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Ultimate

®

 Sound 

2

 
I.  Introduction 

You have purchased a very sophisticated subwoofer manufactured by 

Ultimate

®

 Sound

.  Founded in 1975, 

Ultimate

®

 Sound

 makes speakers 

for every car audio application, speakers for marine environments, 
enclosed speaker systems, amplifiers, accessories and other products. Our 
tradition of leadership and innovation in the audio industry continues with 
innovative products like 

U

X

 Subwoofers

.  

 
We recommend you have your new 

U

Subwoofers

  installed by a 

professional.  Professional installation shops have the equipment to do the 
job correctly, and the experience to recommend the best mounting 
locations in your vehicle.  
 
Please use your new 

U

X

 Subwoofers 

 responsibly.  Very loud music can 

cause permanent hearing loss.  
 

U

X

 SUBWOOFER FEATURES: 

 

 

Graphite Injected Cone- 

for stiffness, strength, durability and 

stability during high power operation at extreme temperatures. 

 

The

 

Butyl Rubber Surround

 has superior damping characteristics 

and will last longer than foam surrounds 

 

Kapton

®

 Voice Coil Former-

  Higher power handling than 

aluminum voice coil formers. 

 

4 Layer voice coil windings

 keep more wire in the magnetic gap for 

more output.. 

 

Vented, extended pole piece- 

keeps the voice coil cool during long 

excursions at high power. 

 

Bumped back plate- 

makes sure the voice coil never bottoms out. 

 
II.  Package Contents 

 

1   

U

X

 Subwoofer

 

 

Instruction manual and warranty card. 

 
 
 
 
 
 
 
 
 
 

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