1.One truth about working with audio, you always need the cable or adapter when you don't have in your toolbox. That's why we choose these terminal-block audio connectors . No soldering required! Use stranded or solid core wire and a small screw driver to create custom wiring jigs.

2.These 2.5mm Stereo Female Jack to AV 4-Screw Terminal Block Balun Connectors feature a 2.5mm Stereo TRS Jack on one end and 4-Screw terminal block on the other end,connecting open wires to a 2.5mm stereo TRS plug.

3.Screw/solderless type.Use for microphone, earphone, audio video AV PC.

4.Product Function: The audio signal output from the audio source device can be extended through the external audio cable.

5.It is more convenient to use more quickly without welding.