Audio line: a line used to convey dynamic. It is composed of audio cable and connector. AV line is the most commonly used audio line.

    Audio line: the line specially used for the connection between power amplifier and speaker in audio equipment.

    The audio line directly passes through the power signal. Due to the large passing current, the copper core of the line is usually thicker. In order to ensure high-frequency passing and reduce resistance attenuation, it is mostly silver plated, gold-plated or oxygen free copper wire.

    The audio line passes through the signal of small power and small current, and has high impedance, which is slightly disturbed. Therefore, it is usually a shielded line, and the line is also thinner.

    The audio line usually has a shielding layer, but the audio line usually has no shielding layer. The key is to reduce the resistance. In the audio line, the more expensive is the special line for oxygen free copper speaker. The primary feature is good conductivity and low resistivity.

    Common audio cable standards include: 3.5 to 3.5, double lotus and audio cable. 3.5 to 3.5, the original is our earphone cable. Double lotus, also known as audio 1:2, has a larger application plan. It can be used in mobile phones, computers, DVD players and speakers. It is a widely used audio cable. It is usually divided into 3.5-turn double lotus, four head double lotus and six head double lotus.

    The sound line is usually divided into copper plated sound line and oxygen free copper sound line. The sound lines are divided into ten 0, 200, 300, 500 and 600 sound lines. The original branch is also the core of the sound cable. Usually, the more the number, the better the effect, and the higher the quotation is, of course. However, assuming that it is a family line or a common speaker line, 200 to 300 are enough for the original.

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