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Kenwood eXcelon KFC-X463C

200W Peak (60W RMS) 4" x 6" 2-Way Coaxial Car Speakers

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200W Peak (60W RMS) 4" x 6" 2-Way Coaxial Car Speakers

• 4" x 6" 2-way Car Speakers
• 100W Max
• 30W RMS
• Carbon-Polypropylene Cone Woofer
• Butyl Rubber Surround
• 1" PEI Dome Tweeter
• 3 ohms Impedance
• Top-Mount Depth: 1-7/8"

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FREE 3-day shipping to VA. Get it Wed, Oct. 4
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Save $25 off Speaker Installation Accessories, Use Code: ACC25
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Fits the following location in your 1968 GS 400

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Was $130.00 Details
$100.00 /pair

In stock

Metra 82-4601

4" X 6" Speaker Adapter for 4" X 10" Factory Location for select 1958-2003 vehicles from Chevrolet, GMC, Oldsmobile

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4" X 6" Speaker Adapter for 4" X 10" Factory Location for select 1958-2003 vehicles from Chevrolet, GMC, Oldsmobile

• Speaker Adapter
• Made specifically for replacing factory 4" x 10" speakers with aftermarket 4" x 6" speakers
• Color: Black
• All brackets included
• Compatible with select 1958-2003 vehicles from Chevrolet, GMC, Oldsmobile Vehicles

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Fast 3-day shipping to VA. Get it Wed, Oct. 4
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This speaker adapter fits your 1968 GS 400
  • Center Dash 4" x 10" Center Channel

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Was $10.99 Details
$9.99

In stock

• Speaker Adapter
• Made specifically for replacing factory 4" x 10" speakers with aftermarket 4" x 6" speakers
• Color: Black
• All brackets included
• Compatible with select 1958-2003 vehicles from Chevrolet, GMC, Oldsmobile Vehicles

Limited time!

Kicker CSC44 (46CSC44)

150W Peak (50W RMS) 4” CS Series Coaxial Speakers with PEI Dome

Price Drop, Instant Savings Already Applied!
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150W Peak (50W RMS) 4” CS Series Coaxial Speakers with PEI Dome

• 75 watts Max Each, 25 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 88 dB
• Mounting Depth: 1/4"

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FREE 2-day shipping to VA. Get it Tue, Oct. 3
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Price Drop, Instant Savings Already Applied!
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Fits the following location in your 1968 GS 400
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Was $79.99 Details
Save 21.29%
$62.96 /pair

In stock

Kicker KSC4604 (47KSC4604)

300W Peak (150W RMS) 4”x6” KS Series 2-Way Coaxial Car Speakers

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300W Peak (150W RMS) 4”x6” KS Series 2-Way Coaxial Car Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 1/2" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 88 dB

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FREE 2-day shipping to VA. Get it Tue, Oct. 3
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Fits the following location in your 1968 GS 400
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Was $119.99 Details
$99.99 /pair

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Diamond Audio DESK3

100W Peak (50W RMS) 3.5" Elite Series 3-Way Component Speaker System

Save 20% at Checkout with Code: Fall20
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100W Peak (50W RMS) 3.5" Elite Series 3-Way Component Speaker System

• 50 watts Peak Each, 25 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohms
• Sensitivity: 87 dB

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FREE 3-day shipping to VA. Get it Wed, Oct. 4
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Save 20% at Checkout with Code: Fall20
found car based on your search
Fits the following location in your 1968 GS 400

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Was $289.99 Details
$259.99 /set

In stock

• 50 watts Peak Each, 25 watts RMS Each
• 1" Aluminum Dome Tweeters
• Composite foam core carbon fiber cone material
• Impedance: 4 ohms
• Sensitivity: 87 dB

Infinity Kappa 463XF

360W Peak (120W RMS) 4"x6" Kappa Series 2-way Coaxial Car Speakers

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360W Peak (120W RMS) 4"x6" Kappa Series 2-way Coaxial Car Speakers

• 180 watts Peak Each, 60 watts RMS Each
• 1" Silk Edge-driven Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohms
• Sensitivity: 93 dB

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FREE 3-day shipping to VA. Get it Wed, Oct. 4
found car based on your search
Fits the following location in your 1968 GS 400

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Was $269.95 Details
$219.95 /pair

In stock

Crunch CS46CX

500W Max (250W RMS) 4x6" CS Series 2-Way Coaxial Car Speakers

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500W Max (250W RMS) 4x6" CS Series 2-Way Coaxial Car Speakers

• 250W Max each / 125W RMS each
• Neo Mylar Soft Dome Tweeter
• Impedance: 4 ohms
• Cellulose Cone and Rubber Surround

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Fast 3-day shipping to VA. Get it Wed, Oct. 4
found car based on your search
Fits the following location in your 1968 GS 400

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Was $25.99 Details
$24.99 /pair

In stock

Memphis PRX410

100W Peak (50W RMS) 4”x10” Power Reference Series 2-way Car Speakers

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100W Peak (50W RMS) 4”x10” Power Reference Series 2-way Car Speakers

• Peak Power: 100W
• RMS Power: 50W
• PEI dome Tweeter
• Mounting Depth: 2.5"
• Stealthy black-on-black M-Cone design

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FREE 2-day shipping to VA. Get it Tue, Oct. 3
found car based on your search
Fits the following location in your 1968 GS 400
  • Center Dash
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Was $179.95 Details
$139.95 /pair

In stock

NVX NSP410

240W Peak (160W RMS) 4"x10" N-Series 2-Way Coaxial Car Speakers with 20mm Silk Dome Tweeters

Save $25 off Speaker Installation Accessories, Use Code: ACC25
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240W Peak (160W RMS) 4"x10" N-Series 2-Way Coaxial Car Speakers with 20mm Silk Dome Tweeters

• 240 watts Peak Each, 80 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 86 dB

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Fast 3-day shipping to VA. Get it Wed, Oct. 4
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Save $25 off Speaker Installation Accessories, Use Code: ACC25
found car based on your search
Fits the following location in your 1968 GS 400
  • Center Dash

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Was $89.99 Details
Save 50.01%
$44.99 /pair

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MTX TERMINATOR46

160W Peak (80W RMS) 4x6” Terminator Series 2-way Coaxial Speakers

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160W Peak (80W RMS) 4x6” Terminator Series 2-way Coaxial Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 86.1 dB

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FREE 2-day shipping to VA. Get it Tue, Oct. 3
found car based on your search
Fits the following location in your 1968 GS 400
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VIP Product Get $4.00 in rewards to spend later

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Memphis PRX46

120W Peak (60W RMS) 4"x6” Power Reference Series 2-way Coaxial Car Speakers

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120W Peak (60W RMS) 4"x6” Power Reference Series 2-way Coaxial Car Speakers

• 60 watts Peak Each, 30 watts RMS Each
• PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 86 dB

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FREE 2-day shipping to VA. Get it Tue, Oct. 3
found car based on your search
Fits the following location in your 1968 GS 400
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VIP Product Get $11.00 in rewards to spend later

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Was $139.95 Details
$109.95 /pair

In stock

Only 2 Left!

MB Quart FKB 146 (FKB146)

180W Peak (90W RMS) 4"x6" Quart Formula Series 2-way Coaxial Car Speakers

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180W Peak (90W RMS) 4"x6" Quart Formula Series 2-way Coaxial Car Speakers

• 90 watts Peak Each, 45 watts RMS Each
• 1" Aluminum Dome Tweeters
• Thermoformed Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 88 dB

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Fast 3-day shipping to VA. Get it Wed, Oct. 4
found car based on your search
Fits the following location in your 1968 GS 400

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Was $59.99 Details
$24.99 /pair

In stock

• 90 watts Peak Each, 45 watts RMS Each
• 1" Aluminum Dome Tweeters
• Thermoformed Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 88 dB

Crunch CS4CX

200W Peak (100W RMS) 4" 2-Way CS Series Coaxial Car Speakers

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200W Peak (100W RMS) 4" 2-Way CS Series Coaxial Car Speakers

• 200W Max / 100W RMS
• Neo Mylar Soft Dome Tweeter
• Impedance: 4 ohms
• Cellulose Cone and Rubber Surround

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Fast 3-day shipping to VA. Get it Wed, Oct. 4
found car based on your search
Fits the following location in your 1968 GS 400

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2
Was $29.99 Details
$24.99 /pair

In stock

Only 3 Left!

MTX Audio THUNDER46

160W Peak (80W RMS) 4"x6" Thunder Dome Series 2-Way Coaxial Speakers

Save $25 off Speaker Installation Accessories, Use Code: ACC25
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160W Peak (80W RMS) 4"x6" Thunder Dome Series 2-Way Coaxial Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material with NBR surround
• Impedance: 4 ohms
• Sensitivity: 92 dB

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FREE 3-day shipping to VA. Get it Wed, Oct. 4
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Save $25 off Speaker Installation Accessories, Use Code: ACC25
found car based on your search
Fits the following location in your 1968 GS 400

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Was $99.95 Details
$84.95 /pair

In stock

Only 2 Left!

Infinity REF-6432cfx

270W Max (90W RMS) 4" x 6" Reference Series 2-Way Coaxial Car Speakers

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270W Max (90W RMS) 4" x 6" Reference Series 2-Way Coaxial Car Speakers

• 135 Watts Max Each, 45 Watts RMS Each
• Edge-Driven Textile Tweeter
• Plus One Polypropylene Oversized Cone
• 3 ohms Impedance
• Sensitivity: 92dB
• Mounting Depth: 1-7/8"

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FREE shipping to VA. Delivers Oct. 7 - Oct. 11
found car based on your search
Fits the following location in your 1968 GS 400

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Was $139.95 Details
$64.95 /pair

In stock.

• 135 Watts Max Each, 45 Watts RMS Each
• Edge-Driven Textile Tweeter
• Plus One Polypropylene Oversized Cone
• 3 ohms Impedance
• Sensitivity: 92dB
• Mounting Depth: 1-7/8"

Memphis SRX462

100W Peak (50W RMS) 4"x6” Street Reference Series 2-Way Coaxial Car Speakers

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100W Peak (50W RMS) 4"x6” Street Reference Series 2-Way Coaxial Car Speakers

• 50 watts Peak Each, 25 watts RMS Each
• Mylar Dome Tweeters
• Paper cone material
• Impedance: 4 ohms
• Sensitivity: 86 dB

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FREE 2-day shipping to VA. Delivers Oct. 12 - Oct. 19
found car based on your search
Fits the following location in your 1968 GS 400
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Was $79.95 Details
$64.95 /pair

Available

Ships in 10-14 days

Phoenix Gold RX46CX

160W Peak (80W RMS) 4"x6" RX Series 2-way Coaxial Car Speakers

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160W Peak (80W RMS) 4"x6" RX Series 2-way Coaxial Car Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 3/4" Mylar Balanced Dome Tweeters
• Triple Laminate-Treated Paper ultra stiff and light cone material
• Impedance: 4 ohms

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FREE 3-day shipping to VA. Get it Wed, Oct. 4
found car based on your search
Fits the following location in your 1968 GS 400

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Was $69.00 Details
$57.00 /pair

In stock

Only 1 Left!

Massive Audio MX46

360W Peak (80W RMS) 4"x6" MX Series 2-Way Coaxial Car Speakers

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360W Peak (80W RMS) 4"x6" MX Series 2-Way Coaxial Car Speakers

• 180 watts Peak Each, 40 watts RMS Each
• 1/2" PEI (Polyetherimide) Hard Dome Tweeters
• Laminate-Treated Paper cone material
• Impedance: 4 ohms
• Sensitivity: 90.1 dB

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Delivers Oct. 12 - Oct. 19 to VA. Order $49+ to ship free.
found car based on your search
Fits the following location in your 1968 GS 400

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Was $52.49 Details
$41.99 /pair

Available

Ships in 10-14 days

Hertz DCX460.3

80W Peak (40W RMS) 4"x6” Dieci Series 2-way Coaxial Car Speaker

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80W Peak (40W RMS) 4"x6” Dieci Series 2-way Coaxial Car Speaker

• 80 Watts Max Each, 40 Watts RMS Each
• Water-repellent pressed paper Cone
• Woofer magnet: High density flux ferrite
• 4 Ohms Impedance
• Sensitivity: 93 dB
• Mounting Depth: 1-13/16"

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FREE 2-day shipping to VA. Delivers Oct. 12 - Oct. 19
found car based on your search
Fits the following location in your 1968 GS 400
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VIP Product Get $13.00 in rewards to spend later

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Was $160.00 Details
$129.99 /pair

Available

Ships in 10-14 days

Memphis VIV35CV2

200W Peak (100W RMS) 3.5" VIV SixFive Series 2-way Component Car Speakers

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200W Peak (100W RMS) 3.5" VIV SixFive Series 2-way Component Car Speakers

• 100 watts Peak Each, 50 watts RMS Each
• 1.45" Silk Dome Tweeters
• Dual layer composite fiber cone material
• Impedance: 2 ohms
• Sensitivity: 86 dB

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FREE 2-day shipping to VA. Delivers Oct. 12 - Oct. 19
found car based on your search
Fits the following location in your 1968 GS 400
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VIP Product Get $40.00 in rewards to spend later

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Was $499.95 Details
$399.95 /set

Available

Ships in 10-14 days

• 100 watts Peak Each, 50 watts RMS Each
• 1.45" Silk Dome Tweeters
• Dual layer composite fiber cone material
• Impedance: 2 ohms
• Sensitivity: 86 dB

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

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    FAQ for your 1968 GS 400

    Q: Can I upgrade the factory stereo system in my 1968 Buick GS 400?

    A: Yes you can improve your sound in your GS 400 by upgrading your speakers and/or adding an amplifier. You may also be able to update the stereo and main display in your 1968 GS 400 if there is a dash kit and harness solution available.

    1968 Buick GS 400

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