【3.5mm to 3.5mm】TRS 3.5mm jack to jack Threaded fixing Round connector. Easy input/output configuration for 3.5mm audio systems, providing a stable audio signal transmission environment. 【Nut Fixing】TRS 1/8 short wire type Panel Mount stereo socket. Comes with M22*1 nut, just open a φ22.5mm hole on the board surface and fix it by nut to achieve 3.5mm audio port extension. Note:Mounting plate thickness ≤8mm. 【Short Wire Type Connector】TRS 3.5mm Female to Female Threaded fixing Mounting socket. Facilitates orderly wiring and organizes cluttered cables. Avoid tangled wires to ruin your home theater experience. 【Extended 3.5mm Port】3.5mm Short wire type Threaded Fixed coupler. Provides easy access to the TRS 3.5mm audio port, extending it to where you want it. For connecting headphones, audio devices. 【Application】3.5mm jack Threaded fixing Mount Short Cable socket. Used for car stereo, home stereo, stereo equipment such as stereo 3.5mm audio port extension. Connect smartphone, laptop, tablet, PC, CD, MP3, MP4, headphone. 1/8 stereo jack to jack Threaded fixing round connector. Easy input/output configuration for 3.5mm audio system. Comes with M22*1 nut, just make a φ22.5mm hole on the board surface and fix it by the nut to realize 3.5mm audio port expansion. 3.5mm female to female Short wire type mounting socket. Facilitates orderly wiring and organizing cluttered cables. Avoid tangled wires that can ruin your home theater experience. Provides easy access to the TRS 3.5mm audio port, extending it to where you want it. For connecting headphones, audio devices. Port Type: TRS 3.5mm (1/8') Female Design: Short wire type Features: Threaded fixed installation Thread specification: M22*1 Mounting plate thickness: ≤8mm (0.3in) Mounting hole diameter: φ22.5mm (φ0.88in) Housing: Zinc alloy Cable length: 22cm/8.7in Package:1*TRS 3.5mm thread fixing Panel mount Short cable adapter, 1*O-seal, 1*hexagonal nut