GROUND ZERO GZRF SQ coaxial loudspeakers
RADIOACTIVE SERIES
Introduction – GROUND ZERO Loudspeakers
Thank you for choosing a GROUND ZERO product!
This is the owner´s manual providing instructions on the operation and installation of this car audio loudspeaker
system. Please, read it carefully. If you have any further questions, please contact your local car audio dealer or
contact the customer support at:
www.ground-zero-audio.com
or send your questions directly to
The loudspeakers are one of the most important parts of your car audio system. However, it will only be able to
deliver its full performance when each part of the whole system is tuned carefully matching each other.
Therefore, we recommend consulting a car audio specialist to compile the desired sound system, as well as for
installation and tuning. We hope you will enjoy the sound quality when listening to your favorite music with an
enthusiastic development by the Ground Zero engineering team!
Terms of Warranty
The limited warranty for this product is covered by GROUND ZERO´s regional distribution partners and their
terms and conditions. For further information contact your local retailer or distributor
Noise damping – basis for sound quality
Simple or thin surfaces and panels of the car´s body and in the vehicle´s interior tend by stimulation to
vibrations, in particular by vibrations that arise while driving or when playing music with the speaker cones. In
order to reduce the resulting booming, the natural resonance, means the frequency at which these surfaces
resonate particularly strongly, must be reduced. For this purpose, the insulation of aluminum-butyl requires the
largest possible mass. For this purpose, GROUND ZERO offers materials with different properties and basis
weight. In addition, the GROUND ZERO range offers other products, such as self-adhesive aluminum plates or
sound-absorbing foam mats, which improve the result even more. The bonding of these materials drastically
changes the tendency of body parts to oscillate, which significantly reduces the unwanted noise level.
A complete door damping set is available with GZDM DOORKIT PRO.
Correct elimination of products
Waste electrical and electronic equipment (valid for European countries that carry out waste separation) that is
marked with a crossed-out garbage can symbol must not be disposed of with normal household waste. These
electrical and electronic products must be recycled in suitable facilities that are qualified for the proper disposal
of such products. Please contact your local community office to find out where the nearest facility (recycling
center) for recycling or disposal is and how these products can be returned there. The correct recycling and
disposal of waste makes an important contribution to environmental protection and prevents damage to health.
Safety note
Continuous, particularly high listening volumes (sound pressure) and noise can damage your hearing and have
a distracting effect. Therefore, in your own interest, please reduce the volume of the playback to a reasonable
level that does not affect your attention and protect your ears.
