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DS18 ZXI-44

300W Peak (100W RMS) 4" ZXI Series 2-way 4-ohm Coaxial Car Speakers

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300W Peak (100W RMS) 4" ZXI Series 2-way 4-ohm Coaxial Car Speakers

• 150 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Dome tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Install kits available for most vehicles

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Fits multiple locations in your GS300
  • Lower Front Door
  • Rear Door
$80.95 /pair

In stock

Only 1 Left!

Infinity Reference 9632ix (REF-9632IX)

600W Peak (200W RMS) 6x9" Reference Series 2-Way Coaxial 3-ohm Car Speakers

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600W Peak (200W RMS) 6x9" Reference Series 2-Way Coaxial 3-ohm Car Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 1" Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 94 dB

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Install kits available for most vehicles

found car based on your search
Fits your GS300
30
List price $169.95
-18% $139.95 /pair

In stock

NVX - Worth the Envy - Direct to Consumer Car Audio

DS18 PRO-HY69.4B

500W Peak (250W RMS) 6x9" PRO-HY Series 4-ohm Mid-range Speaker with Built-in Driver

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500W Peak (250W RMS) 6x9" PRO-HY Series 4-ohm Mid-range Speaker with Built-in Driver

• 500 watts Peak Each, 250 watts RMS Each
• Water Resistance 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 your GS300
1
$173.95

In stock

Only 1 Left!

Earthquake Sound Focus F6X9

600W Peak 6x9" Focus Series 3-way 4-ohm Coaxial Car Speakers

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600W Peak 6x9" Focus Series 3-way 4-ohm Coaxial Car Speakers

• 600 watts Peak Each
• 0.79" Silk Dome Tweeters
• Poly-Injection 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
2
List price $160.00
$159.99 /pair

In stock.

Diamond Audio MS69CX

1000W Peak (250W RMS) 6x9" Motorsport Series 2-Way Coaxial 4-ohm Marine Speakers

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1000W Peak (250W RMS) 6x9" Motorsport Series 2-Way Coaxial 4-ohm Marine Speakers

• 500 watts Peak Each, 125 watts RMS Each
• 1" Titanium Dome Tweeters
• UV-treated thermal molded waterproof kevlar cone material
• Impedance: 4 ohm
• Sensitivity: 87.4 dB

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Install kits available for most vehicles

found car based on your search
Fits your GS300
2
List price $419.99
-21% $329.99 /pair

In stock

Only 1 Left!

• 500 watts Peak Each, 125 watts RMS Each
• 1" Titanium Dome Tweeters
• UV-treated thermal molded waterproof kevlar cone material
• Impedance: 4 ohm
• Sensitivity: 87.4 dB

Infinity Kappa 693M (INFSPKKA693MAM) with Sound Damping

720W Peak (240W RMS) Kappa Series 6x9” 3-Way Speakers + NVX SDSK2 Sound Damping

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720W Peak (240W RMS) Kappa Series 6x9” 3-Way Speakers + NVX SDSK2 Sound Damping

• 360 watts Peak Each, 120 watts RMS Each
• Silk Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 94 dB

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found car based on your search
Fits your GS300
54
List price $368.69
-31% $254.94

In stock

Only 2 Left!

• 360 watts Peak Each, 120 watts RMS Each
• Silk Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 94 dB

Pioneer TS-A693CH

920W Peak (210W RMS) 6x9" A-Series 2-way 4-ohm Component Car Speakers

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920W Peak (210W RMS) 6x9" A-Series 2-way 4-ohm Component Car Speakers

• 460 watts Peak Each, 105 watts RMS Each
• 3/4" PEI (Polyetherimide) Hard Dome tweeters
• Aramid fiber reinforced Injection Molded 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 $180.00
-17% $149.99 /set

Available

Ships in 10-14 days

DS18 PRO-CUPOLA2 (Sold Individually)

300W Peak (100W RMS) 4" Pro Audio Soft Dome Midrange 4-ohm Loudspeaker

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300W Peak (100W RMS) 4" Pro Audio Soft Dome Midrange 4-ohm Loudspeaker

• 300 watts Peak, 100 watts RMS
• Coated non-resonant soft dome material
• Ultra-high sound quality
• Perfect for studio monitors or Hi-Fi applications
• Impedance: 4 ohm
• Sensitivity: 95 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 $119.99
-17% $99.95

In stock.

Deaf Bonce Apocalypse DPW-1030

1000W Peak (800W RMS) 10" Apocalypse Series 4-ohm Midwoofer Car Speakers

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1000W Peak (800W RMS) 10" Apocalypse Series 4-ohm Midwoofer Car Speakers

• 1000 watts Peak Each, 800 watts RMS Each
• Pressed Paper 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 your GS300
$219.90

Available

Ships in 10-14 days

Limited time!

Cerwin-Vega H40

300W Peak (100W RMS) 4" Vega Series 2-Way Coaxial 4-ohm Speakers

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300W Peak (100W RMS) 4" Vega Series 2-Way Coaxial 4-ohm Speakers

• 150 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome Tweeters
• UV-Treated Polypropylene 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 multiple locations in your GS300
  • Lower Front Door
  • Rear Door
List price $95.99
-17% $79.99 /pair

Available

Ships in 10-14 days

Limited time!

Infinity REF697MF (INFSPKRF697MFUS)

600W Peak (200W RMS) 6x9" Reference Series 3-Way Coaxial 3-ohm Speakers

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600W Peak (200W RMS) 6x9" Reference Series 3-Way Coaxial 3-ohm Speakers

• 300 watts Peak Each, 100 watts RMS Each
• Dual 1" Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 94 dB

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found car based on your search
Fits your GS300
3
List price $199.95
Save $64.00
-32% $135.95 /pair

In stock

JBL GX428 (JBLGX428AM)

210W Peak (70W RMS) 4" GX Series 2 Way Coaxial 2.3-ohm Speakers

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210W Peak (70W RMS) 4" GX Series 2 Way Coaxial 2.3-ohm Speakers

• 105 watts Peak Each, 35 watts RMS Each
• Soft Dome tweeters with deflector
• Polypropylene Plus One woofer cone material
• Impedance: 2.3 ohm
• Sensitivity: 90 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
$64.95 /pair

Available

Ships in 10-14 days

DS18 PRO-X10M

600W Peak (300W RMS) 10" PRO-X Series 8-ohm Mid-Range Loudspeaker

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600W Peak (300W RMS) 10" PRO-X Series 8-ohm Mid-Range Loudspeaker

• 600 watts Peak Each, 300 watts RMS Each
• Non-Pressed 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 your GS300
$89.95

In stock

Only 3 Left!

Limited time!

Alpine S2-S40C

280W Peak (90W RMS) 4" S-Series Hi-Res 2-Way Component Car Speakers

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280W Peak (90W RMS) 4" S-Series Hi-Res 2-Way Component Car Speakers

• 140 watts Peak Each, 45 watts RMS Each
• Hi-Res Audio Certified
• 1" Cloth Dome Tweeters
• Adjustable tweeters with threaded removable housing
• Polypropylene, Glass Fiber and Mica 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 GS300
  • Lower Front Door
  • Rear Door
1
List price $180.00
-17% $149.95 /set

In stock

DS18 PRO-X698BM

550W Peak (275W RMS) 6x9” PRO-X Series 8-ohm Mid-Range Loudspeaker

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550W Peak (275W RMS) 6x9” 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: 98 dB

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Install kits available for most vehicles

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Fits your GS300
$83.95

In stock.

Infinity PR693M (INFSPKPR693M)

360W Peak (120W RMS) 6x9” Primus Series 3 Way Coaxial 3-ohm Speakers

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360W Peak (120W RMS) 6x9” Primus Series 3 Way Coaxial 3-ohm Speakers

• 180 watts Peak Each, 60 watts RMS Each
• 3/4" Silk Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

1+ offers available
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VIP Product Get $15.00 in rewards to spend later

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Install kits available for most vehicles

found car based on your search
Fits your GS300
1
List price $179.95
-17% $149.96 /pair

In stock

Only 1 Left!

Continue to cart

Available Offers (2) for Infinity PR693M (INFSPKPR693M)
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Flash Sale! Save at Checkout!
List price $179.95
-17% $149.96
$134.96 with coupon | Price details
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Cerwin Vega CVMPCL10 (Sold Individually)

500W Peak (250W RMS) 10" Stroker Pro Series Full Range 4-ohm Speaker

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500W Peak (250W RMS) 10" Stroker Pro Series Full Range 4-ohm Speaker

• 500 watts Peak, 250 watts RMS
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 95.9 dB

Flash Sale! Save at Checkout!
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Install kits available for most vehicles

found car based on your search
Fits your GS300
1
List price $227.99
-17% $189.99

In stock

Used from: $209.99

Earthquake Sound VTEK-693

1400W RMS 6x9" VTEK Series 3-way 4-ohm Coaxial Car Speakers

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1400W RMS 6x9" VTEK Series 3-way 4-ohm Coaxial Car Speakers

• 700 watts RMS Each
• 0.79" Silk Dome tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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found car based on your search
Fits your GS300
3
List price $229.00
-8% $209.99 /pair

In stock.

Rockford Fosgate TMS69

400W Peak (200W RMS) 6x9” 2 Way Coaxial Full Range Harley Davidson Speakers

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400W Peak (200W RMS) 6x9” 2 Way Coaxial Full Range Harley Davidson Speakers

• 200 watts Peak Each, 100 watts RMS Each
• 1" Film Dome Tweeters
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

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found car based on your search
Fits your GS300
1
$439.99 /pair

Available

Ships in 10-14 days

• 200 watts Peak Each, 100 watts RMS Each
• 1" Film Dome Tweeters
• Carbon Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

American Bass NEO-10-MR (Sold Individually)

450W Peak (225W RMS) 10" NEO Series Midrange 4-ohm Speaker

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450W Peak (225W RMS) 10" NEO Series Midrange 4-ohm Speaker

• Peak Power: 450 watts
• RMS Power: 225 watts
• Fiber Paper cone material
• Impedance: 4 ohm
• Sensitivity: 98.3 dB

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Install kits available for most vehicles

found car based on your search
Fits your GS300
List price $207.00
-13% $180.79

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!
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    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:

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