INTRODUCTION
2
2
Thank you for purchasing this Cadence QRS Series amplifier. Over the years, the technology used to create audio
amplifiers has grown by leaps and bounds. We have tens of thousands of satisfied customers still using our first
generation Ultra Drive amplifiers which are more than 19 years old. Our competition is satisfied with just continuing
to build the same units year after year without thought for improvement, but not Cadence. We consider it our
mission to use our expertise in developing the latest technologies and to bring you the absolute best sounding,
most powerful amplifiers on the market and of course at a reasonable price. We are very proud to introduce this
second generation of QRS Series amplifiers. You will be amazed at the quality and power that these new amps offer.
You will “Boom-Harder!” with QRS Series amplifiers.
We have spared no expense in designing these amplifiers, creating the most rugged, reliable, powerful and best
performing amplifiers. In fact we are so sure of the quality we backup every QRS Series amplifier with our exclusive
two-year warranty which exemplifies our commitment to excellence in car audio musical reproduction. (See enclosed
warranty card for details.)
Please read this installation guide carefully for proper use of your Cadence power amplifier. Should you need technical
assistance during or after your installation please call our technical-line between 9:30 am and 5:00 PM EST (M - Th) at
(732) 370-5400. Read this entire guide fully before attempting your installation.
WARNING:
BE AWARE! Use of this amplifier at extreme high volumes for extended periods of time may cause
hearing loss and or hearing damage. During periods of prolonged high volume levels it is recommended that you
use ear safety devices. Playing Cadence amplifiers at high volume levels while driving will impair your ability to hear
necessary traffic sounds. While driving always keep your sound volume at reasonable levels. We at Cadence want
you listening for many years to come.
When installing the amplifier, secure it tightly. An unmounted amplifier in your car can cause serious injury to passengers
and damage to your vehicle if it is set in motion by an abrupt driving maneuver or short stop.
Introduction