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ARC Audio XDi 450.4, Owner'S Manual, Page: 8 / 11

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ARC Audio XDi 450.4 Owner'S Manual Download Page 8

Use

BASS BOOST

With Care

4 

Ω

-

STEREO HIGH PASS

With MONO SUBWOOFER

XDi 450.4

INPUT

2CH 

4CH 

ON

OFF

AUTO SENSE

BASS

BOOST

0

9

dB

FREQ Hz

50

3K

GAIN

MIN

MAX

GAIN

MIN

MAX

HP FREQ Hz

10

1K

FULL

HIGH

LOW/BP

HP

FULL 

LP FREQ Hz

50

3K

Set to

LOW

Use this 

Crossover

for LOW

Set to

HIGH

Use this 

Crossover

for HIGH

Use this 

Crossover

for SUB SONIC

OPTIONAL

SECOND SET

FINAL LOAD WILL BE

2 OHM STEREO

+

From Head Unit Rear or Sub RCAs        Use for 2CH INPUT

From Head Unit Front RCAs

7

Top

Summary of Contents for XDi 450.4

Page 1: ... 1 Running the Cables 2 Class D amplifiers 2 Diagnostic Fault Codes 2 Controls and Features Inputs 3 Gains 3 Crossovers 3 Bass Boost 4 Ohm Loads 4 Speaker Outputs 4 Installation Instructions 5 System Diagrams 4 Channel Stereo 6 Stereo with Bridged Subwoofer 7 2 Channel Bandpass 8 Auto Detect 9 Speaker Level Input 9 Specifications 10 Warranty 10 ...

Page 2: ...low for proper heat dissipation 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 ...

Page 3: ...een or tarnished look you would expect with copper Aluminum also has a greater rate of expansion do to heat and care must be taken to insure that the connection is not over tightened This can result in the failure of the power or ground connector and possibly the circuit board Recommendations for all Class D amplifiers Class D amplifiers by the nature of there design emit a certain amount of RF Ra...

Page 4: ...volume setting on the deck At higher gain settings the amp also becomes more sensitive to noise from the car s electrical system Try to run the gain at the lowest setting possible for you system There is no correct gain setting Because speakers require different power demands to reach the same output the gains most often need to be used to compensate for these differences If you tried to set all t...

Page 5: ... running any mix or combination of Ohm load on the front and rear channels They do not have to be the same Any speaker or combination of speakers with a total combine Ohm load between 2 and 4 Ohms can be used on any single channel Bridged loads must not drop below 4 ohms but my exceed 8 Ohms if needed This will not damage the amplifier however power output will decrease at higher load WARNING This...

Page 6: ...bolt and lock washer is advisable here It is advisable to test the ground with an Ohm meter between the ground cable and the negative battery cable to insure a good low resistance connection Some alloys used in modern cars do not offer the best ground If you believe this is the case consult with the vehicle s manufacturer Run the speaker wire to the speakers It is advised that you leave some extra...

Page 7: ...REQ Hz 50 3K OPTIONAL SECOND SET FINAL LOAD WILL BE 2 OHM STEREO OPTIONAL SECOND SET FINAL LOAD WILL BE 2 OHM STEREO From Head Unit Front RCAs Use for 2CH INPUT From Head Unit Rear RCAs STEREO 4 CHANNEL HIGH PASS XDi 450 4 Recommended BASS BOOST to 0dB Set to HIGH Use this Crossover for HIGH Set to HIGH Use this Crossover for HIGH 6 Top ...

Page 8: ...50 3K GAIN MIN MAX GAIN MIN MAX HP FREQ Hz 10 1K FULL HIGH LOW BP HP FULL LP FREQ Hz 50 3K Set to LOW Use this Crossover for LOW Set to HIGH Use this Crossover for HIGH Use this Crossover for SUB SONIC OPTIONAL SECOND SET FINAL LOAD WILL BE 2 OHM STEREO From Head Unit Rear or Sub RCAs Use for 2CH INPUT From Head Unit Front RCAs 7 Top ...

Page 9: ... BP HP FULL LP FREQ Hz 50 3K Set to LOW BP Use this Crossover for LOWPASS Set to HIGH Use this Crossover for HIGH Use this Crossover for HIGHPASS Tweeters Mid Woofers From Head Unit Rear or Sub RCAs Use for 2CH INPUT From Head Unit Front RCAs 4 CHANNEL HIGHPASS With BANDPASS XDi 450 4 Recommended BASS BOOST to 0dB 8 Top ...

Page 10: ...rcuit that offers a significant improvement in reliability over previous designs Instead of relaying on the music to supply enough signal to turn the amplifier on Robert Zeff s design detects the IC chip used in the vast majority of stock head units and amplifiers It is important to note the Auto Sense will not always work Do to the hundreds or thousands of different OEM system configurations no s...

Page 11: ...ges for personal injury This warranty gives you specific legal rights and you may have other rights which vary from state to state This warranty applies to products sold and used in the United States of America In all other countries please contact your distributor SPECIFICATIONS Total Harmonic Distortion 02 THD 08 THD Total Harmonic Distortion 02 THD 08 THD Total Harmonic Distortion 06 THD 05 THD...

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