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Thursday, May 15, 2025

Difference between Aux and optical input when it comes to sound quality.

If you have an audio system at home, you must have some idea about AUX(AUXiliary) and optical input. Basically, these are two methods of input for transmitting audio signals from any device to your audio system such as speakers or soundbar.

The main difference between them is that AUX is analog while optical is digital input. Therefore, their way of working is different from one another.

In this article and inline with a publication on Electronicshub, we will discuss the difference between Aux and optical input when it comes to sound quality. Keep on reading and explore new knowledge.

AUX Vs Optical, The Sound Quality

The major difference between AUX and optical sound quality is that AUX is analog and optical cable is digital. AUX cable can carry analog signals through the source device. However, analog signals are liable to interference when compared to digital signals. When there is any interference, we can hear popping or hissing noises.

In this regard, we can say that optical cable can provide enhanced sound. Also, AUX cables have copper construction and they can only transmit sound through the analog medium. Even data transmitted is in a continuous waveform.

Optical audio on the other hand uses laser light for digital information transmission. It uses a hollow fiber optic cable and can transmit more information compared to the RCA/AUX cable. The optical cable can send surround digital signal and the AUX connector can carry two-channel analog audio.

Content created and supplied by: Kwajaffa (via Opera
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