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Rockford Fosgate Punch P2 P2V2-675

300W Peak (150W RMS) 6.75" Punch P2 Series 2-Way 4-ohm Convertible Component Car Speakers

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300W Peak (150W RMS) 6.75" Punch P2 Series 2-Way 4-ohm Convertible Component Car Speakers

• 150 watts Peak Each, 75 watts RMS Each
• 3/4" Tetolon Inverted Dome Tweeters
• 20-40% Mica reinforced Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Fits multiple locations in your Q45
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  • Rear Door
List price $503.99
Save $124.00
-25% $379.99 /set

In stock

Hertz CK 165L + FREE $100 Gift Card

6.5" Cento Series 2-Way Component Speaker system

CK 165L, 100EGIFT big
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6.5" Cento Series 2-Way Component Speaker system

• 150 Watts Max Each, 50 Watts RMS Each
•Non Pressed Paper cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92 dB

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found car based on your search
Fits multiple locations in your Q45
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  • Rear Door
7
List price $560.00
-29% $399.99 /set

In stock

• 150 Watts Max Each, 50 Watts RMS Each
•Non Pressed Paper cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92 dB

Hertz CK 165 + FREE $100 Gift Card

6.5" Cento Series 2-Way Component Speaker system

CK 165, 100EGIFT big
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6.5" Cento Series 2-Way Component Speaker system

• 142 Watts Max Each, 45 Watts RMS Each
•Semi Pressed Paper-Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 93 dB
• Mounting Depth: 2"

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found car based on your search
Fits multiple locations in your Q45
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  • Rear Door
6
List price $580.00
-31% $399.99 /set

In stock

Only 2 Left!

• 142 Watts Max Each, 45 Watts RMS Each
•Semi Pressed Paper-Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 93 dB
• Mounting Depth: 2"

NVX NSP65 - Open Box, Great

540W Peak (180W RMS) 6.5" N-Series 2-Way Coaxial Speakers with 20mm Silk Dome Tweeters

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540W Peak (180W RMS) 6.5" N-Series 2-Way Coaxial Speakers with 20mm Silk Dome Tweeters

• 270 watts Peak Each, 90 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB
• Mounting Depth: 2.40"

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Fits multiple locations in your Q45
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4
List price $83.99
-35% $54.99 /pair

In stock

Limited time!

Alpine HDZ-65CS

600W Peak (200W RMS) 6.5” Status Series Hi-Res 2-Way Component 4-ohm Shallow Speaker System

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600W Peak (200W RMS) 6.5” Status Series Hi-Res 2-Way Component 4-ohm Shallow Speaker System

• 300 watts Peak Each, 100 watts RMS Each
• Hi-Res Audio Certified
• 1" Carbon Composite Cone Tweeters
• Slim-fit shallow tweeter construction
• Carbon Composite cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Fits multiple locations in your Q45
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List price $1080.00
Save $360.05
-33% $719.95 /set

Available

Ships in 10-14 days

Limited time!

Diamond Audio HX653DI

300W RMS 6.5" HEX Diamante Italia Series 3-Way 3.3-ohm Component Speaker System

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300W RMS 6.5" HEX Diamante Italia Series 3-Way 3.3-ohm Component Speaker System

• 150 watts RMS Each
• 1" Silk Dome Tweeters
• Bronze Fiberglass cone material
• Impedance: 3.3 ohm
• Sensitivity: 90 dB

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$1,319.99 /set

In stock

Only 1 Left!

Rockford Fosgate Power T1675 with Sound Damping

300W Peak (150W RMS) 6.75” Power Series 2-way 4-ohm Full Range Car Speakers + NVX SDBSK2 Premium Sound Damping

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300W Peak (150W RMS) 6.75” Power Series 2-way 4-ohm Full Range Car Speakers + NVX SDBSK2 Premium Sound Damping

• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome tweeters
• Carbon Fiber Reinforced IMPP cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

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found car based on your search
Fits your Q45
64
List price $238.73
$234.98

In stock

• 150 watts Peak Each, 75 watts RMS Each
• 1" Aluminum Dome tweeters
• Carbon Fiber Reinforced IMPP cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Hertz CK 165F + $100 Gift Card

6.5" Cento Series 2-Way Flat-profile Component Speaker system

CK 165F, 100EGIFT big
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6.5" Cento Series 2-Way Flat-profile Component Speaker system

• 135 Watts Max Each, 45 Watts RMS Each
•Semi Pressed Paper-Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 93 dB

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Install kits available for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
6
List price $580.00
-31% $399.99 /set

Available

Ships in 10-14 days

• 135 Watts Max Each, 45 Watts RMS Each
•Semi Pressed Paper-Mica cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 93 dB

NVX XSP652 (Open Box, Great)

600W Peak (200W RMS) 6.5" X-Series 2-Way Coaxial Speakers with Carbon Fiber Cones and 25mm Silk Dome Tweeters

XSP652 big
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600W Peak (200W RMS) 6.5" X-Series 2-Way Coaxial Speakers with Carbon Fiber Cones and 25mm Silk Dome Tweeters

• 300 watts Max Each, 100 watts RMS Each
• 1" Silk Dome Tweeters
• Lightweight Carbon Fiber cone
• Impedance: 4 ohm
• Sensitivity: 92 dB
• Mounting Depth: 2.52"

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found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
2
List price $143.99
-35% $93.73 /pair

In stock

Only 2 Left!

Hertz CPX 165 with Sound Damping

570W Peak (190W RMS) 6.5" Cento Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

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570W Peak (190W RMS) 6.5" Cento Series 2-Way Coaxial Car Speakers + NVX SDSK2 Sound Damping

• 285 watts Peak Each, 95 watts RMS Each
• 0.9 Tetolon Dome Tweeters
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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Fits your Q45
50
List price $423.74
-14% $364.98

In stock

• 285 watts Peak Each, 95 watts RMS Each
• 0.9 Tetolon Dome Tweeters
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Hertz CPK 165 + FREE $200 Gift Card

160W RMS 6.5" Cento Series 2-Way Component Speaker System

CPK 165, 200EGIFT big
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160W RMS 6.5" Cento Series 2-Way Component Speaker System

• 160 Watts Max Each, 55 Watts RMS Each
•Pressed-paper cone cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92.5 dB

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found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
2
List price $800.00
-38% $499.99 /set

In stock

• 160 Watts Max Each, 55 Watts RMS Each
•Pressed-paper cone cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92.5 dB

NVX NSP65 - Like New (Open Box)

540W Peak (180W RMS) 6.5" N-Series 2-Way Coaxial Speakers with 20mm Silk Dome Tweeters

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540W Peak (180W RMS) 6.5" N-Series 2-Way Coaxial Speakers with 20mm Silk Dome Tweeters

• 270 watts Peak Each, 90 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB
• Mounting Depth: 2.40"

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Save $12 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 $83.99
-35% $54.99 /pair

In stock

Only 3 Left!

Rockford Fosgate Power T1675-S with Sound Damping

400W Peak (200W RMS) 6.75" Power Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

T1675S_SDBSK2 big
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400W Peak (200W RMS) 6.75" Power Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

• 200 watts Peak Each, 100 watts RMS Each
• 1" Cloth Dome tweeters with integral suspension
• Carbon Fiber Reinforced IMPP cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

Save 15% Off Package Deals at Checkout!
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Fits your Q45
59
List price $378.73
$374.98

In stock

• 200 watts Peak Each, 100 watts RMS Each
• 1" Cloth Dome tweeters with integral suspension
• Carbon Fiber Reinforced IMPP cone material
• Impedance: 4 ohm
• Sensitivity: 89 dB

NVX XSP652 (Like New (Open Box))

600W Peak (200W RMS) 6.5" X-Series 2-Way Coaxial Speakers with Carbon Fiber Cones and 25mm Silk Dome Tweeters

XSP652 big
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600W Peak (200W RMS) 6.5" X-Series 2-Way Coaxial Speakers with Carbon Fiber Cones and 25mm Silk Dome Tweeters

• 300 watts Max Each, 100 watts RMS Each
• 1" Silk Dome Tweeters
• Lightweight Carbon Fiber cone
• Impedance: 4 ohm
• Sensitivity: 92 dB
• Mounting Depth: 2.52"

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Install kits available for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
List price $143.99
-29% $101.99 /pair

In stock

Only 1 Left!

Alpine S2-S65C (2-Pairs, 4-Total)

960W Peak (320W RMS) 6.5" S-Series 2-way Component Speaker System (2-Pairs)

S2S65C_2 big
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960W Peak (320W RMS) 6.5" S-Series 2-way Component Speaker System (2-Pairs)

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

Save 15% Off Package Deals at Checkout!
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found car based on your search
Fits your Q45
1
List price $440.00
-18% $359.90

In stock

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

NVX VSP65 - Open Box, Great

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

VSP65 big
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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 ohm
• Sensitivity: 89 dB
• Mounting Depth: 2.51"

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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 $107.99
-42% $62.99 /pair

In stock

Only 2 Left!

Hertz CPX 165 + FREE $100 GIft Card

6.5" Cento Series 2-Way Coaxial Car Speakers

CPX 165, 100EGIFT big
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6.5" Cento Series 2-Way Coaxial Car Speakers

• 140 Watts Max Each, 45 Watts RMS Each
• Pressed-paper cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92 dB
• Mounting Depth: 2-5/8"

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Save $13 on install kits for this speaker

found car based on your search
Fits multiple locations in your Q45
  • Front Door
  • Rear Door
8
List price $505.00
-31% $349.99 /pair

In stock

• 140 Watts Max Each, 45 Watts RMS Each
• Pressed-paper cone material
• Tetolon Tweeter dome
• 4 Ohm Impedance
• Sensitivity: 92 dB
• Mounting Depth: 2-5/8"

NVX XSP652 (2-Pairs, 4-Total)

1200W Peak (400W RMS) 6.5" X-Series 2-Way Coaxial Speakers with Carbon Fiber Cones and 25mm Silk Dome Tweeters (2-Pairs)

XSP652_2 big
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1200W Peak (400W RMS) 6.5" X-Series 2-Way Coaxial Speakers with Carbon Fiber Cones and 25mm Silk Dome Tweeters (2-Pairs)

• 300 watts Max Each, 100 watts RMS Each
• 1" Silk Dome Tweeters
• Lightweight Carbon Fiber cone
• Impedance: 4 ohm
• Sensitivity: 92 dB
• Mounting Depth: 2.52"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Q45
19
List price $359.98
-37% $227.98

In stock

• 300 watts Max Each, 100 watts RMS Each
• 1" Silk Dome Tweeters
• Lightweight Carbon Fiber cone
• Impedance: 4 ohm
• Sensitivity: 92 dB
• Mounting Depth: 2.52"

NVX NSP65KIT + NSP65

600W Peak (200W RMS) 6.5" Component Speaker System + NSP65 6.5" Coaxial Speakers

NSP65KIT, NSP65 big
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600W Peak (200W RMS) 6.5" Component Speaker System + NSP65 6.5" Coaxial Speakers

• 600 watts Peak Each, 200 watts RMS Each
• 3/4" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Install kits available for this speaker

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Fits multiple locations in your Q45
  • Front Door
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99
List price $215.98
-29% $152.98 /set

In stock

Rockford Fosgate P1675 with Sound Damping

240W Peak (120W RMS) 6.75” Punch Series 3 Way 4-ohm Car Speaker + NVX SDBSK2 Premium Sound Damping

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240W Peak (120W RMS) 6.75” Punch Series 3 Way 4-ohm Car Speaker + NVX SDBSK2 Premium Sound Damping

• 120 watts Peak Each, 60 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Save 15% Off Package Deals at Checkout!
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Fits your Q45
95
List price $128.73
-6% $120.48

In stock

• 120 watts Peak Each, 60 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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    FAQ for Speakers in 2004 Q45

    Q: Can I upgrade or change the Speakers in 2004 Infiniti Q45?

    A: Yes this page includes all the best Speakers that work in your Q45.

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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