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Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
Design
The number of individual drivers in a car speaker. Speakers with 2 drivers are known as a 2-way, and 3 drivers are known as a 3-way. Component systems are often referred to as "separates" because the tweeter is not attached to the midwoofer (main speaker driver) and mounts separately in a location such as a door post. Component systems typically come with an external crossover so you can easily adjust the high and low frequencies sent to both the midwoofer and the tweeter. Center channel speakers are great for those looking to have surround sound in their vehicle.
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
  Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.
Tweeter Design
Designs such as cone, dome, semi-dome, balanced dome, and whizzer are most popular. Cone tweeters are simple, efficient and typically are the most reasonably priced. Dome tweeters are used in most home speakers, and provide a smoother and more accurate sound. Semi-dome design is one with a dome placed inside a cone. A Balanced dome driver is a semi-dome with equal reproduction area given the cone and dome portions of the driver. A whizzer tweeter is a separate tweeter cone driven by the voice coil of the woofer.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
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Limited time!

Infinity REF697F (INFSPKRF697FUS)

600W Peak (200W RMS) 6x9" Reference Series 2-Way Coaxial 4-ohm Speakers

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Infinity REF697F (INFSPKRF697FUS)

600W Peak (200W RMS) 6x9" Reference Series 2-Way Coaxial 4-ohm Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 1" Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 94 dB

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5
List price $169.95
-18% $139.95 /pair

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Infinity Reference 5030cx (REF5030CX)

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

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Infinity Reference 5030cx (REF5030CX)

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

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2
List price $249.95
-60% $99.95 /set

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Infinity REF697CF (INFSPKRF697CFUS)

750W Peak (250W RMS) 6x9" Reference Series 2-Way 3-ohm Component Speaker System

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Infinity REF697CF (INFSPKRF697CFUS)

750W Peak (250W RMS) 6x9" Reference Series 2-Way 3-ohm Component Speaker System

• 375 watts Peak Each, 125 watts RMS Each
• 3/4" Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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List price $309.95
-10% $279.95 /set

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Infinity REF687F (INFSPKRF687FUS)

360W Peak (120W RMS) 6x8" Reference Series 2-Way Coaxial 3-ohm Speakers

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Infinity REF687F (INFSPKRF687FUS)

360W Peak (120W RMS) 6x8" Reference Series 2-Way Coaxial 3-ohm Speakers

• 180 watts Peak Each, 60 watts RMS Each
• 1" Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

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List price $159.95
-19% $129.95 /pair

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Infinity REF507CF (INFSPKRF507CFUS)

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

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Infinity REF507CF (INFSPKRF507CFUS)

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!
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List price $249.95
-12% $219.95 /set

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Infinity Kappa 603CF (INFSPKKA603CFAM)

660W Peak (220W RMS) 6.5" Kappa Series 2 Way 3-ohm Component Speaker System

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Infinity Kappa 603CF (INFSPKKA603CFAM)

660W Peak (220W RMS) 6.5" Kappa Series 2 Way 3-ohm Component Speaker System

• 330 watts Peak Each, 110 watts RMS Each
• 3/4" Silk Edge Driven Dome Tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Free Baffles with Select Speakers Shop deal
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6
List price $499.95
Save $140.00
-28% $359.95 /set

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Infinity Kappa 63XF (INFSPKKA63XFAM)

510W Peak (170W RMS) 6.5" Kappa Series 2 Way Coaxial 3-ohm Speakers

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Infinity Kappa 63XF (INFSPKKA63XFAM)

510W Peak (170W RMS) 6.5" Kappa Series 2 Way Coaxial 3-ohm Speakers

• 255 watts Peak Each, 85 watts RMS Each
• Silk Edge Driven Dome 40kHz high-resolution unipivot tweeters
• Glass Fiber cone material with Plus One woofer cone architecture
• Impedance: 3 ohm
• Sensitivity: 93 dB

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10
List price $299.95
Save $100.00
-33% $199.95 /pair

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Infinity Reference REF-4032cfx (REF4032CFXAM)

210W Peak (70W RMS) 4" Reference Series 2 Way Coaxial 3-ohm Speakers

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Infinity Reference REF-4032cfx (REF4032CFXAM)

210W Peak (70W RMS) 4" Reference Series 2 Way Coaxial 3-ohm Speakers

• 105 watts Peak Each, 35 watts RMS Each
• 1" Textile Balanced Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

Free Speaker Accessory at Checkout!
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1
List price $139.95
-43% $79.99 /pair

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Infinity PR693M (INFSPKPR693M)

360W Peak (120W RMS) 6x9” Primus Series 3 Way Coaxial 3-ohm Speakers

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Infinity PR693M (INFSPKPR693M)

360W Peak (120W RMS) 6x9” Primus Series 3 Way Coaxial 3-ohm Speakers

• 180 watts Peak Each, 60 watts RMS Each
• 3/4" Silk Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Free Speaker Accessory at Checkout!
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VIP Product Get $15.00 in rewards to spend later

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1
List price $179.95
-17% $149.96 /pair

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Infinity Kappa 693M (INFSPKKA693MAM)

720W Peak (240W RMS) 6x9” Kappa Series 3 Way Coaxial 3-ohm Speakers

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Infinity Kappa 693M (INFSPKKA693MAM)

720W Peak (240W RMS) 6x9” Kappa Series 3 Way Coaxial 3-ohm Speakers

• 360 watts Peak Each, 120 watts RMS Each
• Silk Edge Driven Dome tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 94 dB

Free Speaker Accessory at Checkout!
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VIP Product Get $24.00 in rewards to spend later

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6
List price $349.95
Save $110.00
-31% $239.95 /pair

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Infinity Primus 503CF (PR503CF)

300W Peak (100W RMS) 5.25” Primus Series 2 Way 3-ohm Component Speaker System

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Infinity Primus 503CF (PR503CF)

300W Peak (100W RMS) 5.25” Primus Series 2 Way 3-ohm Component Speaker System

• 150 watts Peak Each, 50 watts RMS Each
• 3/4" Silk Edge Driven Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 91 dB

Free Speaker Accessory at Checkout!
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VIP Product Get $12.00 in rewards to spend later

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1
List price $149.95
-20% $119.95 /set

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Infinity Kappa 503CF (INFSPKKA503CFAM)

480W Peak (160W RMS) 5.25" Kappa Series 2-Way Component 3-ohm Speaker System

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Infinity Kappa 503CF (INFSPKKA503CFAM)

480W Peak (160W RMS) 5.25" Kappa Series 2-Way Component 3-ohm Speaker System

• 240 watts Peak Each, 80 watts RMS Each
• 3/4" Silk Edge Driven Dome uni-pivot and angled tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Free Speaker Accessory at Checkout!
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VIP Product Get $28.00 in rewards to spend later

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1
List price $449.95
Save $169.96
-38% $279.99 /set

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Infinity Kappa 683XF (INFSPKKA683XFAM)

600W Peak (200W RMS) 6x8" Kappa Series 2-Way Coaxial 3-ohm Car Speakers

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Infinity Kappa 683XF (INFSPKKA683XFAM)

600W Peak (200W RMS) 6x8" Kappa Series 2-Way Coaxial 3-ohm Car Speakers

• 300 watts Peak Each, 100 watts RMS Each
• 3/4" Textile Edge Driven Dome tweeters
• Glass Fiber cone material
• Plus One woofer cone architecture
• Impedance: 3 ohm
• Sensitivity: 93 dB

Free Speaker Accessory at Checkout!
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VIP Product Get $22.40 in rewards to spend later

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3
List price $329.95
Save $106.00
-32% $223.95 /pair

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Infinity REF467F (INFSPKRF467FUS)

270W Peak (90W RMS) 4x6" Reference Series 2-Way Coaxial 3-ohm Speakers

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Infinity REF467F (INFSPKRF467FUS)

270W Peak (90W RMS) 4x6" Reference Series 2-Way Coaxial 3-ohm Speakers

• 135 watts Peak Each, 45 watts RMS Each
• 1/2" Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

Free Speaker Accessory at Checkout!
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VIP Product Get $11.00 in rewards to spend later

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Free or discounted install kits when available.

List price $139.95
-21% $109.95 /pair

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Infinity KAPPA 693C (INFSPKKA693CFAM)

870W Peak (290W RMS) 6x9” Kappa Series 2 Way Component 4-ohm Speaker System

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Infinity KAPPA 693C (INFSPKKA693CFAM)

870W Peak (290W RMS) 6x9” Kappa Series 2 Way Component 4-ohm Speaker System

• 435 watts Peak Each, 145 watts RMS Each
• 3/4" Textile Edge Driven Dome tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 94 dB

Free Speaker Accessory Kit at Checkout!
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VIP Product Get $40.00 in rewards to spend later

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Free or discounted install kits when available.

List price $549.95
Save $150.00
-27% $399.95 /set

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Infinity Primus 603CF (PR603CF)

360W Peak (120W RMS) 6.5" Primus Series 2 Way 3-ohm Component Speaker System

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Infinity Primus 603CF (PR603CF)

360W Peak (120W RMS) 6.5" Primus Series 2 Way 3-ohm Component Speaker System

• 180 watts Peak Each, 60 watts RMS Each
• 3/4" Silk Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 dB

Free Speaker Accessory at Checkout!
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VIP Star Icon

VIP Product Get $13.00 in rewards to spend later

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Free or discounted install kits when available.

1
List price $159.95
-19% $129.95 /set

In stock

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Infinity REF507F (INFSPKRF507FUS)

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

REF507F big
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Infinity REF507F (INFSPKRF507FUS)

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

• 135 watts Peak Each, 45 watts RMS Each
• Textile Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 92 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

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Free or discounted install kits when available.

1
List price $139.95
-21% $109.95 /pair

In stock

Add to Cart
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Limited time!

Infinity Primus 503F (INFSPKPR503F)

240W Peak (80W RMS) 5.25” Primus Series 2 Way Coaxial 3-ohm Speakers

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Infinity Primus 503F (INFSPKPR503F)

240W Peak (80W RMS) 5.25” Primus Series 2 Way Coaxial 3-ohm Speakers

• 120 watts Peak Each, 40 watts RMS Each
• 1/2" Silk Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 3 ohm
• Sensitivity: 91 dB

Free Speaker Accessory at Checkout!
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Free or discounted install kits when available.

List price $99.95
-30% $69.95 /pair

In stock

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Infinity Kappa 53XF (INFSPKKA53XFAM)

360W Peak (120W RMS) 5.25" Kappa Series 2-Way Coaxial 3-ohm Car Speakers

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Infinity Kappa 53XF (INFSPKKA53XFAM)

360W Peak (120W RMS) 5.25" Kappa Series 2-Way Coaxial 3-ohm Car Speakers

• 180 watts Peak Each, 60 watts RMS Each
• Silk Edge Driven Dome tweeters
• Glass Fiber cone material
• Impedance: 3 ohm
• Sensitivity: 93 dB

Free Speaker Accessory at Checkout!
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VIP Product Get $16.00 in rewards to spend later

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Free or discounted install kits when available.

List price $249.95
Save $90.00
-36% $159.95 /pair

In stock

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Infinity REF-5030cx (REF5030CXAM)

390W Peak (130W RMS) 5.25” Reference Series 3 ohm Component Speaker System

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Infinity REF-5030cx (REF5030CXAM)

390W Peak (130W RMS) 5.25” Reference Series 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.
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Free or discounted install kits when available.

1
List price $249.95
-56% $109.95 /set

In stock

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