Audio Extension Cable DeLOCK 66074 3.5 mm 4 pin male to female Ultra Slim 0.5 m black

This stereo jack extension cable from Delock extends a 3.5 mm 4‑pin CTIA connection and is compatible with smartphones, tablets and other devices that use the CTIA jack interface. The cable supports headset functions including the microphone and is designed as an ultra‑slim 0.5 m extension for convenient use on the go.

Advantages

The cable features gold‑plated 3.5 mm male and female connectors for reliable signal transmission and reduced contact corrosion. With a 32 AWG wire size and a very small cable diameter, the design is flexible and easy to route in pockets or bags. Its compact 0.5 m length minimises clutter while providing enough extension to connect headphones or audio accessories to a mobile device.

Suitable for

• Extending headphone connection to a smartphone or tablet with CTIA 3.5 mm jack
• Using headset with built‑in microphone while connected to a mobile device
• Connecting portable speakers or other 3.5 mm audio equipment where a short extension is needed

Key specifications

• Connector 1: 3.5 mm 4‑pin male (CTIA)
• Connector 2: 3.5 mm 4‑pin female (CTIA)
• Cable length: 0.5 m
• Wire gauge: 32 AWG
• Connector plating: gold‑plated contacts
• Colour: Black (with silver connector parts)

How to use

Plug the 3.5 mm male connector of the extension into the device’s headphone jack and connect your headset or audio cable to the female end. The extension maintains microphone and remote control functions for headsets that follow the CTIA wiring standard. Ensure both connectors are fully inserted to maintain optimal audio and microphone performance.

Recommendations

For best results, avoid sharp bends near the connector ends and keep the cable away from heat sources. The ultra‑slim design is intended for short extensions; for longer runs use a cable with an appropriate length and thicker gauge to reduce signal loss.