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DS18 10XL1000MB-8 (Sold Individually)

1000W Peak (500W RMS) 10" XL Series Mid-Bass 8-ohm Loudspeaker

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1000W Peak (500W RMS) 10" XL Series Mid-Bass 8-ohm Loudspeaker

• 1000 watts Peak, 500 watts RMS
• Paper cone material
• Impedance: 8 ohm
• Sensitivity: 99.5 dB

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Install kits available for most vehicles

found car based on your search
Fits your GS300
List price $244.99
-17% $203.95

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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found car based on your search
Fits multiple locations in your GS300
  • Lower Front Door
  • Rear Door
List price $360.00
Save $120.05
-33% $239.95 /set

In stock

Only 2 Left!

NVX - Worth the Envy - Direct to Consumer Car Audio
Limited time!

Rockford Fosgate Punch P1V2-4

300W Peak (150W RMS) 4" Punch P1 Series 3 Way Coaxial 4-ohm Speakers

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300W Peak (150W RMS) 4" Punch P1 Series 3 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 3/4" Tetolon Inverted Dome tweeters
• 3/8" Polypropylene-Piezo super tweeters
• Mica reinforced Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your GS300
  • Lower Front Door
  • Rear Door
List price $215.99
Save $56.00
-26% $159.99 /pair

In stock

JBL STAGE3 GEN2 968M (STAGE3968M)

1280W Peak (160W RMS) 6x9" Stage3 Gen2 Series 3-Way Coaxial 4-ohm Car Speakers with Grilles

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1280W Peak (160W RMS) 6x9" Stage3 Gen2 Series 3-Way Coaxial 4-ohm Car Speakers with Grilles

• 640 watts Peak Each, 80 watts RMS Each
• PEI (Polyetherimide) Balanced Dome Tweeters
• Plus One Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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Install kits available for most vehicles

found car based on your search
Fits your GS300
List price $139.95
-14% $119.95 /pair

In stock

Only 3 Left!

Limited time!

Precision Power MAS.692HT

800W Peak (400W RMS) 6x9" MAS Series 2-Way Coaxial 2-ohm Horn Loaded Motorcycle Speakers

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800W Peak (400W RMS) 6x9" MAS Series 2-Way Coaxial 2-ohm Horn Loaded Motorcycle Speakers

• 400 watts Peak Each, 200 watts RMS Each
• Titanium Ring Radiator Tweeters
• Polypropylene cone material
• Impedance: 2 ohm
• Sensitivity: 95 dB

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found car based on your search
Fits your GS300
List price $679.99
-22% $529.99 /pair

In stock

Only 2 Left!

• 400 watts Peak Each, 200 watts RMS Each
• Titanium Ring Radiator Tweeters
• Polypropylene cone material
• Impedance: 2 ohm
• Sensitivity: 95 dB

DS18 10PRO1200MB-8 (Sold Individually)

1200W Peak (600W RMS) 10" Pro Audio Mid-Bass 8-ohm Loudspeaker

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1200W Peak (600W RMS) 10" Pro Audio Mid-Bass 8-ohm Loudspeaker

• 1200 watts Peak, 600 watts RMS
• Curvilinear Non-Pressed Paper cone material
• Impedance: 8 ohm
• Sensitivity: 98 dB

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Install kits available for most vehicles

found car based on your search
Fits your GS300
$239.95

In stock

Only 2 Left!

Diamond Audio MS69NEO

1400W Peak (700W RMS) 6x9" MSNEO Series Midrange 4-ohm Car Speakers

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1400W Peak (700W RMS) 6x9" MSNEO Series Midrange 4-ohm Car Speakers

• 700 watts Peak Each, 350 watts RMS Each
• Waterproof DUPONT™ Kevlar cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB
• Mounting Depth: 3.09"

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Install kits available for most vehicles

found car based on your search
Fits your GS300
$829.99 /pair

In stock

Only 3 Left!

• 700 watts Peak Each, 350 watts RMS Each
• Waterproof DUPONT™ Kevlar cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB
• Mounting Depth: 3.09"

MB Quart DK2-110

160W Peak (80W RMS) 4" Discus Series 2-way 4-ohm Coaxial Car Speakers

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160W Peak (80W RMS) 4" Discus Series 2-way 4-ohm Coaxial Car Speakers

• 80 watts Peak Each, 40 watts RMS Each
• Aluminum Inverted Dome tweeters
• Lightweight Thermoformed Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your GS300
  • Lower Front Door
  • Rear Door
List price $69.99
-14% $59.99 /pair

In stock

Continue to cart

Available Offers (2) for MB Quart DK2-110
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List price $69.99
-14% $59.99
$53.99 with coupon | Price details
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Diamond Audio DES69C

300W Peak (150W RMS) 6x9" Elite Series 2-way 4-ohm Component Speaker System

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300W Peak (150W RMS) 6x9" Elite Series 2-way 4-ohm Component Speaker System

• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome tweeters
• Composite foam core carbon fiber 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 your GS300
List price $579.99
-28% $419.99 /set

In stock

Only 3 Left!

Limited time!

Rockford Fosgate Punch P1V2-69

300W Peak (150W RMS) 6x9" Punch P1 Series 3 Way Coaxial 4-ohm Speakers

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300W Peak (150W RMS) 6x9" Punch P1 Series 3 Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 3/4" Tetolon Inverted Dome tweeters
• 3/8" Polypropylene-Piezo super tweeters
• Mica reinforced Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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found car based on your search
Fits your GS300
List price $299.99
Save $75.00
-25% $224.99 /pair

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Hertz X 690

680W Peak (170W RMS) 6x9" Uno Series 4-Way Coaxial 4-ohm Car Speakers

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680W Peak (170W RMS) 6x9" Uno Series 4-Way Coaxial 4-ohm Car Speakers

• 340 watts Peak Each, 85 watts RMS Each
• 1-3/5" PEI (Polyetherimide) Dome Tweeters
• Dual 0.6" Piezoelectric PEI (Polyetherimide) Dome Super-tweeters
• Water-repellent pressed paper cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

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found car based on your search
Fits your GS300
List price $130.00
-15% $109.99 /pair

In stock

AudioControl A69

200W RMS 6x9" Altitude Series 2-Way Coaxial 4-ohm Car Speakers

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200W RMS 6x9" Altitude Series 2-Way Coaxial 4-ohm Car Speakers

• 100 watts RMS Each
• 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 your GS300
List price $179.00
-11% $159.00 /pair

In stock

Only 3 Left!

Limited time!

Soundstream RS.42

160W Peak (80W RMS) 4" Reserve Series 2-way 4-ohm Coaxial Car Speakers

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160W Peak (80W RMS) 4" Reserve Series 2-way 4-ohm Coaxial Car Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 3/4" Woven Poly-nylon Synthetic Hemispherical tweeters
• Natural Pulp Fiber Cone with Mica Crystalline Additive cone material
• Impedance: 4 ohm
• Sensitivity: 84.3 dB

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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your GS300
  • Lower Front Door
  • Rear Door
List price $43.99
Save 32%
-32% $29.99 /pair

In stock

Only 1 Left!

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Memphis Audio PRX6903

240W Peak (120W RMS) 6x9" Power Reference Series 3-way 4-ohm Coaxial Car Speakers

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240W Peak (120W RMS) 6x9" Power Reference Series 3-way 4-ohm Coaxial Car Speakers

• 120 watts Peak Each, 60 watts RMS Each
• PEI (Polyetherimide) Dome tweeters
PEI (Polyetherimide) midrange drivers
• Graphite Reinforced Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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Install kits available for most vehicles

found car based on your search
Fits your GS300
List price $189.95
Save $69.96
-37% $119.99 /pair

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Kenwood KFC-6988RS

1340W Peak (280W RMS) 6x9" RS Series 4-Way Coaxial 4-ohm Car Speakers with Dual Super Tweeters

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1340W Peak (280W RMS) 6x9" RS Series 4-Way Coaxial 4-ohm Car Speakers with Dual Super Tweeters

• 670 watts Peak Each, 140 watts RMS Each
• 1-3/4" Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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found car based on your search
Fits your GS300
List price $170.00
-18% $139.00 /pair

In stock

Sony XS-690GS with Sound Damping

840W (120W RMS) 6x9“ GS Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

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840W (120W RMS) 6x9“ GS Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 420 watts Peak Each, 60 watts RMS Each
• 1" Silk Soft Dome tweeters
• Composite Polypropylene Cone - CPPC cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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found car based on your search
Fits your GS300
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List price $188.73
$182.99

In stock

• 420 watts Peak Each, 60 watts RMS Each
• 1" Silk Soft Dome tweeters
• Composite Polypropylene Cone - CPPC cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Sundown Audio VEX-10 (Sold Individually)

500W RMS 10" VEX Series Pro Audio Midrange 8-ohm Speaker (S-VEX108)

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500W RMS 10" VEX Series Pro Audio Midrange 8-ohm Speaker (S-VEX108)

• 500 watts RMS Each
• Carbon Fiber cone material
• Impedance: 8 ohm
• Sensitivity: 96.6 dB

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Fits your GS300
List price $383.99
-17% $319.99

In stock

Only 2 Left!

• 500 watts RMS Each
• Carbon Fiber cone material
• Impedance: 8 ohm
• Sensitivity: 96.6 dB

Hifonics HCC4CX

150W Peak (80W RMS) 4" Colossus Classic Series 2 Way Coaxial 4-ohm Speakers

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150W Peak (80W RMS) 4" Colossus Classic Series 2 Way Coaxial 4-ohm Speakers

• 75 watts Peak Each, 40 watts RMS Each
• 1" Aluminum Dome Tweeters
• Woven Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

1+ offers available
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 GS300
  • Lower Front Door
  • Rear Door
$39.99 /pair

In stock

Continue to cart

Available Offers (2) for Hifonics HCC4CX
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$39.99
$35.99 with coupon | Price details
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Diamond Audio MS692NEO4

1200W Peak (400W RMS) 6x9" MS NEO Series 2-Way Pro Coaxial 4-ohm Powersports and Motorcycle Speakers

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1200W Peak (400W RMS) 6x9" MS NEO Series 2-Way Pro Coaxial 4-ohm Powersports and Motorcycle Speakers

• 600 watts Peak Each, 200 watts RMS Each
• Polyethylene-Naphthalate Horn Tweeters
• Waterproof DUPONT™ Kevlar cone material
• Impedance: 4 ohm
• Sensitivity: 96 dB

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found car based on your search
Fits your GS300
$899.99 /pair

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MB Quart FKB110

160W Peak (80W RMS) 4" Formula Series 2-Way 4-ohm Coaxial Car Speakers

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160W Peak (80W RMS) 4" Formula Series 2-Way 4-ohm Coaxial Car Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 1" Aluminum Dome tweeters
• Lightweight Thermoformed Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 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 GS300
  • Lower Front Door
  • Rear Door
List price $46.99
-36% $29.99 /pair

In stock

NVX - Worth the Envy - Direct to Consumer Car Audio

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    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    FAQ for Speakers in 2004 GS300

    Q: Can I upgrade or change the Speakers in 2004 Lexus GS300?

    A: Yes this page includes all the best Speakers that work in your GS300.

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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
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.