3. 2pin Screw terminal Jack audio connectors Cable is solderless! Only use the stranded Left wire and a small screw driver to create custom wiring connection. Wiring diagram: PIN 1 – red wire is mono audio; PIN 2 – black wire is ground.
4. Connecting single wires with open cable heads to your 3.5mm mono jack. Reliable connect, good performance with plastic construction and strain relief.
5. Used for CCTV camera applications.And great product for terminating a Short Wave antenna. One terminal for the antenna, the other for ground.

3.5mm Screw Terminal Block Cable
3.5mm (1/8″) Mono Male to 2 Pin Screw Terminal Cable
Connectors 1: 3.5mm Mono Male jack ,
Connectors 2: 2Pin Screw Terminal jack
Gold plated for maximum signal transfer & durability.
Length: 30cm/12inch
Material: Plastic & Metal
3.5mm (1/8inch) Mono Male to 2Pin Screw Terminal Headphone Balum Converter Adapter Cable

Comaptible:
Great for connecting single wires with open cable heads to your 3.5mm mono jack.

3.5mm Mono Male jack cable
Wire range: AWG28～16, Pin: 2way/pin, Compact design and reliable connection for the male 3.5mm Mono Male Jack to Screw Terminal adapter cable
Solderless required, easy to use, Requires only a screwdriver and a wire stripper to terminate 3.5mm (1/8 Inch)Stereo Mono Audio cables, Saves time and hassle for installers.