The 4 pole 3.5mm audio jack is a popular audio jack used in various audio devices. It is commonly used in smartphones, laptops, audio players, and headphones. It is also known as a TRRS plug, which stands for Tip-Ring-Ring-Sleeve. This audio jack has four poles or connectors instead of the typical three poles found in conventional audio jacks. Its four poles provide audio output and input, as well as microphone input and ground.
What is a 4 Pole 3.5mm Audio Jack?
A 4 pole 3.5mm audio jack has four metal connectors on its tip. These connectors are responsible for carrying audio signals as well as microphone signals. The four poles are arranged as follows:
| Pole Number | Description |
|---|---|
| 1 | TIP (Left Audio) |
| 2 | RING1 (Right Audio) |
| 3 | RING2 (Microphone) |
| 4 | SLEEVE (Ground) |
The TIP connector is responsible for carrying the left audio channel, while the RING1 connector carries the right audio channel. The RING2 connector is used for the microphone input, and the SLEEVE connector is the ground or common connector.
Wiring Diagram for a 4 Pole 3.5mm Audio Jack
The wiring diagram for a 4 pole 3.5mm audio jack is straightforward. The four poles are wired as follows:
| Pole Number | Description | Wiring Color |
|---|---|---|
| 1 | TIP (Left Audio) | Green |
| 2 | RING1 (Right Audio) | Red |
| 3 | RING2 (Microphone) | White |
| 4 | SLEEVE (Ground) | Black |
The wiring color for each pole is not consistent across different manufacturers, so it is essential to check the wiring diagram of the device or product you are working on.
FAQs About 4 Pole 3.5mm Wiring Diagram
1. What is the purpose of the fourth pole in a 4 pole 3.5mm audio jack?
The fourth pole in a 4 pole 3.5mm audio jack is used for microphone input. The microphone input is essential for devices that have a built-in microphone or for external microphones to provide high-quality sound recordings.
2. What is the difference between a 3 pole and a 4 pole 3.5mm audio jack?
The primary difference between a 3 pole and a 4 pole 3.5mm audio jack is the presence of a fourth pole in the latter. The fourth pole provides microphone input in addition to the left and right audio channels and ground output.
3. Can a 4 pole 3.5mm audio jack be used in a device that needs a 3 pole jack?
Yes, a 4 pole 3.5mm audio jack can be used in a device that needs a 3 pole jack. The left and right audio channels of the 4 pole jack can simply be connected to the left and right audio channels of the 3 pole jack, and the ground output can be connected to the ground connector of the 3 pole jack.
4. What is the impact of incorrect wiring on a 4 pole 3.5mm audio jack?
Incorrect wiring of a 4 pole 3.5mm audio jack can lead to a loss of sound quality or complete loss of sound. It can also damage the device or product in which the jack is connected.
5. Can a 4 pole 3.5mm audio jack be used for stereo sound output?
Yes, a 4 pole 3.5mm audio jack can be used for stereo sound output. The left and right audio channels of the jack can be connected to two different speakers or earphones to provide stereo sound output.
In conclusion, understanding the wiring diagram of a 4 pole 3.5mm audio jack is essential for proper connection and usage. It is essential to consult the wiring diagram of the device or product you are working on as the wiring color for each pole may vary across different manufacturers.
