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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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MTX Audio THUNDER68

120W RMS 6x8" Thunder Series 2 Way Coaxial 4-ohm Speakers

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MTX Audio THUNDER68

120W RMS 6x8" Thunder Series 2 Way Coaxial 4-ohm Speakers

• 60 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Save 15% at Checkout!
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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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VIP Product Get $14.00 in rewards to spend later

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Includes FREE/Discounted install accessories

1
$139.95 /pair

In stock

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MTX Audio THUNDER65

120W RMS 6.5" Thunder Series 2 Way Coaxial 4-ohm Speakers

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MTX Audio THUNDER65

120W RMS 6.5" Thunder Series 2 Way Coaxial 4-ohm Speakers

• 60 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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VIP Product Get $12.00 in rewards to spend later

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Includes FREE/Discounted install accessories

3
$119.95 /pair

In stock

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Limited time!

MTX Audio TERMINATOR69

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

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MTX Audio TERMINATOR69

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

• 60 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87.8 dB

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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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Includes FREE/Discounted install accessories

1
Was $89.95 Details
Save 28.89%
$63.96 /pair

In stock

Add to Cart

• 60 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87.8 dB

MTX Audio THUNDER51

360W Peak (180W RMS) 5.25" Thunder Series 2-way 4-ohm Component Speakers System

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MTX Audio THUNDER51

360W Peak (180W RMS) 5.25" Thunder Series 2-way 4-ohm Component Speakers System

• 180 watts Peak Each, 90 watts RMS Each
• 1" Silk Soft Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Free Speaker Accessory at Checkout!
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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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VIP Product Get $25.00 in rewards to spend later

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Includes FREE/Discounted install accessories

1
$249.95 /set

In stock

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MTX Audio THUNDER61

180W RMS 6.5" Thunder Series 2 Way Component 4-ohm Speaker System

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MTX Audio THUNDER61

180W RMS 6.5" Thunder Series 2 Way Component 4-ohm Speaker System

• 90 watts RMS Each
• 1-3/8" Silk Soft Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Free Speaker Accessory at Checkout!
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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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Includes FREE/Discounted install accessories

2
$249.96 /set

In stock

Only 2 Left!

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MTX TERMINATOR6

180W Peak (90W RMS) 6.5" Terminator Series 2 Way Coaxial 4-ohm Speakers

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MTX TERMINATOR6

180W Peak (90W RMS) 6.5" Terminator Series 2 Way Coaxial 4-ohm Speakers

• 90 watts Peak Each, 45 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.8 dB

Save 10% at Checkout!
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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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Includes FREE/Discounted install accessories

2
Was $69.95 Details
$59.95 /pair

In stock

Add to Cart
See all 6 special offers

MTX Audio THUNDER52

180W Peak (90W RMS) 5.25" Thunder Series 2 Way Coaxial 4-ohm Speakers

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MTX Audio THUNDER52

180W Peak (90W RMS) 5.25" Thunder Series 2 Way Coaxial 4-ohm Speakers

• 45 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Free Speaker Accessory at Checkout!
shipping truck icon
FREE 1-day shipping to OH. Get it Wed, Nov. 19
VIP Star Icon

VIP Product Get $12.00 in rewards to spend later

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Includes FREE/Discounted install accessories

2
$119.95 /pair

In stock

Add to Cart
See all 5 special offers
Limited time!

MTX TERMINATOR46

160W Peak (80W RMS) 4x6” Terminator Series 2 Way Coaxial 4-ohm Speakers

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MTX TERMINATOR46

160W Peak (80W RMS) 4x6” Terminator Series 2 Way Coaxial 4-ohm Speakers

• 80 watts Peak Each, 40 watts RMS Each
• 1" Mylar Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.1 dB

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Fast 1-day shipping to OH. Get it Wed, Nov. 19
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Includes FREE/Discounted install accessories

3
Was $64.95 Details
Save 32.32%
$43.96 /pair

In stock

Add to Cart

• 80 watts Peak Each, 40 watts RMS Each
• 1" Mylar Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.1 dB

MTX Audio THUNDER46

160W Peak (80W RMS) 4x6" Thunder Series 2 Way Coaxial 4-ohm Speakers

THUNDER46 big
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MTX Audio THUNDER46

160W Peak (80W RMS) 4x6" Thunder Series 2 Way Coaxial 4-ohm Speakers

• Peak Each, 40 watts RMS Each
• 1" Silk Soft Dome tweeters
• Polypropylene cone material with concave design
• Impedance: 4 ohm
• Sensitivity: 92 dB

Free Speaker Accessory at Checkout!
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FREE 1-day shipping to OH. Get it Wed, Nov. 19
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VIP Product Get $10.00 in rewards to spend later

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Includes FREE/Discounted install accessories

$99.95 /pair

In stock

Only 1 Left!

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Limited time!

MTX TERMINATOR5

140W Peak (70W RMS) 5.25" Terminator Series 2 Way Coaxial 4-ohm Speakers

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MTX TERMINATOR5

140W Peak (70W RMS) 5.25" Terminator Series 2 Way Coaxial 4-ohm Speakers

• 70 watts Peak Each, 35 watts RMS Each
• Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85.3 dB

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Fast 1-day shipping to OH. Get it Wed, Nov. 19
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Includes FREE/Discounted install accessories

Was $69.95 Details
Save 31.44%
$47.96 /pair

In stock

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Limited time!

MTX Audio TERMINATOR6S

90W RMS 6.5" Terminator Series 2 Way Component 4-ohm Speakers

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MTX Audio TERMINATOR6S

90W RMS 6.5" Terminator Series 2 Way Component 4-ohm Speakers

• Peak Each, 45 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85.5 dB

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FREE shipping to OH. Delivers Nov. 29 - Dec. 6
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Includes FREE/Discounted install accessories

Was $99.95 Details
Save 28.00%
$71.96 /set

Available

Ships in 10-14 days

Add to Cart
See all 4 special offers
EXCLUSIVE

MTX Audio TERMINATOR52

140W Peak (70W RMS) 5.25" Terminator Series 2 Way Component 4-ohm Speakers

TERMINATOR52 big
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MTX Audio TERMINATOR52

140W Peak (70W RMS) 5.25" Terminator Series 2 Way Component 4-ohm Speakers

• 70 watts Peak Each, 35 watts RMS Each
• 1" Mylar Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 83.6 dB

Free Speaker Accessory at Checkout!
shipping truck icon
Fast 1-day shipping to OH. Get it Wed, Nov. 19
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Includes FREE/Discounted install accessories

5
Was $129.95 Details
$39.99 /set

In stock

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See all 5 special offers

MTX Audio THUNDER693

200W RMS 6x9" Thunder Series 3-way 4-ohm Coaxial Car Speakers with Dual Tweeters

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MTX Audio THUNDER693

200W RMS 6x9" Thunder Series 3-way 4-ohm Coaxial Car Speakers with Dual Tweeters

• 100 watts RMS Each
• 1-3/16" dual Silk Cone tweeters
• Polypropylene cone material
• 1" Silk Dome super tweeters
• Impedance: 4 ohm
• Sensitivity: 92 dB

Free Speaker Accessory at Checkout!
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FREE shipping to OH. Delivers Nov. 29 - Dec. 6
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VIP Product Get $19.00 in rewards to spend later

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Includes FREE/Discounted install accessories

2
$189.95 /pair

Available

Ships in 10-14 days

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Limited time!

MTX TERMINATOR4

60W RMS 4" Terminator Series 2 Way Coaxial 4-ohm Car Speakers

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MTX TERMINATOR4

60W RMS 4" Terminator Series 2 Way Coaxial 4-ohm Car Speakers

• 30 watts RMS Each
• Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 88.1 dB

shipping truck icon
Fast 1-day shipping to OH. Get it Wed, Nov. 19
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Includes FREE/Discounted install accessories

Was $64.95 Details
Save 32.32%
$43.96 /pair

In stock

Only 1 Left!

Add to Cart

MTX Audio THUNDER681

180W RMS 5x7" / 6x8" Thunder Series 2 Way Component 4-ohm Speaker System

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MTX Audio THUNDER681

180W RMS 5x7" / 6x8" Thunder Series 2 Way Component 4-ohm Speaker System

• 90 watts RMS Each
• 1.18" Silk Soft Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Free Speaker Accessory at Checkout!
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FREE shipping to OH. Delivers Nov. 29 - Dec. 6
VIP Star Icon

VIP Product Get $25.00 in rewards to spend later

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Includes FREE/Discounted install accessories

1
$249.95 /set

Available

Ships in 10-14 days

Add to Cart
See all 5 special offers
Limited time!

MTX TERMINATOR35

80W Peak (40W RMS) 3.5" Terminator Series 2 Way Coaxial 4-ohm Speakers

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MTX TERMINATOR35

80W Peak (40W RMS) 3.5" Terminator Series 2 Way Coaxial 4-ohm Speakers

• 40 watts Peak Each, 20 watts RMS Each
• Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86 dB

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Delivers Nov. 29 - Dec. 6 to OH. Order $49+ to ship free.
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Includes FREE/Discounted install accessories

Was $59.95 Details
Save 33.34%
$39.96 /pair

Available

Ships in 10-14 days

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See all 4 special offers

MTX SS5

250W RMS 5.25" Signature Series 2 Way Component 4-ohm System

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MTX SS5

250W RMS 5.25" Signature Series 2 Way Component 4-ohm System

• 125 watts RMS Each
• 1-3/16" Teteron Dome tweeters
• Glass Fiber cone material
• Impedance: 4 ohm
• Sensitivity: 84.9 dB

Free Speaker Accessory at Checkout!
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FREE shipping to OH. Delivers Nov. 29 - Dec. 6
VIP Star Icon

VIP Product Get $50.00 in rewards to spend later

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Includes FREE/Discounted install accessories

$499.95 /set

Available

Ships in 10-14 days

Add to Cart
See all 5 special offers
 
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