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Key Specs
RMS Power: 30 watts (The maximum amount of continuous power the device is able to handle.)
Peak Power Handling: 60 watts (The maximum amount of power an electronic device, like a speaker, can handle without damage. This refers to short bursts of power, while root mean square (RMS) power handling indicates the amount of continuous power a device can sustain. Higher levels of distortion can also occur at peak power levels when the device is powered beyond its recommended usage.)
Minimum Frequency Response: 80 hertz (Describes the maximum range of frequencies or musical tones a product can reproduce, from very low tones to very high treble tones. The minimum frequency or musical tone the speaker can reproduce. High treble tones have higher frequencies while low tones and deep bass have lower frequencies.)
Maximum Frequency Response: 20 kilohertz (Describes the maximum range of frequencies or musical tones a product can reproduce, from very low tones to very high treble tones. The maximum frequency or musical tone the speaker can reproduce. High treble tones have higher frequencies while low tones and deep bass have lower frequencies.)
Sensitivity: 88 decibels
Speaker Size: 4"
Speaker Type: Coaxial
Tweeter Composition: Polyethylene naphthalate
Woofer Composition: Polypropylene
Woofer Surround Material: Santoprene
General
Brand: KICKER
Model Number: KS40
Product Name: 4" Coaxial Speakers with Polypropylene Cones (Pair)
Color: Graphite
Number Of Speakers: 2
Audio
RMS Power: 30 watts (The maximum amount of continuous power the device is able to handle.)
Peak Power Handling: 60 watts (The maximum amount of power an electronic device, like a speaker, can handle without damage. This refers to short bursts of power, while root mean square (RMS) power handling indicates the amount of continuous power a device can sustain. Higher levels of distortion can also occur at peak power levels when the device is powered beyond its recommended usage.)
Minimum Frequency Response: 80 hertz (Describes the maximum range of frequencies or musical tones a product can reproduce, from very low tones to very high treble tones. The minimum frequency or musical tone the speaker can reproduce. High treble tones have higher frequencies while low tones and deep bass have lower frequencies.)
Maximum Frequency Response: 20 kilohertz (Describes the maximum range of frequencies or musical tones a product can reproduce, from very low tones to very high treble tones. The maximum frequency or musical tone the speaker can reproduce. High treble tones have higher frequencies while low tones and deep bass have lower frequencies.)
Impedance: 3 ohms (Describes the resistance of an electric signal throughout the system. Devices with low impedance require less power to deliver optimal signals but are more at risk for damage from overloading. Higher impedance requires more power but is more protected from overload damage.)
Sensitivity: 88 decibels
Features
Integrated Crossover: true
Design
Speaker Size: 4"
Speaker Type: Coaxial
Tweeter Composition: Polyethylene naphthalate
Woofer Composition: Polypropylene
Woofer Surround Material: Santoprene
Dimensions
Product Height: 4 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
Product Width: 4 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
Product Depth: 1.81 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
Product Weight: 3 pounds (The out of box weight of the item.)
Warranty
Warranty - Parts: 1 year
Warranty - Labor: 1 year
Other
UPC: 713034055136
Enjoy listening to your favorite songs with these coaxial speakers that feature 4" polypropylene cones and 1/2" polyethylene naphthalate tweeters for clear, crisp audio with deep bass response.
Geek Squad® installation: is strongly recommended for this product. Please visit your local Best Buy store for details.
Handles up to 60W peak power (30W RMS): To put sonic power behind your favorite music.
60Hz - 20kHz frequency response: For a wide range of accurate sound production.
Kicker 4" Coaxial Speakers with Polypropylene Cones (Pair)
Customers are saying
Customers express satisfaction with the sound quality of the 4" Coaxial Speakers with Polypropylene Cones (Pair). They describe the speakers as having "great sound" and being "a great speaker set."
This summary was generated by AI based on customer reviews.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Rated 5 out of 5 stars
great sound in the car.
The speakers were real easy to install. I installed them myself. And all aound great speaker set. Looking forward to get 2 more for the back (:
Posted by stephsteph9168
Rated 5 out of 5 stars
Excellent speakers
The speakers are a great match to the new radio and provide the right sound needed in the car.
Posted by PatH
Rated 5 out of 5 stars
GOOD
first pair of speakers sound good for size easy to install in my daewoo lanos