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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.
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.
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 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.
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".
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.
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.

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.
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.
Promotions we have offer More Ways to Shop for items that are on clearance, last chance, special offer and sales, Made in America, and more!

Rockford Fosgate Punch P1675

240W Peak (120W RMS) 6.75” Punch Series 3-way Coaxial Car Speaker

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240W Peak (120W RMS) 6.75” Punch Series 3-way Coaxial Car Speaker

• 120 watts Peak Each, 60 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Injection molded Injection Molded Polypropylene - IMPP cone material
• Impedance: 4 ohms
• Sensitivity: 88 dB

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$99.99 /pair

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• 120 watts Peak Each, 60 watts RMS Each
• 3/4" PEI (Polyetherimide) Dome Tweeters
• Injection molded Injection Molded Polypropylene - IMPP cone material
• Impedance: 4 ohms
• Sensitivity: 88 dB

Hertz CK 165

285W Peak (95W RMS) 6.5" Cento Series 2-Way Component Speaker system

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285W Peak (95W RMS) 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 Ohms Impedance
• Sensitivity: 93 dB
• Mounting Depth: 2"

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$399.99 /set

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Hertz CK 165F

270W Peak (90W RMS) 6.5" Cento Series 2-Way Flat-profile Component Speaker system

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270W Peak (90W RMS) 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 Ohms Impedance
• Sensitivity: 93 dB

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JL Audio C3-650

450W Peak (150W RMS) 6.5" Evolution C3 Series 2-Way Component Speaker System

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450W Peak (150W RMS) 6.5" Evolution C3 Series 2-Way Component Speaker System

• 225 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 90 dB

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Precision Power (PPI) MAS.524

200W Peak (150W) RMS 5.25" MAS Series 4-Ohm 2-Way Coaxial Motorcycle Speakers

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200W Peak (150W) RMS 5.25" MAS Series 4-Ohm 2-Way Coaxial Motorcycle Speakers

• 75 watts RMS Each
• 1" Titanium Dome Tweeters
• Polypropylene Cone
• Impedance: 4 ohms
• Sensitivity: 92 dB

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$269.99 /pair

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• 75 watts RMS Each
• 1" Titanium Dome Tweeters
• Polypropylene Cone
• Impedance: 4 ohms
• Sensitivity: 92 dB

Hertz CK 165L

300W Peak (100W RMS) 6.5" Cento Series 2-Way Component Speaker system

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300W Peak (100W RMS) 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 Ohms Impedance
• Sensitivity: 92 dB

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Deaf Bonce AP-M67AN

1200W Peak (600W RMS) 6.5” Apocalypse Series Midrange Speakers

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1200W Peak (600W RMS) 6.5” Apocalypse Series Midrange Speakers

• 600 watts Peak Each, 300 watts RMS Each
• Paper cone material
• Impedance: 4 ohms
• Sensitivity: 102 dB

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$399.90 /pair

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Hertz DCX87.3

120W Peak (60W RMS) 3.5” Dieci Series 2-Way Coaxial Car Speakers

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120W Peak (60W RMS) 3.5” Dieci Series 2-Way Coaxial Car Speakers

• 60 watts Peak Each, 30 watts RMS Each
• 5/8 PEI (Polyetherimide) Dome Tweeters
• Water-repellent treated paper cone material
• Impedance: 4 ohms
• Sensitivity: 92 dB

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• 60 watts Peak Each, 30 watts RMS Each
• 5/8 PEI (Polyetherimide) Dome Tweeters
• Water-repellent treated paper cone material
• Impedance: 4 ohms
• Sensitivity: 92 dB

Deaf Bonce HDC-2.23

270W Peak (130W RMS) 6.5" Delta Series 2-way 4-ohm Component Speaker System

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270W Peak (130W RMS) 6.5" Delta Series 2-way 4-ohm Component Speaker System

• 135 watts Peak Each, 65 watts RMS Each
• Paper cone material
• Impedance: 4 ohms
• Sensitivity: 90.10 dB

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Ships in 10-14 days

• 135 watts Peak Each, 65 watts RMS Each
• Paper cone material
• Impedance: 4 ohms
• Sensitivity: 90.10 dB

Limited time!

NVX VSP525KIT

750W Peak (250W RMS) 5.25" V-Series 2-Way Component Speaker System with 25mm Silk Dome Tweeters

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750W Peak (250W RMS) 5.25" 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: 86 dB
• Mounting Depth: 2.04"

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$79.99 /set

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Diamond Audio MSPRO65

MSPRO Series 6.5" Midrange Motorcycle Speakers 400W RMS, Pair

Save 20% at Checkout with Code: SEPT20
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MSPRO Series 6.5" Midrange Motorcycle Speakers 400W RMS, Pair

• RMS: 400W / Peak: 800W
• Frequency Response: 110Hz - 10kHz
• Sensitivity: 97dB
• Manufactured to IP65 Marine Grade Compliant Specifications
• Shorting Ring Utilized In Motor Structure For Far-Field Performance

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Infinity Reference 6432CFX (REF6432CFXAM)

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

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

• 135 watts Peak Each, 45 watts RMS Each
• Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohms
• Sensitivity: 92 dB

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$72.99 /pair

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• 135 watts Peak Each, 45 watts RMS Each
• Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohms
• Sensitivity: 92 dB

Pioneer TS-M650PRO

1000W Peak (220W RMS) 6-1/2" PRO Series High Efficiency Mid-Range Car Speaker Drivers

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1000W Peak (220W RMS) 6-1/2" PRO Series High Efficiency Mid-Range Car Speaker Drivers

• 500W Max
• 110W RMS
• 4 ohms Impedance
• Optimally Blended Pulp Cone
• Corrugated Speaker Surround

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NVX VSP4

450W Peak (150W RMS) 4" V-Series 2-Way Coaxial Car Speakers with Silk Dome Tweeters

Save 10% at Checkout with Code: NVX10
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450W Peak (150W RMS) 4" V-Series 2-Way Coaxial Car Speakers with Silk Dome Tweeters

• 225 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 86 dB
• Mounting Depth: 2.04"

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$39.99 /pair

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• 225 watts Peak Each, 75 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 86 dB
• Mounting Depth: 2.04"

Pioneer TS-A1072R

300W Peak (40W RMS) 4” Midrange-Coaxial Speakers

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300W Peak (40W RMS) 4” Midrange-Coaxial Speakers

• Peak Power: 300W
• RMS Power: 40W
• 3/8" Soft Dome Tweeter
• Mounting Depth: 1-11/16"
• Composite Injection Molded Polypropylene with Interlaced Aramid Fiber Cone
• 4 Ohms Impedance
• Sensitivity: 90dB

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$64.99 /pair

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• Peak Power: 300W
• RMS Power: 40W
• 3/8" Soft Dome Tweeter
• Mounting Depth: 1-11/16"
• Composite Injection Molded Polypropylene with Interlaced Aramid Fiber Cone
• 4 Ohms Impedance
• Sensitivity: 90dB

Kenwood KFC-D101

440W Peak (100W RMS) 4" KFC Series 2-way Coaxial Car Speaker

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440W Peak (100W RMS) 4" KFC Series 2-way Coaxial Car Speaker

• 220 watts Peak Each, 50 watts RMS Each
• 1-3/16" Ceramic Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 85 dB

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Was $100.00 Details
$69.99 /pair

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• 220 watts Peak Each, 50 watts RMS Each
• 1-3/16" Ceramic Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 85 dB

Cerwin-Vega V465

800W Peak (150W RMS) 6.5" Vega Series 2-Way Coaxial Car Speakers

Save 15% at Checkout with Code: SEPT15
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800W Peak (150W RMS) 6.5" Vega Series 2-Way Coaxial Car Speakers

• 400 watts Peak Each, 75 watts RMS Each
• 1" Titanium Dome Tweeters
• Curvilinear mica fiber composite cone material
• Impedance: 4 ohms
• Sensitivity: 94 dB

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Cerwin Vega H735

500W Peak (50W RMS) 3.5" HED Series 2-Way Coaxial Car Speakers

Save 15% at Checkout with Code: SEPT15
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500W Peak (50W RMS) 3.5" HED Series 2-Way Coaxial Car Speakers

• 250 watts Peak Each, 25 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome Tweeters
• Graphite-Injected Reinforced Spun cone material
• Impedance: 4 ohms
• Sensitivity: 84.5 dB

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• 250 watts Peak Each, 25 watts RMS Each
• 1" PEI (Polyetherimide) Balanced Dome Tweeters
• Graphite-Injected Reinforced Spun cone material
• Impedance: 4 ohms
• Sensitivity: 84.5 dB

Limited time!

Pioneer TS-A1680F

350W Max (80W RMS) A-Series 6.5" 4-Way Coaxial Speakers

Price Drop, Instant Savings Already Applied!
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350W Max (80W RMS) A-Series 6.5" 4-Way Coaxial Speakers

• 350 Watts Max Each, 80 Watts RMS Each
• Dual 11mm PET dome tweeters
• Carbon and MICA Reinforced IMPP Woofer Cone
• 4 Ohms Impedance
• Sensitivity: 88 dB
• Mounting Depth: 2 3/8"

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Kicker KSC6504 (47KSC6504)

400W Peak (200W RMS) 6.5” KS Series 2-Way Coaxial Car Speakers

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400W Peak (200W RMS) 6.5” KS Series 2-Way Coaxial Car Speakers

• 200 watts Peak Each, 100 watts RMS Each
• 1/2" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 90 dB

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    FAQ for Speakers in 2007 Sierra 2500 HD

    Q: Can I upgrade or change the Speakers in 2007 GMC Sierra 2500 HD?

    A: Yes this page includes all the best Speakers that work in your Sierra 2500 HD.

    2007 GMC Sierra 2500 HD

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