Garage
Shop

Shop all 2002 Infiniti Q45 Car Audio, Speakers, & Electronics

Loading...
Filters
filter-icon Filters & Sort

JBL Club 522F (SPKCB522FAM)

270W Peak (90W RMS) 5.25" Club Series 2 Way Coaxial 3-ohm Speakers

Club 522F big
Go to item page Right Arrow Icon of Right Arrow

270W Peak (90W RMS) 5.25" Club Series 2 Way Coaxial 3-ohm Speakers

• 135 watts Peak Each, 45 watts RMS Each
• Silk Edge Driven Dome tweeters
• UV-Resistant Polypropylene cone material
• Plus One woofer architecture
• Impedance: 3 ohm
• Sensitivity: 91 dB

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

Save $9 on install kits for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
List price $129.95
-42% $74.99 /pair

In stock

Infinity Reference 5030cx (REF5030CX)

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System

Reference 5030cx big
Go to item page Right Arrow Icon of Right Arrow

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System

• 195 watts Peak Each, 65 watts RMS Each
• 3/4" Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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

Save $13 on install kits for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
2
List price $249.95
-60% $99.95 /set

In stock

Used from: $139.99

Metra 40-NI10 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1987-2012 vehicles from Nissan, Infiniti

40-NI10 big
Go to item page Right Arrow Icon of Right Arrow

Connect your factory antenna to a new aftermarket radio for select 1987-2012 vehicles from Nissan, Infiniti

• Factory Antenna to Aftermarket Radio Adapter
• select 1987-2012 vehicles from Nissan, Infiniti Vehicles
• Nissan diversity factory antenna with 2-pin plug to aftermarket radio
• Retains diversity functions

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Q45
5
List price $13.99
-21% $10.99

In stock

• Factory Antenna to Aftermarket Radio Adapter
• select 1987-2012 vehicles from Nissan, Infiniti Vehicles
• Nissan diversity factory antenna with 2-pin plug to aftermarket radio
• Retains diversity functions

Race Sport Accessories H1TLED

H1 Terminator Series Fan-less Shallow-mount LED Conversion Headlight Kit with Pinpoint Projection Optical Aims

H1TLED big
Go to item page Right Arrow Icon of Right Arrow

H1 Terminator Series Fan-less Shallow-mount LED Conversion Headlight Kit with Pinpoint Projection Optical Aims

• H1 Fan-less LED Conversion Headlight Kit
• IP67 waterproof rating
• 2000 lux / 2250 lumens per bulb
• See 2-3 times further than stock lighting systems
• Low-mounting depth base design

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

VIP Product Get $8.90 in rewards to spend later

found car based on your search
Fits your Q45
List price $109.00
-18% $89.00

In stock.

• H1 Fan-less LED Conversion Headlight Kit
• IP67 waterproof rating
• 2000 lux / 2250 lumens per bulb
• See 2-3 times further than stock lighting systems
• Low-mounting depth base design

Limited time!

Infinity REF507CF (INFSPKRF507CFUS)

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System

REF507CF big
Go to item page Right Arrow Icon of Right Arrow

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System

• 195 watts Peak Each, 65 watts RMS Each
• 3/4" Textile Edge Driven Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 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 $13 on install kits for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
List price $249.95
-12% $219.95 /set

In stock

Metra 72-7401

Install New Speakers in select 2000-2024 vehicles from Nissan, Infiniti, Chevrolet

72-7401 big
Go to item page Right Arrow Icon of Right Arrow

Install New Speakers in select 2000-2024 vehicles from Nissan, Infiniti, Chevrolet

• Fits select 2000-2024 vehicles from Nissan, Infiniti, Chevrolet
• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Q45
16
List price $14.99
-13% $12.99

In stock

• Fits select 2000-2024 vehicles from Nissan, Infiniti, Chevrolet
• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Diamond Audio DMDX5

240W Peak (80W RMS) 5" DMD Series 2-Way Cocentric Coaxial 4-ohm Speakers

DMDX5 big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (80W RMS) 5" DMD Series 2-Way Cocentric Coaxial 4-ohm Speakers

• 120 watts Peak Each, 40 watts RMS Each
• Dome Tweeters
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 85 dB

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

VIP Product Get $16.00 in rewards to spend later

install icon

Save $13 on install kits for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
$159.99 /pair

In stock.

PAC LPHNI03

Vehicle Specific Audio Integration T-Harness for select 2002-2021 vehicles from Nissan, Subaru, Infiniti

LPHNI03 big
Go to item page Right Arrow Icon of Right Arrow

Vehicle Specific Audio Integration T-Harness for select 2002-2021 vehicles from Nissan, Subaru, Infiniti

• T-harness to install an aftermarket amplifier, line-out converter or signal processor
• 4-channels of speaker-level signals from factory radio
• Compatible with PAC LocPro line output converters
• Works with amplifiers and sound processors with speaker-level input
• Compatible for select 2002-2021 vehicles from Nissan, Subaru, Infiniti with non-amplified systems

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Q45
List price $109.00
-42% $63.00

In stock

Only 1 Left!

• T-harness to install an aftermarket amplifier, line-out converter or signal processor
• 4-channels of speaker-level signals from factory radio
• Compatible with PAC LocPro line output converters
• Works with amplifiers and sound processors with speaker-level input
• Compatible for select 2002-2021 vehicles from Nissan, Subaru, Infiniti with non-amplified systems

Limited time!

Hertz DSK 130.3

240W Peak (120W RMS) 5.25” Dieci Series 2-way 4-ohm Component Speaker System

DSK 130.3 big
Go to item page Right Arrow Icon of Right Arrow

240W Peak (120W RMS) 5.25” Dieci Series 2-way 4-ohm Component Speaker System

• 120 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Dome-Cone tweeters with high-energy neodymium magnets
• Water-repellent Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93 dB

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

VIP Product Get $20.00 in rewards to spend later

install icon

Save $13 on install kits for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
List price $230.00
-13% $199.99 /set

In stock

Only 3 Left!

Metra 81-4300

Universal Speaker Baffles for 5-1/4" and 6-1/2" Speakers

81-4300 big
Go to item page Right Arrow Icon of Right Arrow

Universal Speaker Baffles for 5-1/4" and 6-1/2" Speakers

• Universal Speaker Baffles
• Works for 5-1/4" & 6-1/2" Speakers
• Durable ABS Plastic Construction
• Protects the Back of the Speaker
• Reduces Panel Vibration
• Blocks Road Noise
• Creates a Tight Acoustic Seal

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Q45
25
List price $24.99
-12% $21.99

In stock

• Universal Speaker Baffles
• Works for 5-1/4" & 6-1/2" Speakers
• Durable ABS Plastic Construction
• Protects the Back of the Speaker
• Reduces Panel Vibration
• Blocks Road Noise
• Creates a Tight Acoustic Seal

Kicker DSC50 (43DSC504)

400W Peak (100W RMS) 5.25" DS Series 2-way 4-ohm Coaxial Car Speakers (DSC504)

43DSC504 big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (100W RMS) 5.25" DS Series 2-way 4-ohm Coaxial Car Speakers (DSC504)

• 200 watts Peak Each, 50 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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

Save $13 on install kits for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
17
List price $84.99
-12% $74.99 /pair

In stock

Polk Audio DB5252 (DB 5252)

600W Peak (200W RMS) 5.25” DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

DB5252 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (200W RMS) 5.25” DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" dual Silk Dome tweeters
• UV-Resistant Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

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

VIP Product Get $20.00 in rewards to spend later

install icon

Save $13 on install kits for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
4
List price $209.99
-5% $200.00 /set

In stock

Only 2 Left!

Limited time!

MTX Audio THUNDER51

360W Peak (180W RMS) 5.25" Thunder Series 2-way 4-ohm Component Speakers System

THUNDER51 big
Go to item page Right Arrow Icon of Right Arrow

360W Peak (180W RMS) 5.25" Thunder Series 2-way 4-ohm Component Speakers System

• 180 watts Peak Each, 90 watts RMS Each
• 1" Silk Soft Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

1+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $20.00 in rewards to spend later

install icon

Save $13 on install kits for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
1
List price $239.95
Save $39.99
-17% $199.96 /set

In stock

Continue to cart

Available Offers (2) for MTX Audio THUNDER51
Offer image
Flash Sale! Save at Checkout!
List price $239.95
-17% $199.96
$169.97 with coupon | Price details
Free Speaker Accessory at Checkout!
Limited time!

Kicker CSC5 (46CSC54)

450W Peak (150W RMS) 5.25” CS Series 2 Way Coaxial 4-ohm Speakers

46CSC54 big
Go to item page Right Arrow Icon of Right Arrow

450W Peak (150W RMS) 5.25” CS Series 2 Way Coaxial 4-ohm Speakers

• 225 watts Peak Each, 75 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome tweeters with neodymium magnets
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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

Save $10 on install kits for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
5
List price $119.99
Save $40.03
-33% $79.96 /pair

In stock

Used from: $69.99 Like New from: $84.99

NVX VSP525KIT

750W Peak (250W RMS) 5.25" V-Series 2 Way Component Car Speakers

VSP525KIT big
Go to item page Right Arrow Icon of Right Arrow

750W Peak (250W RMS) 5.25" V-Series 2 Way Component Car Speakers

• 375 watts Peak Each, 125 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.
VIP Star Icon

VIP Product Get $10.00 in rewards to spend later

install icon

Save $8 on install kits for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
27
List price $119.99
-17% $99.99 /set

In stock

Continue to cart

Available Offers (2) for NVX VSP525KIT
Offer image
Dads & Grads Sale! Save 15% at Checkout!
List price $119.99
-17% $99.99
$84.99 with coupon | Price details
2026-06-30 23:59:00
Free Speaker Accessory at Checkout!
Used from: $88.57

NVX VSP525

480W Peak (160W RMS) 5.25" V-Series 2 Way Coaxial Car Speakers

VSP525 big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (160W RMS) 5.25" V-Series 2 Way Coaxial Car Speakers

• 240 watts Peak Each, 80 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB
• Mounting Depth: 2.16"

2+ offers available
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 $13 on install kits for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
23
List price $95.99
-17% $79.99 /pair

In stock

Continue to cart

Available Offers (2) for NVX VSP525
Offer image
Dads & Grads Sale! Save 15% at Checkout!
List price $95.99
-17% $79.99
$67.99 with coupon | Price details
2026-06-30 23:59:00
Free Speaker Accessory at Checkout!

Kicker CSC5 (46CSC54) (Like New (Open Box))

450W Peak (150W RMS) 5.25” CS Series 2 Way Coaxial 4-ohm Speakers

46CSC54 big
Go to item page Right Arrow Icon of Right Arrow

450W Peak (150W RMS) 5.25” CS Series 2 Way Coaxial 4-ohm Speakers

• 225 watts Peak Each, 75 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome tweeters with neodymium magnets
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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

Save $13 on install kits for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
List price $119.99
-29% $84.99 /pair

In stock

Only 2 Left!

• 225 watts Peak Each, 75 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome tweeters with neodymium magnets
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

JBL Stadium 52CF (Open Box, Great)

480W Peak (160W RMS) 5.25" Stadium Series 2-way Component 3-ohm Speakers

Stadium 52CF big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (160W RMS) 5.25" Stadium Series 2-way Component 3-ohm Speakers

• 240 watts Peak Each, 80 watts RMS Each
• 3/4" Aluminum Edge-driven Dome tweeters
• Glass Fiber Plus One cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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

Save $13 on install kits for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
List price $479.95
-34% $314.97 /set

In stock

Only 1 Left!

• 240 watts Peak Each, 80 watts RMS Each
• 3/4" Aluminum Edge-driven Dome tweeters
• Glass Fiber Plus One cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

JBL GT7-5C with Sound Damping

270W Peak (90W RMS) 5.25" GT7-Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

GT75C_SDBSK2 big
Go to item page Right Arrow Icon of Right Arrow

270W Peak (90W RMS) 5.25" GT7-Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

• 135 watts Peak Each, 45 watts RMS Each
• 1-3/16" Tweeters
• Polypropylene cone material
• Impedance: 4 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 Q45
50
List price $168.69
-20% $134.94

In stock

Only 1 Left!

• 135 watts Peak Each, 45 watts RMS Each
• 1-3/16" Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Limited time!

Pioneer TS-G1320S

500W Peak (70W RMS) 5.25" G-Series 2-way 4-ohm Coaxial Car Speakers

TS-G1320S big
Go to item page Right Arrow Icon of Right Arrow

500W Peak (70W RMS) 5.25" G-Series 2-way 4-ohm Coaxial Car Speakers

• 250 watts Peak Each, 35 watts RMS Each
• 1-3/16" Polyethylene Terephthalate (PET) Balanced Dome tweeters
• Mica Injected Polypropylene - MIPP cone material with Progressive Flex Suspension System (PFSS) spider
• Impedance: 4 ohm
• Sensitivity: 87 dB

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

Save $12 on install kits for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
7
List price $65.00
Save 31%
-31% $44.99 /pair

In stock

Used from: $39.99

Items per page: 20 40 60

    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

    2009 Mazda Tribute

    2011 Volvo XC70

    2021 Audi A5 Sportback

    2002 Infiniti Q45

    2003 Ford Excursion

    2012 Subaru Legacy

    2014 Audi A6

    2004 Honda Element

    2000 Toyota Avalon

    2012 Scion tC

    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.