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Warning 

We build all ARC Audio products to play at high volumes for extended periods of 
time. Your ears however are not designed for high volume listening. This product 
can easily generate volumes that can permanently damage your hearing. We urge 
you to limit your exposure to very high volume sound. 
You may also find your state has laws governing the volume of an audio system in a 
car. Please be aware of all local and state laws in you area.  
A properly tuned and operated audio system will deliver years of enjoyment when 
used properly. 
 

Installation Instructions 

ARC Audio KAR Series Amplifiers are designed for easy installation in your vehicle. To 
ensure proper operation of your new purchase, please follow the suggestions we 
have listed below: 
 

Warning 

Please check the suitability of the installation location before you begin. Do not cut any of 
the car’s structure. Pay close attention to what is behind the panels or carpet. Often the 
manufacture will hide wires, computers or other electronic devices in the exact areas you 
wish to install in. 
 
If you do not have experience with automotive electrical and mechanical systems contact 
a professional installer. Paying a qualified installer is almost always cheaper then paying 
a dealership to repair your car. 

 

Locating the Amplifier 

The amplifiers must be securely mounted to a solid surface. Please select a dry 
location in the trunk or passenger compartment only. Do not mount the amplifier to 
any area that may have excessive vibration (like the subwoofer box). Position the 
amplifier in an area that receives sufficient airflow for proper heat dissipation. 
 

Thank you for purchasing an ARC Audio Hi-Performance Amplifier.

This ARC Audio amplifier uses a Full Range Class H architecture that significantly 
improves efficiently without compromise to the sound quality. Don’t be fooled by the 
small size. Class H amplifiers make more power for there size then traditional designs 
and offer much lower THD and higher Damping factors then Full Range Class D 
designs. 

ARC Audio...

SOLID CONSTRUCTION for SOUND Car Audio Systems. 

Setting the Gains 

So you're worried that your 8 Volt output head unit will be too much for the 
ARC Audio's 4 Volt input stage. 
 
Don't Be 
 
ARC Audio Amplifiers input stage is rated to 4 volts RMS @ 1KHz without 
clipping. 
 
Music is very dynamic. Nothing like a 1KHz test tone. It would be rare to see a 
peak as high as a test tone. Furthermore, your head unit produces its output at 
full volume but when you tune your system you always set the head unit to 
70% of maximum volume. 
 

Supplying Enough Power 
 
The Laws of Nature 

Your amplifier Does NOT make power. It converts power, or current, from your 
cars electrical system and turns it into a high power musical energy.  If the amp 
can't get all the power it needs it will not produce its full output. Your ARC 
Audio amplifier will produce Full output for longer then other amps on the 
market today. If the Voltage or Current drops too low even our amplifiers will 
drop below  their rated output. Make sure your vehicle charging system is in 
good working order. Any Hi-Performance audio amplifier will increase the 
demand on your alternator and battery. If you are unsure have your charging 
system tested by a professional technician. 
 

The Ground!!! 

Warning: Read this Carefully 
The ground wire should be connected directly to the chassis of your vehicle. 
Find a clear location close to the amplifier and remove all the paint and sound 
deadener. Use a #10 or larger screw to secure it. Never use seatbelt bolts for 
grounding. 
Remember, the ground must carry the same high current as the positive power 
wire. 
 
To reduce the risk of noise, run all signal cables away from any vehicle or power 
supply wiring. 

Running the Cables 

Carefully run the power and signal cables through the passenger compartment 
of the vehicle. Always use a rubber grommet to prevent the power wire from 
shorting and to reduce the risk of fire. A 4 gauge or larger wire should be used 
for power and ground connections. We recommend a fuse be installed on the 
power wire within 18 inches of the battery for safety. 
 

 

Содержание KS 300.2

Страница 1: ...D WITH OR MODIFIED OR IF ANY SERIAL NUMBERS HAVE BEEN REMOVED WILL NOT BE COVERED BY ANY PART OF THE MANUFACTURES WARRANTY All warranty returns should be sent to ARC AUDIO freight prepaid and must be accompanied by proof of purchase a copy of the original sales receipt Direct returns from consumers or non authorized retailers will be refused unless specifically authorized by ARC AUDIO with a valid...

Страница 2: ...fer much lower THD and higher Damping factors then Full Range Class D designs ARC Audio SOLID CONSTRUCTION for SOUND Car Audio Systems Setting the Gains So you re worried that your 8 Volt output head unit will be too much for the ARC Audio s 4 Volt input stage Don t Be ARC Audio Amplifiers input stage is rated to 4 volts RMS 1KHz without clipping Music is very dynamic Nothing like a 1KHz test tone...

Страница 3: ...ofer position or the enclosure size Input Mode Switch All ARC Audio amplifiers include an input mode switch This switch controls the signal being sent to the amplifier sections Most 2 channel amplifiers can be bridged into a single channel however if the signal to the channels is not exactly the same the distortion will increase significantly The mode switch solves this problem by offering 3 modes...

Страница 4: ...to the amplifier Now is a good time to turn on the amp for the first time Make sure it turns on properly and does not go into protection 9 Connect the speaker wires to the amp and speakers make sure the amp is off first Make sure the polarity and is correct 10 Connect the RCA s to the amp 11 Double check the amplifier controls at this time Make sure everything is set correctly for your system 12 N...

Страница 5: ...EO BRIDGED R IN L R MONO HIGH LOW FULL FREG RANGE X 1 X 10 FREQ Hz 55 110 240 330 550 BASS BOOST 0 15 dB GAIN MIN MAX INPUT L R BRIDGED 4 W MIN L 2W R 2W MIN MIN 3 X 25 AMP MAX ARC AUDIO INC USA GND TURN ON 12V 4 0HMS MIN 8 9 OPTIONAL SECOND SET 2 OHM STEREO Set to LOW Set to L R SUM Set to HIGH or FULL Set to STEREO KS 300 2 KS 600 4 STEREO FULLRANGE OR HIGH PASS 2 OR 4 OHMS KS 300 2 KS 600 2 BRI...

Страница 6: ... 1 X 10 FREQ Hz 55 110 240 330 550 FRONT HIGH LOW FULL POWER STEREO BRIDGED F L IN L R MONO FREG RANGE X 1 X 10 FREQ Hz 55 110 240 330 550 BASS BOOST 0 15 dB GAIN MIN MAX INPUT L R STEREO BRIDGED F R IN L R MONO GAIN MIN MAX REAR FRONT 2 CH IN REAR HIGH LOW FULL SOURCE SELECT 4 CH 2 CH 2 CH BB FRONT REAR FRONT REAR FREG RANGE X 1 X 10 FREQ Hz 55 110 240 330 550 FRONT HIGH LOW FULL LOW 2 CH or 4 CH...

Страница 7: ...RONT HIGH LOW FULL POWER STEREO BRIDGED F L IN L R MONO FREG RANGE X 1 X 10 FREQ Hz 55 110 240 330 550 BASS BOOST 0 15 dB GAIN MIN MAX INPUT L R STEREO BRIDGED F R IN L R MONO GAIN MIN MAX REAR FRONT 2 CH IN REAR HIGH LOW FULL SOURCE SELECT 4 CH 2 CH 2 CH BB FRONT REAR FRONT REAR FREG RANGE X 1 X 10 FREQ Hz 55 110 240 330 550 FRONT HIGH LOW FULL HIGH NOT USED BRIDGED BRIDGED X1 NOT USED NOT USED L...

Страница 8: ...attery between the battery and the body It should be Upgraded to 4 AWG from the factory 8 or 10 AWG RCA CABLE RCA CABLE 4 AWG 4 AWG 8 205 mm 2 3 8 60 mm C D V 4 4 1 Z H 0 0 1 D H T 1 S M R R E W O P T U P T U O 2 0 0 3 S K 4 T U P T U O R E W O P S T T A W 2 X 0 8 1 2 T U P T U O R E W O P S T T A W 0 X 2 5 3 1 T U P T U O R E W O P D E D N E M M N O C E R T O N 4 T U P T U O R E W O P D E G D I R...

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