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  3. Car Speakers
  4. 6.75" Speakers

6.75" Speakers for your 1977 Pinto close

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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.
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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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Kicker KSS67 (51KSS6704)

500W Peak (250W RMS) 6.75" KS Series 2 Way Component 4-ohm Speaker System

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Kicker KSS67 (51KSS6704)

500W Peak (250W RMS) 6.75" KS Series 2 Way Component 4-ohm Speaker System

• 250 watts Peak Each, 125 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 91 dB

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List price $279.99
-11% $249.99 /set

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Hertz X 170

400W Peak (100W RMS) 6.75” Uno Series 2-way 4-ohm Coaxial Car Speakers

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Hertz X 170

400W Peak (100W RMS) 6.75” Uno Series 2-way 4-ohm Coaxial Car Speakers

• 200 watts Peak Each, 50 watts RMS Each
• 1" PEI (Polyetherimide) Dome tweeters
• Pressed Paper cone material
• Impedance: 4 ohm
• Sensitivity: 93.5 dB

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List price $95.00
-16% $79.99 /pair

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Diamond Audio H600S

340W Peak (170W RMS) 6.75" HEX Series 2-Way Component 4-ohm Speakers

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Diamond Audio H600S

340W Peak (170W RMS) 6.75" HEX Series 2-Way Component 4-ohm Speakers

• 170 watts Peak Each, 85 watts RMS Each
• 1" Silk Dome Tweeters
• Kevlar Composite hexagonal cone material
• Impedance: 4 ohm
• Sensitivity: 87 dB

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$749.99 /set

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    All About 6.75" Speakers

    6.75” Speaker Information

    6-¾ or 6.75 inch Speakers fit in most vehicles and are able to enhance the acoustic clarity of your audio system. These deliver high-quality mid and low-range sound and fits in most car types. They offer deeper bass than other small-size speakers – ideal for bass heads.

    Sonic Electronix Learning Center:
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    How to Choose the Speakers Best for You
    Coaxial versus Component Speakers

    6.75" Speakers Frequently Asked Questions (FAQ)
    6.75’‘ speakers, also known as 6-3/4’‘ speakers, are a popular size for car audio upgrades. They are round speakers with a diameter of 6.75 inches and are designed to fit into standard speaker openings in most vehicles. These speakers are a versatile choice, offering a good balance between compact size and improved sound performance. Due to their slightly larger size compared to traditional 6.5’‘ speakers, 6.75’‘ speakers can often handle more power and produce better bass response. Additionally, they provide clear midrange and detailed highs, resulting in an overall enhanced listening experience. If you're looking to upgrade your car's audio system with improved sound quality and increased power handling capabilities, 6.75’‘ speakers are an excellent option.
    In most cases, yes. 6.75’‘ speakers are a standard size that fits into many car models, and they are often used as stock speakers in some vehicles. However, it's essential to check the compatibility of 6.75’‘ speakers with your specific car make and model before making a purchase. Some vehicles may have non-standard speaker sizes or mounting configurations that require additional adapters or modifications for a proper fit. To ensure compatibility, consult with an audio professional or use Sonic Electronix's AmpliFinder tool, which helps you find the right 6.75’‘ speakers that fit seamlessly into your vehicle's audio system.
    The installation of 6.75’‘ speakers can be done as a DIY project, but it does require some technical knowledge and skills. If you have experience with car audio installations and are familiar with basic tools, you may feel comfortable doing it yourself. However, keep in mind that improper installation can lead to subpar sound quality or potential damage to your car's audio system. If you're unsure about the process or lack the necessary expertise, it's best to seek professional help. An experienced audio technician can ensure that the speakers are installed correctly and securely, optimizing their performance and preventing any potential issues. Additionally, professional installation often comes with warranties, giving you peace of mind knowing the job is done right.
    When compared to smaller speaker sizes like 6.5’‘ or 6x8’‘ speakers, 6.75’‘ speakers generally offer slightly improved bass response and power handling capabilities. The larger cone area of 6.75’‘ speakers allows them to move more air, resulting in better low-frequency reproduction and deeper bass tones. However, the difference in sound quality between 6.75’‘ speakers and other sizes might be relatively subtle, and personal preference plays a significant role in choosing the right speaker size. If you're seeking a balanced sound performance with good bass response and clear midrange and highs, 6.75’‘ speakers are an excellent choice.
    To ensure the best audio experience, consider several key features when selecting 6.75’‘ speakers. Look for speakers with a high power handling capability, measured in watts RMS, to ensure they can handle the power output of your car's amplifier without distortion. Additionally, pay attention to the speaker's sensitivity rating, which indicates how efficiently the speaker converts power into sound. Higher sensitivity speakers require less power to produce the same volume, making them a great match for lower-powered head units. Moreover, focus on the speaker's frequency response, which shows the range of frequencies the speaker can reproduce. Speakers with a broad frequency response will offer a more complete and accurate sound representation across all music genres. Finally, choose speakers with high-quality materials for the woofer cone and tweeters, such as polypropylene, silk, or aluminum, for durability and enhanced sound clarity.

    If you're in search of top-quality 6.75-inch speakers to enhance your in-car sound experience, look no further. Our carefully curated collection ensures that you'll find only the best quality 6.75-inch speakers on this page. Don't settle for ordinary sound; explore our range now and elevate your car audio to a whole new level!

    6.75-inch speakers strike the perfect balance between size and performance, making them an excellent choice for audio enthusiasts seeking an immersive listening experience. With their slightly larger diameter compared to traditional 6.5-inch speakers, they offer improved bass response and midrange clarity, resulting in a richer and more dynamic soundstage.

    One of the key advantages of 6.75-inch speakers is their compatibility with a wide range of vehicles. Many car manufacturers utilize this speaker size in their stock audio systems, making them an ideal candidate for aftermarket upgrades. Upgrading to high-quality 6.75-inch speakers allows you to achieve significant audio improvements without extensive modifications to your car's setup.

    At Sonic Electronix, we take pride in offering an extensive selection of top-tier 6.75-inch speakers from reputable brands. Our team of audio experts is dedicated to helping you find the perfect 6.75-inch speakers that align with your preferences and vehicle specifications. Whether you crave powerful bass, crystal-clear vocals, or a balanced audio output, our collection has the ideal options to cater to your unique tastes.

    For personalized assistance, don't hesitate to reach out to our knowledgeable staff at 1-502-200-8010. Our audio specialists are ready to guide you through the selection process, ensuring you make an informed decision that enhances your in-car audio experience.

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

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

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