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Metra 40-NI10 Antenna Adapter

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

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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

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Get it Wed, Apr. 3 to VA. Order $49+ to ship free.

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found car based on your search
This product fits your 2004 Q45
5
Was $19.99 Details
$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

Raptor AD-NI1 Antenna Adapter

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

AD-NI1 big
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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
Get it Wed, Apr. 3 to VA. Order $49+ to ship free.

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found car based on your search
This product fits your 2004 Q45
Was $12.99 Details
$3.99

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

Metra 40-NI20 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1987-2024 vehicles from Nissan, Infiniti

40-NI20 big
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Connect your factory antenna to a new aftermarket radio for select 1987-2024 vehicles from Nissan, Infiniti

• Factory Radio to Aftermarket Antenna Adapter
• select 1987-2024 vehicles from Nissan, Infiniti Vehicles
• Nissan diversity factory radio with 2-pin connector to aftermarket antenna
• Retains diversity functions

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Delivers Apr. 10 - Apr. 17 to VA. Order $49+ to ship free.

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found car based on your search
This product fits your 2004 Q45
Was $19.99 Details
$7.99

Available

Ships in 10-14 days

• Factory Radio to Aftermarket Antenna Adapter
• select 1987-2024 vehicles from Nissan, Infiniti Vehicles
• Nissan diversity factory radio with 2-pin connector to aftermarket antenna
• Retains diversity functions

Metra 82-4301

Universal 1" Speaker Spacer Rings for 6" to 6-3/4"

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Universal 1" Speaker Spacer Rings for 6" to 6-3/4"

• Universal 1" Speaker Spacer Rings for 6" to 6.75" Aftermarket Car Speakers
• Color: Black
• High Grade ABS Plastic Construction
• Factory Matched Texture Style

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Get it Wed, Apr. 3 to VA. Order $49+ to ship free.

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found car based on your search
This speaker adapter fits your 2004 Q45
  • Front Door 6.75" Full-Range
  • Rear Door 6.75" Full-Range
3
Was $17.99 Details
$14.99

In stock

• Universal 1" Speaker Spacer Rings for 6" to 6.75" Aftermarket Car Speakers
• Color: Black
• High Grade ABS Plastic Construction
• Factory Matched Texture Style

NVX FRING65

2 Piece 6.5" or 6.75" Self-Adhesive Foam Speaker Ring Baffle Kit

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2 Piece 6.5" or 6.75" Self-Adhesive Foam Speaker Ring Baffle Kit

• Acoustically seals speakers for better sound performance
• Prevents front and rear wave cancellation
• Reduces panels vibrations
• Easy peel and stick installation

Save 10% at CheckoutShop all deals
shipping truck icon
Get it Wed, Apr. 3 to VA. Order $49+ to ship free.

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found car based on your search
This product fits your 2004 Q45
22
Was $19.99 Details
$14.99

In stock

• Acoustically seals speakers for better sound performance
• Prevents front and rear wave cancellation
• Reduces panels vibrations
• Easy peel and stick installation

Limited time!

Kicker CSC654 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series Coaxial Speakers with PEI Tweeters

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600W Peak (200W RMS) 6.5” CS Series Coaxial Speakers with PEI Tweeters

• 300 watts Max Each, 100 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 90 dB
• Mounting Depth: 3/8"

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FREE 3-day shipping to VA. Get it Tue, Apr. 2
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VIP Product Get $6.80 in rewards to spend later

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Up to $11 savings on install accessories you need

found car based on your search
Fits multiple locations in your 2004 Q45
39
Was $99.99 Details
Save $32.03
$67.96 /pair

In stock

Limited time!

Kenwood KFC-1666S

600W Peak (60W RMS) Sport Series 6.5" 2-Way Coaxial Car Speakers

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600W Peak (60W RMS) Sport Series 6.5" 2-Way Coaxial Car Speakers

• 300 Watts Max Each, 30 Watts RMS Each
• 1" Balanced Dome Tweeter
• Polypropylene Cone
• 4 ohms Impedance
• Sensitivity: 90dB
• Mounting Depth: 1-11/16"

shipping truck icon
Fast 3-day shipping to VA. Get it Tue, Apr. 2
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Up to $14 savings on install accessories you need

found car based on your search
Fits multiple locations in your 2004 Q45
18
Was $70.00 Details
Save 60.01%
$27.99 /pair

In stock

NVX VSP65

600W Peak (200W RMS) 6.5" V-Series 2-Way Coaxial Speakers with 25mm Silk Dome Tweeters

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600W Peak (200W RMS) 6.5" V-Series 2-Way Coaxial Speakers with 25mm Silk Dome Tweeters

• 300 watts Peak Each, 100 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 89 dB
• Mounting Depth: 2.51"

shipping truck icon
FREE 3-day shipping to VA. Get it Tue, Apr. 2
VIP Star Icon

VIP Product Get $11.00 in rewards to spend later

install icon

Adapter/Wire Harness available and sold separately

found car based on your search
Fits multiple locations in your 2004 Q45
  • Front Door
  • Rear Door
59
Was $137.99 Details
$109.99 /pair

In stock

Kicker CS65

600W Peak (200W RMS) 6.5" 2-Way CS Series Coaxial Speakers w/ PEI Tweeters

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600W Peak (200W RMS) 6.5" 2-Way CS Series Coaxial Speakers w/ PEI Tweeters

• Peak Power: 600W
• RMS Power: 200W
• 1/2" Polyetherimide (PEI) Balanced Dome Tweeter
• Mounting Depth: 1-11/16"
• Polypropylene Woofer Cone
• 4 Ohms Impedance
• Sensitivity: 90dB

shipping truck icon
FREE 3-day shipping to VA. Get it Tue, Apr. 2
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Up to $13 savings on install accessories you need

found car based on your search
Fits multiple locations in your 2004 Q45
105
Was $99.99 Details
$62.96 /pair

In stock

• Peak Power: 600W
• RMS Power: 200W
• 1/2" Polyetherimide (PEI) Balanced Dome Tweeter
• Mounting Depth: 1-11/16"
• Polypropylene Woofer Cone
• 4 Ohms Impedance
• Sensitivity: 90dB

Metra 82-4401

Universal 1/2" Speaker Adapter 6" to 6-3/4"

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Universal 1/2" Speaker Adapter 6" to 6-3/4"

• Universal 1/2" Speaker Adapter
• Color: Black
• High Grade ABS Plastic Construction
• Factory Matched Texture Style

shipping truck icon
Get it Wed, Apr. 3 to VA. Order $49+ to ship free.

empty

found car based on your search
This speaker adapter fits your 2004 Q45
  • Front Door 6.75" Full-Range
  • Rear Door 6.75" Full-Range
1
Was $19.99 Details
$11.99

In stock

• Universal 1/2" Speaker Adapter
• Color: Black
• High Grade ABS Plastic Construction
• Factory Matched Texture Style

Rockford Fosgate Prime R165X3

180W Peak (90W RMS) 6.5" Prime Series 3-Way Coaxial Car Speakers

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180W Peak (90W RMS) 6.5" Prime Series 3-Way Coaxial Car Speakers

• 90 watts Peak Each, 45 watts RMS Each
• 1/2" Silk Dome Tweeters
• Vacuum Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 91 dB

shipping truck icon
FREE 3-day shipping to VA. Get it Tue, Apr. 2
VIP Star Icon

VIP Product Get $7.00 in rewards to spend later

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Up to $15 savings on install accessories you need

found car based on your search
Fits multiple locations in your 2004 Q45
127
$69.99 /pair

In stock

JL Audio C1-650se

450W Peak (100W RMS) 6.5" C1 Series 2-Way 4-ohm Component Speaker System

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450W Peak (100W RMS) 6.5" C1 Series 2-Way 4-ohm Component Speaker System


• 50 watts RMS Each
• 1" Silk Dome Tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 91 dB

shipping truck icon
FREE 3-day shipping to VA. Get it Tue, Apr. 2
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Up to $15 savings on install accessories you need

found car based on your search
Fits multiple locations in your 2004 Q45
$229.99 /set

In stock


• 50 watts RMS Each
• 1" Silk Dome Tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 91 dB

Limited time!

JBL Club 625SQ

450W Peak (150W RMS) 6.5" 225 Watts Peak 2-Way Shallow Mount Car Audio Speakers (Pair)

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450W Peak (150W RMS) 6.5" 225 Watts Peak 2-Way Shallow Mount Car Audio Speakers (Pair)

• 225 watts Watts Max Each, 75 watts Watts RMS Each
• 3/4" Silk Dome Tweeter
• Carbon Fiber cone material
• Impedance: 3 ohms Ohms
• Sensitivity: 93 dB
• Mounting Depth: 2 1/16"

shipping truck icon
FREE 3-day shipping to VA. Get it Tue, Apr. 2
install icon

Adapter/Wire Harness available and sold separately

found car based on your search
Fits multiple locations in your 2004 Q45
Was $189.95 Details
Save $79.96
$109.99 /pair

In stock

• 225 watts Watts Max Each, 75 watts Watts RMS Each
• 3/4" Silk Dome Tweeter
• Carbon Fiber cone material
• Impedance: 3 ohms Ohms
• Sensitivity: 93 dB
• Mounting Depth: 2 1/16"

Metra 82-4203

6" - 6.75" Universal Speaker Adapter

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6" - 6.75" Universal Speaker Adapter

• Universal Speaker Adapters
• installation of 6 to 6.75 inch speakers
• Sold as Pair

shipping truck icon
Get it Wed, Apr. 3 to VA. Order $49+ to ship free.

empty

found car based on your search
This speaker adapter fits your 2004 Q45
  • Front Door 6.75" Full-Range
  • Rear Door 6.75" Full-Range
Was $19.99 Details
$15.99

In stock

• Universal Speaker Adapters
• installation of 6 to 6.75 inch speakers
• Sold as Pair

JBL Stadium 62CF

660W Peak (220W RMS) 6.5" Stadium Series 2-Way Component Speaker System

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660W Peak (220W RMS) 6.5" Stadium Series 2-Way Component Speaker System

• 330 watts Peak Each, 110 watts RMS Each
• 3/4" Aluminum Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohms
• Sensitivity: 93 dB

shipping truck icon
FREE 3-day shipping to VA. Get it Tue, Apr. 2
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Up to $15 savings on install accessories you need

found car based on your search
Fits multiple locations in your 2004 Q45
1
Was $439.95 Details
$404.95 /pair

In stock

• 330 watts Peak Each, 110 watts RMS Each
• 3/4" Aluminum Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohms
• Sensitivity: 93 dB

NVX VSP65KIT

750W Peak (250W RMS) 6.5" V-Series 2-Way Component Speaker System with 25mm Silk Dome Tweeters

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750W Peak (250W RMS) 6.5" V-Series 2-Way Component Speaker System with 25mm Silk Dome Tweeters

• 375 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 88 dB
• Mounting Depth: 2.51"

Save 10% at CheckoutShop all deals
shipping truck icon
FREE 3-day shipping to VA. Get it Tue, Apr. 2
VIP Star Icon

VIP Product Get $11.00 in rewards to spend later

install icon

Up to $15 savings on install accessories you need

found car based on your search
Fits multiple locations in your 2004 Q45
76
Was $149.99 Details
$109.99 /set

In stock

Rockford Fosgate P1675-S

240W Peak (120W RMS) 6.75" Punch Series 2-Way Component Speaker System

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240W Peak (120W RMS) 6.75" Punch Series 2-Way Component Speaker System

• 120 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Injection molded Mineral-Filled Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 92 dB

shipping truck icon
FREE 3-day shipping to VA. Get it Tue, Apr. 2
VIP Star Icon

VIP Product Get $15.00 in rewards to spend later

install icon

Adapter/Wire Harness available and sold separately

found car based on your search
Fits multiple locations in your 2004 Q45
  • Front Door
  • Rear Door
18
$149.99 /set

In stock

• 120 watts Peak Each, 60 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Injection molded Mineral-Filled Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 92 dB

JL Audio C2-600x

450W Peak (120W RMS) 6” Evolution C2 Series 2-way Coaxial Car Systems

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450W Peak (120W RMS) 6” Evolution C2 Series 2-way Coaxial Car Systems

• 225 watts Peak Each, 60 watts RMS Each
• 3/4" Silk Dome Tweeters
• Mica Injected Polypropylene - MIPP cone material
• Impedance: 4 ohms
• Sensitivity: 90.5 dB

shipping truck icon
FREE 3-day shipping to VA. Get it Tue, Apr. 2
VIP Star Icon

VIP Product Get $25.00 in rewards to spend later

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Up to $15 savings on install accessories you need

found car based on your search
Fits multiple locations in your 2004 Q45
6
Was $279.99 Details
$249.99 /pair

In stock

Memphis PRXS60

160W Peak (80W RMS) 6.5” Power Reference Series 2-way Coaxial Car Speakers

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160W Peak (80W RMS) 6.5” Power Reference Series 2-way Coaxial Car Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 1" Tweeters
• Polypropylene cone material
• Impedance: 2 ohms
• Sensitivity: 86 dB

Buy More, Save MoreView Terms
shipping truck icon
FREE 3-day shipping to VA. Get it Tue, Apr. 2
VIP Star Icon

VIP Product Get $11.00 in rewards to spend later

install icon

Adapter/Wire Harness available and sold separately

found car based on your search
Fits multiple locations in your 2004 Q45
  • Front Door
  • Rear Door
2
Was $139.95 Details
$109.95 /pair

In stock

• 80 watts Peak Each, 40 watts RMS Each
• 1" Tweeters
• Polypropylene cone material
• Impedance: 2 ohms
• Sensitivity: 86 dB

American International USB1000

6-1/2" and 6-3/4" Stackable Speaker Spacers

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6-1/2" and 6-3/4" Stackable Speaker Spacers

• Expertly made from premium materials
• Adapters for speakers
• radio and panel removal tools
bull; Brackets enable installers to utilize 6", 6.5", and 6.75" speakers

shipping truck icon
Get it Wed, Apr. 3 to VA. Order $49+ to ship free.

empty

found car based on your search
This speaker adapter fits your 2004 Q45
  • Front Door 6.75" Full-Range
  • Rear Door 6.75" Full-Range
Was $59.00 Details
$18.99

In stock

• Expertly made from premium materials
• Adapters for speakers
• radio and panel removal tools
bull; Brackets enable installers to utilize 6", 6.5", and 6.75" speakers

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    FAQ for your 2004 Q45

    Q: Can I upgrade the factory stereo system in my 2004 Infiniti Q45?

    A: Yes you can improve your sound in your Q45 by upgrading your speakers and/or adding an amplifier. You may also be able to update the stereo and main display in your 2004 Q45 if there is a dash kit and harness solution available.

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    2004 Infiniti Q45

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    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
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