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Rockford Fosgate Punch P142 (Open Box, Great)

120W Peak (60W RMS) 4" Punch Series 2-way 4-ohm Coaxial Car Speakers

P142 big
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120W Peak (60W RMS) 4" Punch Series 2-way 4-ohm Coaxial Car Speakers

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Injection-molded mineral-filled polypropylene cone material with VAST technology
• Impedance: 4 ohm
• Sensitivity: 86.5 dB

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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your LS400
  • Lower Front Door
  • Rear Door
11
List price $109.99
-15% $93.49 /pair

In stock

Diamond Audio DMD42 with Speaker Installation Kit

Includes: (2) 4” 2-Way speaker, 2 Piece Foam Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

DMD42, FRING4, SDRLR1, SDSK2, BTK106 big
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Includes: (2) 4” 2-Way speaker, 2 Piece Foam Speaker Ring Kit, Sound Damping Kit, Installer Panel Removal Tool Kit, Rubber Roller

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

Save 15% Off Package Deals at Checkout!
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 multiple locations in your LS400
  • Lower Front Door
  • Rear Door
142
List price $191.70
-24% $146.52 /pair

In stock.

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

Infinity Reference REF-4032CFX with Installation Accessories

70W RMS Reference Series 4" 2-Way Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

REF4032CFXAM, FRING4, SDSK2, SDRLR1, BTK106 big
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70W RMS Reference Series 4" 2-Way Speakers with Speaker Baffles, Sound Damping, Roller, and Panel Removal Kit

• 105 watts Peak Each, 35 watts RMS Each
• Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

Save 15% Off Package Deals at Checkout!
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 multiple locations in your LS400
  • Lower Front Door
  • Rear Door
114
List price $212.66
-45% $117.75 /pair

In stock.

• 105 watts Peak Each, 35 watts RMS Each
• Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

Infinity Reference REF-4032cfx with Sound Damping

210W Peak (70W RMS) Reference Series 4" 2-Way Car Speakers + NVX SDSK2 Sound Damping

REF4032CFXAM_SDSK2 big
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210W Peak (70W RMS) Reference Series 4" 2-Way Car Speakers + NVX SDSK2 Sound Damping

• 105 watts Peak Each, 35 watts RMS Each
• 1" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your LS400
47
List price $158.69
-40% $94.98

In stock.

• 105 watts Peak Each, 35 watts RMS Each
• 1" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

JBL GX428 (JBLGX428AM) with Sound Damping

210W Peak (70W RMS) 4" GX Series 2-way 2.3-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

GX428AM_SDBSK2 big
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210W Peak (70W RMS) 4" GX Series 2-way 2.3-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 105 watts Peak Each, 35 watts RMS Each
• Edge-driven Soft Dome tweeters with deflector
• Polypropylene Plus One woofer cone material
• Impedance: 2.3 ohm
• Sensitivity: 90 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your LS400
46
$79.94

Available

Ships in 10-14 days

• 105 watts Peak Each, 35 watts RMS Each
• Edge-driven Soft Dome tweeters with deflector
• Polypropylene Plus One woofer cone material
• Impedance: 2.3 ohm
• Sensitivity: 90 dB

Massive Audio MX4 with Sound Damping

300W Peak (60W RMS) 4" MX Series 2-way 4-ohm Coaxial Car Speakers+ NVX SDBSK2 Premium Sound Damping

MA-MX4_SDBSK2 big
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300W Peak (60W RMS) 4" MX Series 2-way 4-ohm Coaxial Car Speakers+ NVX SDBSK2 Premium Sound Damping

• 150 watts Peak Each, 30 watts RMS Each
• 0.51" Hard diaphragm Dome tweeters with ferro-fluid cooled VC
• Laminate-Treated Paper cone material
• 2 custom painted metal speaker grilles Included
• Impedance: 4 ohm
• Sensitivity: 91.5 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your LS400
47
List price $68.73
-20% $54.98

Available

Ships in 10-14 days

• 150 watts Peak Each, 30 watts RMS Each
• 0.51" Hard diaphragm Dome tweeters with ferro-fluid cooled VC
• Laminate-Treated Paper cone material
• 2 custom painted metal speaker grilles Included
• Impedance: 4 ohm
• Sensitivity: 91.5 dB

Infinity Reference REF-4032cfx (2-Pairs, 4-Total)

420W Peak (140W RMS) Reference Series 4" 2-Way Car Speakers (2-Pairs)

REF4032CFXAM_2 big
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420W Peak (140W RMS) Reference Series 4" 2-Way Car Speakers (2-Pairs)

• 105 watts Peak Each, 35 watts RMS Each
• 1" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your LS400
1
List price $279.90
-43% $159.98

In stock.

• 105 watts Peak Each, 35 watts RMS Each
• 1" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

Massive Audio MX4 (2-Pairs, 4-Total)

600W Max (120W RMS) 4" MX Series 2-Way Coaxial Car Speakers (2-Pairs)

MA-MX4_2 big
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600W Max (120W RMS) 4" MX Series 2-Way Coaxial Car Speakers (2-Pairs)

• 150W Max Each, 30W RMS Each
• .5" PEI Tweeter
• Laminated Paper Cone
• 4 ohm Impedance
• Sensitivity: 91.5 dB
• Mounting Depth: 1.63"

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your LS400
1
List price $99.98
-20% $79.98

Available

Ships in 10-14 days

• 150W Max Each, 30W RMS Each
• .5" PEI Tweeter
• Laminated Paper Cone
• 4 ohm Impedance
• Sensitivity: 91.5 dB
• Mounting Depth: 1.63"

JL Audio C2-400x (Open Box, Great)

100W Peak (70W RMS) 4” Evolution C2 Series 2-way 4-ohm Coaxial Car Speakers

C2-400X big
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100W Peak (70W RMS) 4” Evolution C2 Series 2-way 4-ohm Coaxial Car Speakers

• 50 watts Peak Each, 35 watts RMS Each
• 0.75" Silk Dome Tweeters
• 2 speaker grilles included
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohm
• Sensitivity: 87.5 dB

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

found car based on your search
Fits multiple locations in your LS400
  • Lower Front Door
  • Rear Door
9
List price $189.99
-15% $161.49 /pair

In stock

Rockford Fosgate Prime R14X2 (Open Box, Great)

120W Peak (60W RMS) 4” Prime Series 2-way 4-ohm Coaxial Car Speaker

R14X2 big
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120W Peak (60W RMS) 4” Prime Series 2-way 4-ohm Coaxial Car Speaker

• 60 watts Peak Each, 30 watts RMS Each
• 1/2" Silk Dome tweeters
• Vacuum polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85 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 multiple locations in your LS400
  • Lower Front Door
  • Rear Door
14
List price $64.99
-22% $50.99 /pair

In stock

Limited time!

NVX NSP4

300W Peak (100W RMS) 4" N-Series 2-Way Coaxial Car Speakers

NSP4 big
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300W Peak (100W RMS) 4" N-Series 2-Way Coaxial Car Speakers

• 150 watts Peak Each, 50 watts RMS Each
• 3/4" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 1.88"

Free Speaker Accessory at Checkout!
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 multiple locations in your LS400
  • Lower Front Door
  • Rear Door
25
List price $59.99
-25% $44.99 /pair

In stock

Used from: $27.99

NVX VSP4

450W Peak (150W RMS) 4" V-Series 2 Way Coaxial Car Speakers

VSP4 big
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450W Peak (150W RMS) 4" V-Series 2 Way Coaxial Car Speakers

• 225 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB
• Mounting Depth: 2.04"

2+ offers available
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 multiple locations in your LS400
  • Lower Front Door
  • Rear Door
17
List price $65.99
-17% $54.99 /pair

In stock

Continue to cart

Available Offers (2) for NVX VSP4
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Dads & Grads Sale! Save 15% at Checkout!
List price $65.99
-17% $54.99
$46.74 with coupon | Price details
2026-06-30 23:59:00
Free Speaker Accessory at Checkout!
Used from: $38.49

JBL STAGE3 GEN2 48F (STAGE348F)

800W Peak (100W RMS) 4" Stage3 Gen2 Series 2-Way Coaxial 4-ohm Car Speakers

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800W Peak (100W RMS) 4" Stage3 Gen2 Series 2-Way Coaxial 4-ohm Car Speakers

• 400 watts Peak Each, 50 watts RMS Each
• PEI (Polyetherimide) Balanced Dome Tweeters
• Plus One 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 multiple locations in your LS400
  • Lower Front Door
  • Rear Door
List price $89.95
-22% $69.95 /pair

• 400 watts Peak Each, 50 watts RMS Each
• PEI (Polyetherimide) Balanced Dome Tweeters
• Plus One Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Limited time!

Kenwood KFC-C1056S

440W Peak (42W RMS) 4" 2-Way Dual Cone 4-ohm Car Speakers

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440W Peak (42W RMS) 4" 2-Way Dual Cone 4-ohm Car Speakers

• 220 watts Peak Each, 21 watts RMS Each
• Polypropylene cone material
• Smaller whizzer cone to extend its frequency response
• Impedance: 4 ohm
• Sensitivity: 88 dB

install icon

Install kits available for most vehicles

found car based on your search
Fits multiple locations in your LS400
  • Lower Front Door
  • Rear Door
1
List price $70.00
Save 44%
-44% $39.00 /pair

• 220 watts Peak Each, 21 watts RMS Each
• Polypropylene cone material
• Smaller whizzer cone to extend its frequency response
• Impedance: 4 ohm
• Sensitivity: 88 dB

American Bass SQ-4-FR

180W Peak (90W RMS) 4" SQ Series 2 Way Full Range Coaxial 4-ohm Speakers

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180W Peak (90W RMS) 4" SQ Series 2 Way Full Range Coaxial 4-ohm Speakers

• 90 watts Peak Each, 45 watts RMS Each
• Swivel 3/4" Neodymium Dome Tweeters
• Glass Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your LS400
  • Lower Front Door
  • Rear Door
List price $68.84
-34% $45.23 /pair

• 90 watts Peak Each, 45 watts RMS Each
• Swivel 3/4" Neodymium Dome Tweeters
• Glass Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

(4) Hifonics ZS4CX 4" 700 Watt Coaxial Car Audio Speakers

2 Pairs (4 Total) 350W Max (60W RMS) 4.0" Zeus Series 2-Way Coaxial Car Speakers Package

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2 Pairs (4 Total) 350W Max (60W RMS) 4.0" Zeus Series 2-Way Coaxial Car Speakers Package

• 175 Watts Max Each, 30 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

found car based on your search
Fits your LS400
5
List price $45.98
$45.90

• 175 Watts Max Each, 30 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

Kenwood KFC-C1056S (2-Pairs, 4-Total)

880W Max (82W RMS) 4" 2-Way Coaxial Car Speakers (2-Pairs)

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880W Max (82W RMS) 4" 2-Way Coaxial Car Speakers (2-Pairs)

• 220 Watts Max Each, 21 Watts RMS Each
• Dual Cone Design
• Polypropylene Cone
• 4 ohm Impedance
• Sensitivity: 88 dB
• Mounting Depth: 1-11/16"

found car based on your search
Fits your LS400
1
List price $140.00
-44% $78.00

• 220 Watts Max Each, 21 Watts RMS Each
• Dual Cone Design
• Polypropylene Cone
• 4 ohm Impedance
• Sensitivity: 88 dB
• Mounting Depth: 1-11/16"

Hifonics ZS4CX (2-Pairs, 4-Total)

700W Peak (120W RMS) Zeus Series 4" 2-Way Coaxial Car Speakers (2-Pairs)

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700W Peak (120W RMS) Zeus Series 4" 2-Way Coaxial Car Speakers (2-Pairs)

• 175 Watts Max Each, 30 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

found car based on your search
Fits your LS400

• 175 Watts Max Each, 30 Watts RMS Each
• 1" Neo-Mylar Soft Dome Tweeter
• Alpha-Cellulose mid-woofer cone material
• 4 Ohm Impedance
• Sensitivity: 88dB
• CEA-426B compliant speakers

JVC CS-DR421 (2-Pairs, 4-Total)

880W Peak (140W RMS) 4" DRVN Series 2-Way Coaxial Car Speakers (2-Pairs)

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880W Peak (140W RMS) 4" DRVN Series 2-Way Coaxial Car Speakers (2-Pairs)

• 220 watts Peak Each, 35 watts RMS Each
• 1" Polymide Balanced Dome Tweeters
• Carbon Mica cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

found car based on your search
Fits your LS400
List price $238.00
-17% $198.00

• 220 watts Peak Each, 35 watts RMS Each
• 1" Polymide Balanced Dome Tweeters
• Carbon Mica cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Rockford Fosgate Punch P142 (2-Pairs, 4-Total)

240W MAX (120W RMS) 4" Punch Series 2-Way Coaxial Car Speakers (2-Pairs)

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240W MAX (120W RMS) 4" Punch Series 2-Way Coaxial Car Speakers (2-Pairs)

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.5 dB

Save 15% Off Package Deals at Checkout!
found car based on your search
Fits your LS400

• 60 watts Peak Each, 30 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.5 dB

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    FAQ for Speakers in 1990 LS400

    Q: Can I upgrade or change the Speakers in 1990 Lexus LS400?

    A: Yes this page includes all the best Speakers that work in your LS400.

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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.