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Car Electronics Resource Center
Page 2
Speaker Installation Guide
Coaxial or Component Speakers
Coaxial speakers combine a cone speaker for
midrange frequencies with a tweeter for high fre-
quencies in a single speaker chassis. Many coaxial
speakers use high quality materials and fit directly
into factory locations, simplifying installation and
delivering upgraded sound quality.
Component speakers have separate midrange and
tweeter drivers providing the flexibility to mount
tweeters at the listener’s ear level. Components
also have a passive crossover network that routes
appropriate frequencies to the midrange and
tweeter respectively, which improves power han-
dling of the speakers and optimizes sound produc-
tion. Consider component speakers when you are
in pursuit of the highest caliber music experience.
Match RMS Power Ratings
RMS power ratings represent a realistic expectation
of a product’s performance. To ensure quality sound
production, match the amplifier’s RMS power output
with the speaker’s RMS power handling. Overpower-
ing speakers can overheat the speaker’s voice coils
causing premature failure. Under powering speakers
may cause sound distortion. As an example, if the
speakers are rated at 50 watts RMS, choose an am-
plifier that provides between 40 to 60 watts RMS to
each speaker. A little more power (up to +25%) over
the speaker’s RMS power handling is okay, as it adds
‘headroom,’ or reserve power, to the audio system
when the music gets complex and/or loud.
Sound Deadening Treatment
Consider installing sound damping and vibration
control materials in the doors, trunk, rear shelf and
floor of the car. These adhesive sheet materials
install easily on metal and plastic to reduce the road
noise and vibration from interior panels to create a
quieter, more enjoyable listening environment. By
adding mass (weight) to the panel, any vibrations
are suppressed, transferring energy from the speak-
ers into great sound rather than annoying buzzing,
vibrating and rattling of interior panels.
Upgrading Speakers
Sound Deadening Reduces Vibrations and Rattles
from Sheet Metal and Plastic Panels
Component Speakers in a Kick Panel Location
Closely match CEA-2031 Speaker Power Handling
Wattage with CEA-2006 Amplier Output Power Wattage.
If CEA ratings are not available, always look for the ‘RMS’
ratings to guide product matching.
Amplifier
RMS
Power
Output
Speaker
RMS
Power
Handling
Close
Match
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