS) 4" MR Series Pro Audio Midrange 4-ohm Car Speaker (Sold Individually)

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120W Peak (60W RMS) 4" MR Series Pro Audio Midrange 4-ohm Car Speaker (Sold Individually)

• 120 watts Peak Each, 60 watts RMS Each
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 91 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 $49.89
-20% $39.91

Available

Ships in 10-14 days

MTX PS8C-BP

600W Peak (300W RMS) 8" Coaxial 4-ohm Powersports Speakers

PS8C-BP big
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600W Peak (300W RMS) 8" Coaxial 4-ohm Powersports Speakers

• 300 watts Peak Each, 150 watts RMS Each
• Teteron Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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VIP Product Get $95.00 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
  • Behind Seat
List price $999.00
-5% $949.95 /pair

Available

Ships in 10-14 days

• 300 watts Peak Each, 150 watts RMS Each
• Teteron Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

Limited time!

Earthquake Sound VTEK-52Xi

800W RMS 5.25" VTEK Series 2-Way Coaxial 2-ohm Car Speakers

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800W RMS 5.25" VTEK Series 2-Way Coaxial 2-ohm Car Speakers

• 400 watts RMS Each
• 3/4" Silk Dome swiveling tweeters
• Glass Carbon Fiber cone material
• Impedance: 2 ohm
• Sensitivity: 89 dB

Free Speaker Accessory at Checkout!
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VIP Product Get $15.90 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
$159.00 /pair

In stock.

American Bass SQ-5.25-FR

240W Peak (120W RMS) 5.25" SQ Series 2 Way Full Range Coaxial 4-ohm Speakers

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240W Peak (120W RMS) 5.25" SQ Series 2 Way Full Range Coaxial 4-ohm Speakers

• 120 watts Peak Each, 60 watts RMS Each
• Swivel 3/4" Neodymium Dome Tweeters
• Glass Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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install icon

Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Lower Front Door
List price $83.00
-40% $49.40 /pair

In stock.

DS18 8XL800N-4 (Sold Individually)

800W Peak (400W RMS) 8" XL Series Midrange 4-ohm Loudspeaker

8XL800N-4 big
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800W Peak (400W RMS) 8" XL Series Midrange 4-ohm Loudspeaker

• 800 watts Peak, 400 watts RMS
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 100.7 dB

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

VIP Product Get $24.00 in rewards to spend later

install icon

Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Behind Seat
List price $287.99
-17% $239.95

In stock.

DS18 8XL800-4 (Sold Individually)

800W Peak (400W RMS) 8" XL Series Midrange 4-ohm Loudspeaker

8XL800-4 big
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800W Peak (400W RMS) 8" XL Series Midrange 4-ohm Loudspeaker

• 800 watts Peak, 400 watts RMS
• Non-Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 99 dB

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

VIP Product Get $15.59 in rewards to spend later

install icon

Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Behind Seat
List price $187.99
-17% $155.95

Available

Ships in 10-14 days

Kenwood KFC-C1356S

520W Peak (60W RMS) 5.25" 2-way 4-ohm Dual Cone Car Speakers

KFC-C1356S big
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520W Peak (60W RMS) 5.25" 2-way 4-ohm Dual Cone Car Speakers

• 260 watts Peak Each, 30 watts RMS Each
• Cone tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 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
List price $60.00
-42% $34.99 /pair

Available

Ships in 10-14 days

Massive Audio M8C (Sold Individually)

160W Peak 80W RMS 8" M8C Series 8-ohm Mid-Range Closed Back Speaker

M8C big
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160W Peak 80W RMS 8" M8C Series 8-ohm Mid-Range Closed Back Speaker

• 160 watts Peak Each, 80 watts RMS Each
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 98 dB

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

Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Behind Seat
List price $49.99
-20% $39.99

Available

Ships in 10-14 days

DS18 PRO-X4.4BMSL (Sold Individually)

200W Peak (100W RMS) 4" PRO-X Series 8-ohm Shallow-mount Mid-range Speaker

PRO-X4.4BMSL big
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200W Peak (100W RMS) 4" PRO-X Series 8-ohm Shallow-mount Mid-range Speaker

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

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

Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Rear Seat Side Panel
$39.95

In stock.

DS18 PRO-X5M

300W Peak (150W RMS) 5.25” PRO-X Series 8-ohm Midrange Car Loudspeaker

PRO-X5M big
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300W Peak (150W RMS) 5.25” PRO-X Series 8-ohm Midrange Car Loudspeaker

• 300 watts Peak Each, 150 watts RMS Each
• Glossy red steel basket material
• Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 90 dB

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

Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Lower Front Door
$44.95

In stock.

American Bass NEO-8-MR (Sold Individually)

400W Peak (200W RMS) 8" NEO Series Midrange 4-ohm Speaker

NEO-8-MR big
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400W Peak (200W RMS) 8" NEO Series Midrange 4-ohm Speaker

• Peak Power: 400 watts
• RMS Power: 200 watts
• Impedance: 4 ohm
• Sensitivity: 98 dB

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

Install kits available for most vehicles

found car based on your search
Fits the following location in your SC430
  • Behind Seat
List price $115.72
-32% $78.52

In stock.

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    FAQ for Speakers in 2003 SC430

    Q: Can I upgrade or change the Speakers in 2003 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:

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