TroubleShooting

SYMPTOM

CHECK

REMEDY

NO SOUND

Is the Status LED illumi-

Check all fuses to the amplifier

 

nated GREEN? NO?

 

 

Confirm remote turn-on lead is connected

 

 

 

 

at the amp and at

 

 

the radio/switched +12Volts

 

 

Clean contacts on fuse holder

 

 

Verify ground is secure

 

Is the Status LED illumi-

Check gain on amp

 

nated GREEN? Yes?

 

 

Check source level volume

 

 

 

 

Check for Speaker or wire short

AMP NOT SWITCH-

No power to power wire

Re-secure power cable

ING ON

 

 

Poor Ground

Must have bare metal ground

 

 

Does remote wire have

Check at source and amp

 

+12V

 

 

Check fuses

Burnt, broken, detached?

NO SOUND ON

Check speaker wire

Look for shorts, pinches or disconnected

ONE CHANNEL

 

terminal

 

Check RCAs

Swap left with right. If the bad side began

 

 

working, the problem

 

 

is before the amplifier

AMP SHUTS DOWN

Check speaker load

Verify that the load does not drop below the

 

 

specified ohm

 

 

level

STATUS LED IS ON

Check temperature

Wait for amp to cool down

- RED

 

 

Speakers shorted

Check to see if it is the wire or the speak-

 

 

 

ers themselves

SMOKE CAME OUT

Either you spilled your beer

Put smoke back inside

 

on it or did not read

 

 

this manual and follow the

 

 

directions

 

CAN’T KEEP THE

Is volume loud enough for

To avoid the opposite sex, buy a different

OPPOSITE

others to hear?

brand of amplifier

SEX OFF ME

 

 

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Precision Power PC400.4, PC740.5, PC650.2, PC640.4, PC360.2, PC1000.1 owner manual TroubleShooting

PC650.2, PC640.4, PC360.2, PC740.5, PC1000.1 specifications

Precision Power is renowned for its high-quality audio amplification products, and their lineup features various models like the PC400.4, PC1000.1, PC740.5, PC360.2, and PC640.4. Each model is tailored to meet the diverse needs of car audio enthusiasts, offering powerful performance, innovative technologies, and solid construction.

The PC400.4 is a versatile four-channel amplifier that excels in delivering crisp and clear sound. It features a durable aluminum chassis, ensuring efficient heat dissipation and longevity. With an impressive output of 100 watts per channel at 4 ohms, this amplifier ensures your speakers receive ample power for an enhanced audio experience. Its built-in crossover network allows for seamless integration with subwoofers or additional speakers, making it an ideal choice for anyone looking to build a high-quality audio system.

For those seeking serious power, the PC1000.1 is a monoblock amplifier capable of delivering a staggering 1000 watts at 1 ohm. This model includes advanced technologies such as a variable low-pass filter and bass boost, allowing users to customize their sound according to their preferences. The Class D design of the PC1000.1 ensures high efficiency, which translates into less heat generation and more power handling. This model is perfect for driving subwoofers and will truly elevate your audio experience.

The PC740.5 is a five-channel amplifier designed for users who want to power an entire system with one unit. With 75 watts per channel for four channels and a robust 300 watts for the subwoofer channel, the PC740.5 packs a punch. Its integrated electronic crossovers allow for precision tuning, ensuring that each component in your system works harmoniously together. This amplifier is ideal for those looking for a compact solution that doesn’t compromise on power.

Next in line, the PC360.2 model offers a two-channel configuration suited for those who want to power stereo speakers or use it in a bridged mode for subwoofers. It provides 90 watts per channel at 4 ohms, delivering dynamic sound and impressive clarity. The robust construction and reliable performance of the PC360.2 make it a solid choice for any audio setup.

Lastly, the PC640.4 is another four-channel option that combines flexibility and power. With 100 watts per channel at 4 ohms, it is perfect for powering multiple speakers without sacrificing quality. It features adjustable crossovers and EQ controls, allowing users to fine-tune their audio experience.

In summary, the Precision Power amplifiers PC400.4, PC1000.1, PC740.5, PC360.2, and PC640.4 exemplify high performance, versatility, and user-friendly features, making them excellent choices for anyone passionate about sound quality in their vehicle.