Automotive Audio Isolator with Ground Interferrence Supression Filter

Product Description

This product is an audio common ground isolator, which effectively suppresses the noise caused by the common ground for the sound source and the receiving device.

So what is the common ground?

Simply put, the ground point of the two electrical appliances is not at the same point. Due to the difference in grounding resistance, noise is transmitted into the electrical equipment through the ground wire inside, it creates interference. Because the grounding points of the two devices are different, it is possible to generate common ground noise. The noise is mainly reflected in the car audio. There is an audio interference, like a mouthpiece. The whistle is almost the same, the frequency of this noise. It will change as the engine speed changes.

Therefore, this product can only eliminate the noise and current sound of the common electricity products, and can not eliminate other causes.

How to determine if noise is caused by common ground:

1. Use headphones to connect with car MP3, car navigation AUX (3.5mm interface), if at this time from the headset

If there is no noise in the sound heard, it can be confirmed that the noise of the vehicle equipment is caused by the common ground.

2. Use the audio cable to the battery-powered mobile phone, or MP3 (note the phone, MP3 does not have any electricity with the car.

the source is connected, such as a telephone), connected to the AUX of the car's center console, and plays the music of the phone, so there is no noise, it can be confirmed that the past noise is caused by the common ground.

3. Computer, amplifier, stereo, CD: use a passive headset to plug in the computer to hear if there is no noise, use the phone to insert.

In the power amplifier, audio audition, if there is no noise in the separate audition, the basic judgment is caused by the common ground.

4. After starting the car, the installed amplifier has a current sound. In some models, the throttle is larger, and the current is louder.

In large cases, this product can solve this problem.

5. there is a current sound between the amplifier and the speaker or the sound, you can install this product between the amplifier and the speaker

6. When the laptop is connected to the projector and the amplifier is connected, the noise is generated. You can connect the adapter through the notebook.

Power or battery, when the amplifier is removed, or the projector is removed, the noise disappears.

Note: A common isolator can be added between the computer's headphone jack and the amplifier to eliminate noise.

Don't delay, buy today.

Add to cart now!