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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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Boss Elite BE692C

120W RMS 6x9" Elite Series 2-Way Coaxial 4-ohm Car Speakers

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Boss Elite BE692C

120W RMS 6x9" Elite Series 2-Way Coaxial 4-ohm Car Speakers

• 60 watts RMS Each
• 1.3" Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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

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$129.99 /pair

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Boss Elite BE652C

100W RMS 6.5" Elite Series 2-Way Coaxial 4-ohm Shallow Car Speakers

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Boss Elite BE652C

100W RMS 6.5" Elite Series 2-Way Coaxial 4-ohm Shallow Car Speakers

• 50 watts RMS Each
• 1.1" Dome Tweeters
• Paper cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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

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$99.99 /pair

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Boss Elite BE423

450W Peak 4" Rage Series 3-Way Coaxial 4-ohm Car Speakers with Blue LED Light

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Boss Elite BE423

450W Peak 4" Rage Series 3-Way Coaxial 4-ohm Car Speakers with Blue LED Light

• 225 watts Peak
• 1/2" and 1.25" Piezo Dome Tweeters
• Polypropylene cone material
• Features integrated blue LED illumination
• Impedance: 4 ohm
• Sensitivity: 90 dB

Free Speaker Accessory at Checkout!
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Fits the following location in your Eclipse
  • Dash Corner
List price $66.99
-18% $54.99 /pair

Available

Ships in 10-14 days

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Boss BRS69 (Sold Individually)

120W Peak (60W RMS) 6x9" BRS Series Dual Cone 4-ohm Replacement Speaker

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Boss BRS69 (Sold Individually)

120W Peak (60W RMS) 6x9" BRS Series Dual Cone 4-ohm Replacement Speaker

• 120 watts Peak, 60 watts RMS
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 84 dB

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Free or discounted install kits when available.

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3
List price $42.99
-19% $34.99

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Ships in 10-14 days

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Boss MR652C

700W Peak (350W RMS) 6.5" 2-Way Coaxial 4-ohm Marine Speakers

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Boss MR652C

700W Peak (350W RMS) 6.5" 2-Way Coaxial 4-ohm Marine Speakers

• 350 watts Peak Each, 175 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Poly-Injection cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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List price $179.99
-19% $144.99 /pair

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• 350 watts Peak Each, 175 watts RMS Each
• 1" PEI (Polyetherimide) Dome Tweeters
• Poly-Injection cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Boss MRGB55W

300W Peak 5.25" 2-Way Coaxial 4-ohm Marine Speakers RGB LED Light (White)

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Boss MRGB55W

300W Peak 5.25" 2-Way Coaxial 4-ohm Marine Speakers RGB LED Light (White)

• 150 watts Peak each
• 1" Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
List price $139.99
-21% $109.99 /pair

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Ships in 10-14 days

Add to Cart

• 150 watts Peak each
• 1" Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

 
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    1990 Mitsubishi Eclipse

    1976 Ford E Series

    1999 Jaguar XK8

    2001 Dodge Durango

    2015 Lexus LS600hL

    2002 Jeep Wrangler

    2002 Dodge Ram 1500 Van

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

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