3 Pcs 3.5mm Three Core Stereo Two-Channel Plug TRS Connector Adapter

3.5mm Three-Core Stereo Two-Channel Plug (TRS)

"TRS" stands for:

Tip – Left audio channel

Ring – Right audio channel

Sleeve – Ground (shared return path for both channels)

Typical Uses:

Connecting stereo headphones to a computer or phone

Plugging into audio input/output jacks on PCs, laptops, or audio interfaces

Linking auxiliary audio devices (e.g., car stereos, speakers)

Connector Details:

Size: 3.5mm (1/8 inch), also known as a mini 3.5mm

Poles: 3 (Tip-Ring-Sleeve, or TRS)

Signal Support: Stereo (Left + Right channels)

Not for microphones unless it's a TRRS plug (Tip-Ring-Ring-Sleeve)

Adapter Use:

You might see these plugs in adapter form:

3.5mm male TRS to dual RCA for stereo systems

3.5mm male to 1/4" TRS for studio equipment

TRS to TRRS adapters to use stereo headphones with microphone input