Philmore 3.5mm Stereo Female to Female In-Line Metal Coupler
The Philmore 3.5mm Stereo Female to Female In-Line Metal Coupler provides a simple and reliable way to extend or join two 3.5mm stereo audio cables. Featuring dual 3.5mm (1/8″) stereo female connectors, this inline coupler allows users to connect two AUX cables together to create a longer audio connection for headphones, speakers, or multimedia devices.
Designed for TRS stereo audio transmission, the coupler supports both left and right audio channels, ensuring clear and balanced sound when extending existing audio cables. This type of adapter is commonly used with smartphones, tablets, laptops, car stereos, MP3 players, headphones, and portable speakers that use the standard 3.5mm audio interface.
The durable metal housing provides improved shielding and durability compared to plastic couplers, helping reduce interference and extend the lifespan of the connector. Its compact inline design makes it easy to install between two cables without adding significant bulk to the connection.
3.5mm female-to-female couplers are commonly used to extend AUX cables, link headphone cables, or create custom audio runs in home audio systems, vehicles, and portable listening setups.
Key Features
- 3.5mm (1/8″) stereo female to female coupler
- Connects two 3.5mm male audio cables together
- Supports TRS stereo audio (left and right channels)
- Metal housing for durability and signal shielding
- Compact in-line design for cable extension
- Compatible with smartphones, laptops, headphones, speakers, and car audio systems
The Philmore 3.5mm Stereo Female to Female In-Line Metal Coupler provides a durable and dependable solution for extending AUX and headphone cables while maintaining clean stereo audio performance.






