Troubleshooting

If you experience operation or performance problems with this product, compare your installation with the electrical wiring diagram on the previous pages. If problems persist, read the following troubleshooting tips which may help eliminate the problems.

SYMPTOM

 

POSSIBLE REMEDY

 

Amplifier will not

Check to make sure you have a good ground connection.

power up.

Check that the Remote Input (Turn-On) has at least 3VDC.

 

 

Check that there is battery power on the (+) terminal.

 

 

Check that there is at least 12v.

 

 

Check all fuses, replace if necessary.

 

 

Make sure that the Protection LED is not illuminated. If it is lit, shut off

 

 

the amplifier briefly, and then repower it.

 

 

 

Protection LED

Check for short circuits on speaker leads.

comes on when

Turn down the volume control on the head unit to prevent overdriving.

amplifier is

Remove speaker leads, and reset the amplifier. If the Protection LED still

powered up.

comes on, then the amplifier is faulty and needs servicing.

 

 

 

No output.

Check that all fuses are OK.

 

 

Check that amplifier is properly grounded.

 

 

Check that the Remote Input (Turn-On) has at least 3VDC.

 

 

Check that the RCA audio cables are plugged into the proper inputs.

 

 

Check all speaker wiring.

 

 

 

Low output.

Reset the Level Control.

 

 

Check the Crossover Control settings.

 

 

 

Audio present in

Check the RCA interconnect cables.

only one channel.

Check all speaker wiring.

 

 

 

High hiss in the

Disconnect all RCA inputs to the amplifiers. If the hiss disappears, then

speakers.

plug in the component driving the amplifier and unplug its inputs. If the

 

 

hiss disappears at this point, go on until the faulty/noisy component is

 

 

found.

 

 

It is best to set the amplifier's input level control as low as possible. The

 

 

best subjective signal-to-noise ratio is achieved in this manner. Try to set

 

 

the head unit as high as possible (without distortion) and the amp input

 

 

level as low as possible.

 

 

 

Squealing noise

Check for improperly grounded RCA interconnects.

from speakers.

 

 

 

 

 

Distorted sound.

Check that the Input Level Control is set to match the signal level of the

 

 

head unit. Always try to set the Input Level as low as possible.

 

 

Check that all crossover frequencies are properly set.

 

 

Check for short circuits on the speaker leads.

 

 

 

Amplifier gets

Check that the minimum speaker impedance for the amp model is correct.

very hot.

Check that there is good air circulation around the amp. In some

 

 

applications, it may be necessary to add and external cooling fan.

 

 

 

Engine noise

This is usually caused by poor quality RCA cables,which can pick up

(static type)

radiated noise. Use only the best quality cables, and route them away

 

 

from power cables.

 

Engine noise

Check that speaker leads are not shorted to the vehicle chassis.

(alternator

Check that the RCA grounds are not shorted to the vehicle chassis.

whine)

Check that the head unit is properly grounded.

 

 

CX2500D • CX3500D Amplifier User’s Manual - page 10

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Boss Audio Systems CX2500D, CX3500D specifications Troubleshooting, Symptom Possible Remedy
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CX3500D, CX2500D specifications

Boss Audio Systems has established itself as a leader in the realm of car audio, and its CX2500D and CX3500D mono amplifiers are testament to the brand's commitment to delivering powerful, high-quality sound. These amplifiers are designed for audiophiles who seek robust performance and flexibility in their sound systems.

The Boss Audio CX2500D is a compact yet powerful amplifier, delivering up to 2500 watts of peak power. Its RMS rating of 1200 watts at 1 ohm ensures that it can drive most subwoofers efficiently, providing deep bass with minimal distortion. This model features a low-pass filter, allowing users to control the frequency response and tailor the audio output to match their specific subwoofer setup. Additionally, the CX2500D includes an adjustable bass boost, which allows for enhancing the low frequency output to add punch to music genres heavily reliant on bass.

On the other hand, the CX3500D takes performance up a notch with a peak power output of 3500 watts and an RMS power of 1800 watts at 1 ohm. This additional power makes it suitable for larger subwoofer systems or for those who desire even more thump in their audio experience. Both the CX2500D and CX3500D feature a super low-frequency response, ensuring that even the deepest bass notes are reproduced with clarity.

Boss Audio's unique technology also comes into play with their proprietary Mosfet power supply, which enhances efficiency while maintaining high performance. The built-in protection circuitry safeguards the amplifier against issues such as overheating, overload, and short circuits, ensuring long-term reliability while providing peace of mind to users.

Installation has been made easier with the inclusion of a variable input gain control, allowing for seamless integration into existing audio setups. These amplifiers are also designed with a sleek, modern aesthetic, featuring a durable chassis that can withstand the rigors of automotive environments.

Overall, the Boss Audio Systems CX2500D and CX3500D amplifiers are excellent choices for car audio enthusiasts. They not only boast impressive specifications but also incorporate advanced technologies that enhance audio quality and reliability. Whether you are building a new system or upgrading an existing one, these amplifiers provide the power and performance needed to deliver an unmatched listening experience.
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