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Discounted install kit, wiring harness and antenna adapters with most stereos
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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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Alpine R2-S65C (Like New (Open Box))

600W Peak (200W RMS) 6.5" Next Generation R-Series 2-way 4-ohm Hi-Res Component Speaker System

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Alpine R2-S65C (Like New (Open Box))

600W Peak (200W RMS) 6.5" Next Generation R-Series 2-way 4-ohm Hi-Res Component Speaker System

• 300 watts Peak Each, 100 watts RMS Each
• Hi-Res Audio certified
• 1" Magnesium Hard Dome swivel-mount tweeters with threaded removable housing
• Reinforced Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

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Save $30 on install kits for this speaker

List price $480.00
-29% $339.96 /set

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• 300 watts Peak Each, 100 watts RMS Each
• Hi-Res Audio certified
• 1" Magnesium Hard Dome swivel-mount tweeters with threaded removable housing
• Reinforced Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 88 dB

Alpine S2-S30 (Open Box, Great)

520W Peak (170W RMS) 3" S-Series Hi-Res 2-Way Coaxial 4-ohm Shallow Car Speakers

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Alpine S2-S30 (Open Box, Great)

520W Peak (170W RMS) 3" S-Series Hi-Res 2-Way Coaxial 4-ohm Shallow Car Speakers

• 260 watts Peak Each, 85 watts RMS Each
• Hi-Res Audio Certified
• 3/4" Dome Tweeters
• Lightweight Rigid Pulp cone material
• Impedance: 4 ohm
• Sensitivity: 83 dB

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Install kits available for most vehicles

List price $140.00
-40% $83.97 /pair

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• 260 watts Peak Each, 85 watts RMS Each
• Hi-Res Audio Certified
• 3/4" Dome Tweeters
• Lightweight Rigid Pulp cone material
• Impedance: 4 ohm
• Sensitivity: 83 dB

Alpine R2-S69C (Open Box, Great)

600W Peak (200W RMS) 6x9" R-Series 2-way 4-ohm Component Speaker System

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Alpine R2-S69C (Open Box, Great)

600W Peak (200W RMS) 6x9" R-Series 2-way 4-ohm Component Speaker System

• 300 watts Peak Each, 100 watts RMS Each
• 1" Magnesium Hard Dome tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Install kits available for most vehicles

List price $540.00
-38% $337.46 /set

In stock

Only 1 Left!

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• 300 watts Peak Each, 100 watts RMS Each
• 1" Magnesium Hard Dome tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Alpine DM-65-G (Like New (Open Box))

400W Peak (100W RMS) 6.5" M Series 2-way 4-ohm Coaxial Car Speakers

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Alpine DM-65-G (Like New (Open Box))

400W Peak (100W RMS) 6.5" M Series 2-way 4-ohm Coaxial Car Speakers

• 200 watts Peak Each, 50 watts RMS Each
• Teteron Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm

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Save $11 on install kits for this speaker

List price $110.00
-30% $76.46 /pair

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Alpine SXE-1726S (Open Box, Great)

440W Peak (80W RMS) 6.5" SXE Series 2-way 4-ohm Coaxial Car Speakers

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Alpine SXE-1726S (Open Box, Great)

440W Peak (80W RMS) 6.5" SXE Series 2-way 4-ohm Coaxial Car Speakers

• 220 watts Peak Each, 40 watts RMS Each
• 1" Carbon Graphite Dome tweeters
• Nano Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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Save $2 on install kits for this speaker

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$41.97 /pair

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Alpine EL-E65-G (Open Box, Great)

320W Peak (80W RMS) 6.5" E Series 2-way 4-ohm Coaxial Car Speakers

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Alpine EL-E65-G (Open Box, Great)

320W Peak (80W RMS) 6.5" E Series 2-way 4-ohm Coaxial Car Speakers

• 160 watts Peak Each, 45 watts RMS Each
• 0.78" Teteron Dome tweeters
• Injection Molded Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Install kits available for this speaker

List price $90.00
-46% $48.97 /pair

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