Garage
Shop

Your Vehicle


Checkmark Icon
Fits select locations in your 2003 Boxster
Add vehicle details to confirm exact location or Update vehicle.

Update vehicle | Remove vehicle | Vehicle store

Shop by Category


Products in these categories contain items that carry a guarantee to fit your Porsche Boxster (change vehicle)

Top sellers

Loading...
Filters
filter-icon Filters & Sort
Limited time!

Rockford Fosgate Punch P1 P152

160W Peak (80W RMS) 5.25" Punch Series 2 Way Coaxial 4-ohm Speakers

P152 big
Go to item page Right Arrow Icon of Right Arrow

160W Peak (80W RMS) 5.25" Punch Series 2 Way Coaxial 4-ohm Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $11.00 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your Boxster
  • Front Door
27
$109.99 /pair

In stock

Used from: $93.49
Limited time!

Rockford Fosgate Power T1 T152

240W Peak (120W RMS) 5.25" Power Series 2-way 4-ohm Coaxial Car Speakers

T152 big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (120W RMS) 5.25" Power Series 2-way 4-ohm Coaxial Car Speakers

• 120 watts Peak Each, 60 watts RMS Each
• 1" Aluminum Dome offset cantilever coaxial mounted tweeters
• Polypropylene-Carbon Fiber Hybrid cone material
• Impedance: 4 ohm
• Sensitivity: 86.5 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $22.00 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your Boxster
  • Front Door
22
$219.99 /pair

In stock

Only 3 Left!

Used from: $186.99
Limited time!

Rockford Fosgate Prime R14X2

120W Peak (60W RMS) 4” Prime Series 2 Way Coaxial 4-ohm Speakers

R14X2 big
Go to item page Right Arrow Icon of Right Arrow

120W Peak (60W RMS) 4” Prime Series 2 Way Coaxial 4-ohm Speakers

• 60 watts Peak Each, 30 watts RMS Each
• 1/2" Silk Dome tweeters
• Vacuum polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $6.50 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your Boxster
  • Dash Corner
14
$64.99 /pair

In stock

Used from: $55.24
Limited time!

Rockford Fosgate Prime R1525X2

160W Peak (80W RMS) 5.25" Prime Series 2 Way Coaxial 4-ohm Speakers

R1525X2 big
Go to item page Right Arrow Icon of Right Arrow

160W Peak (80W RMS) 5.25" Prime Series 2 Way Coaxial 4-ohm Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 1/2" Silk Flush-mounted Dome tweeters
• Vacuum Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $8.00 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your Boxster
  • Front Door
17
$79.99 /pair

In stock

Used from: $67.99
Limited time!

Rockford Fosgate Punch P1 P142

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

P142 big
Go to item page Right Arrow Icon of Right Arrow

120W Peak (60W RMS) 4" Punch Series 2 Way Coaxial 4-ohm 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

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $11.00 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your Boxster
  • Dash Corner
11
$109.99 /pair

In stock

Only 3 Left!

Used from: $93.49
Limited time!

Rockford Fosgate Punch P1V2-5

300W Peak (150W RMS) 5.25" Punch P1 Series 3 Way Coaxial 4-ohm Speakers

P1V2-5 big
Go to item page Right Arrow Icon of Right Arrow

300W Peak (150W RMS) 5.25" 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: 86 dB

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $18.00 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your Boxster
  • Front Door
List price $239.99
Save $60.00
-25% $179.99 /pair

In stock

Rockford Fosgate Punch P152 (Open Box, Great)

160W Peak (80W RMS) 5.25" Punch Series 2-way 4-ohm Full Range Car Speakers

P152 big
Go to item page Right Arrow Icon of Right Arrow

160W Peak (80W RMS) 5.25" Punch Series 2-way 4-ohm Full Range Car Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your Boxster
  • Front Door
27
List price $109.99
-15% $93.49 /pair

In stock

Rockford Fosgate Power T152 (2-Pairs, 4-Total)

480W Peak (240W RMS) 5.25" Power Series 2-way Coaxial Speakers (2-Pairs)

T152_2 big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (240W RMS) 5.25" Power Series 2-way Coaxial Speakers (2-Pairs)

• Peak Power: 120W
• RMS Power: 60W
• Carbon Fiber and Polypropylene Injection Molded Cone
• Butyl Rubber Surround
• 1" Aluminum Dome Tweeter
• Offset Cantilever Coaxial Mounted Tweeter

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 Boxster
22
$439.98

In stock

Only 1 Left!

• Peak Power: 120W
• RMS Power: 60W
• Carbon Fiber and Polypropylene Injection Molded Cone
• Butyl Rubber Surround
• 1" Aluminum Dome Tweeter
• Offset Cantilever Coaxial Mounted Tweeter

Rockford Fosgate Punch P152 (2-Pairs, 4-Total)

320W Peak (160W RMS) 5.25" Punch Series 2-way Coaxial Car Speakers (2-Pairs)

09-P152_2 big
Go to item page Right Arrow Icon of Right Arrow

320W Peak (160W RMS) 5.25" Punch Series 2-way Coaxial Car Speakers (2-Pairs)

• 80 watts Peak Each, 40 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Injection molded Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 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 Boxster
27
$219.98

In stock

• 80 watts Peak Each, 40 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Injection molded Mineral-Filled Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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

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

09-P142_2 big
Go to item page Right Arrow Icon of Right Arrow

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!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Boxster
11
$219.98

In stock

Only 1 Left!

• 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

(2) Pairs Rockford Fosgate R1525X2 5.25" 2-Way 320 Watt Car Audio Speakers

160W Peak (80W RMS) 5-1/4" 2-Way PRIME Series Coaxial Car Speakers Package

R1525X2 2 Pack big
Go to item page Right Arrow Icon of Right Arrow

160W Peak (80W RMS) 5-1/4" 2-Way PRIME Series Coaxial Car Speakers Package

• Peak Power: 80W
• RMS Power: 40W
• 2-Way Coaxial Design
• 4 ohm Impedance
• Polypropylene Cone
• Rubber Surround
• 1/2" Silk Dome Tweeter
• Integrated Crossover

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 Boxster
17
$159.98

In stock

• Peak Power: 80W
• RMS Power: 40W
• 2-Way Coaxial Design
• 4 ohm Impedance
• Polypropylene Cone
• Rubber Surround
• 1/2" Silk Dome Tweeter
• Integrated Crossover

4) New Rockford Fosgate R14X2 4" 120 Watts 2-Way Full Range Car Audio Speakers

120W Peak 4" 2-Way PRIME Series Coaxial Car Audio Speakers Package

R14X2 2 Pack big
Go to item page Right Arrow Icon of Right Arrow

120W Peak 4" 2-Way PRIME Series Coaxial Car Audio Speakers Package

• Peak Power: 120W
• RMS Power: 60W
• 1/2" Silk Balanced Dome Tweeter
• Mounting Depth: 1-3/4"
• Polypropylene Mid-Woofer Cone
• 4 Ohm Impedance
• Sensitivity: 85dB

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 Boxster
14
$129.98

In stock

Only 3 Left!

• Peak Power: 120W
• RMS Power: 60W
• 1/2" Silk Balanced Dome Tweeter
• Mounting Depth: 1-3/4"
• Polypropylene Mid-Woofer Cone
• 4 Ohm Impedance
• Sensitivity: 85dB

Rockford Fosgate Punch P142 (Open Box, Great)

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

P142 big
Go to item page Right Arrow Icon of Right Arrow

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

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

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your Boxster
  • Dash Corner
11
List price $109.99
-15% $93.49 /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
Go to item page Right Arrow Icon of Right Arrow

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

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your Boxster
  • Dash Corner
14
List price $64.99
-15% $55.24 /pair

In stock

Rockford Fosgate Power T152 (Open Box, Great)

240W Peak (120W RMS) 5.25" Power Series 2-way 4-ohm Coaxial Car Speakers

T152 big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (120W RMS) 5.25" Power Series 2-way 4-ohm Coaxial Car Speakers

• 120 watts Peak Each, 60 watts RMS Each
• 1" Aluminum Dome offset cantilever coaxial mounted tweeters
• Polypropylene-Carbon Fiber Hybrid cone material
• Impedance: 4 ohm
• Sensitivity: 86.5 dB

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

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your Boxster
  • Front Door
22
List price $219.99
-15% $186.99 /pair

In stock

Rockford Fosgate Prime R1525X2 (Open Box, Great)

160W Peak (80W RMS) 5.25" PRIME Series 2-way 4-ohm Coaxial Car Speakers

R1525X2 big
Go to item page Right Arrow Icon of Right Arrow

160W Peak (80W RMS) 5.25" PRIME Series 2-way 4-ohm Coaxial Car Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 1/2" Silk Flush-mounted Dome tweeters
• Vacuum Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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

Save $8 on install kits for this speaker

found car based on your search
Fits the following location in your Boxster
  • Front Door
17
List price $79.99
-15% $67.99 /pair

In stock

Rockford Fosgate M0-65B

500W Peak (130W RMS) 6.5” M0 Series 2 Way Coaxial 4-ohm Marine Speakers with Black Grilles

M0-65B big
Go to item page Right Arrow Icon of Right Arrow

500W Peak (130W RMS) 6.5” M0 Series 2 Way Coaxial 4-ohm Marine Speakers with Black Grilles

• 250 watts Peak Each, 65 watts RMS Each
• 1/2" Liquid Crystal Polymer (LCP) Dome Tweeter
• Mineral-Filled Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 90.5 dB
• Mounting Depth: 2.52"

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

VIP Product Get $13.00 in rewards to spend later

3
$129.99 /pair

In stock

Used from: $90.99

• 250 watts Peak Each, 65 watts RMS Each
• 1/2" Liquid Crystal Polymer (LCP) Dome Tweeter
• Mineral-Filled Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 90.5 dB
• Mounting Depth: 2.52"

Rockford Fosgate Punch Pro PP4-NT (Sold Individually)

100W Peak (50W RMS) 1" Punch Series 4-ohm Pro-Audio Horn Tweeter

PP4-NT big
Go to item page Right Arrow Icon of Right Arrow

100W Peak (50W RMS) 1" Punch Series 4-ohm Pro-Audio Horn Tweeter

• 1” Aluminum Pro Audio Horn Tweeter
• 100 watts Peak Each
• 50 watts RMS Each
• 4 ohm Impedance

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

VIP Product Get $15.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

3
$149.99

In stock

• 1” Aluminum Pro Audio Horn Tweeter
• 100 watts Peak Each
• 50 watts RMS Each
• 4 ohm Impedance

Rockford Fosgate M1-65B

600W Peak (150W RMS) 6.5" M1 Series 2 Way Coaxial 4-ohm Marine Speakers with RGB LED and Black Grilles

M1-65B big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (150W RMS) 6.5" M1 Series 2 Way Coaxial 4-ohm Marine Speakers with RGB LED and Black Grilles

• 300 watts Peak Each, 75 watts RMS Each
• 1" Liquid Crystal Polymer (LCP) Balanced Dome Tweeter
• Mineral-Filled Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 2-9/16"

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

VIP Product Get $25.00 in rewards to spend later

$249.99 /pair

In stock

Limited time!

Rockford Fosgate M0-65B (Open Box, Great)

500W Peak (130W RMS) 6.5” M0 Series 2 Way Coaxial 4-ohm Marine Speakers with Black Grilles

M0-65B big
Go to item page Right Arrow Icon of Right Arrow

500W Peak (130W RMS) 6.5” M0 Series 2 Way Coaxial 4-ohm Marine Speakers with Black Grilles

• 250 watts Peak Each, 65 watts RMS Each
• 1/2" Liquid Crystal Polymer (LCP) Dome Tweeter
• Mineral-Filled Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 90.5 dB
• Mounting Depth: 2.52"

10% Off Open Box!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
List price $129.99
-30% $90.99 /pair
$81.89 with coupon | Price details

In stock

• 250 watts Peak Each, 65 watts RMS Each
• 1/2" Liquid Crystal Polymer (LCP) Dome Tweeter
• Mineral-Filled Polypropylene Material
• Impedance: 4 ohm
• Sensitivity: 90.5 dB
• Mounting Depth: 2.52"

Items per page: 20

    Clear all
    why-shoping-with-sonic

    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?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2001 Lincoln LS

    2003 Porsche Boxster

    2007 Ford Taurus

    2016 Lexus LS600hL

    2018 Ford Flex

    1991 Mazda 929

    1990 Volvo 780

    1990 Subaru XT Coupe

    1993 Eagle Vision

    2018 Audi Q5

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    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
    • You get the correct accessories the first time

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