WENTRONIC USB-C adapter with USB-C pass-through and 3.5mm AUX — model 74524

The WENTRONIC USB-C adapter with USB-C pass-through and 3.5mm AUX — model 74524 is a compact accessory that converts a single USB-C port into two simultaneous connections: a secondary USB-C port and a 3.5 mm headphone/auxiliary audio jack. It allows users to connect wired headphones, external speakers or an auxiliary audio device while maintaining a USB-C connection for charging or data transfer. The adapter is intended for straightforward plug-and-play use with laptops, smartphones and tablets that lack a dedicated 3.5 mm output or that need to keep USB-C connectivity available.

Advantages

The adapter combines audio output and USB-C pass-through in one small unit, reducing the need to carry multiple adapters. It supports simultaneous use of the USB-C port for power or data and the 3.5 mm jack for analog audio, enabling uninterrupted charging or peripheral connection while listening. Its compact form factor and single-cable connection make it convenient for travel and everyday mobile use. The design is compatible with devices that follow standard USB-C audio and power conventions, enabling plug-and-play operation without additional drivers on most modern devices.

Suitable for

• Listening to music or podcasts on devices without a dedicated 3.5 mm jack
• Connecting wired headphones or external speakers while charging a phone or tablet
• Using analog audio input on laptops during calls, streaming or recording
• Mobile work scenarios where simultaneous power/data and audio are required

Key specifications

• Connector input: USB-C male
• Outputs: USB-C female (pass-through) and 3.5 mm TRS audio jack
• Audio support: analog stereo via 3.5 mm jack
• Form factor: compact adapter with short pigtail cable
• Compatibility: designed for USB-C devices supporting analog audio passthrough and USB-C power/data

How to use

Insert the adapterUSB-C male plug into the USB-C port of your laptop, phone or tablet. Connect a USB-C cable or charger to the adapterUSB-C female pass-through port to provide power or data connection. Plug wired headphones or an auxiliary audio cable into the 3.5 mm jack for analog audio output. The adapter is intended for plug-and-play operation; once connected, audio should route through the 3.5 mm output while the USB-C pass-through maintains charging or data functions. If audio does not play automatically, check your device audio output settings and ensure the connected device supports analog audio over USB-C.

Usage recommendations

Use a high-quality 3.5 mm cable and a compatible USB-C charger or cable to ensure stable power delivery and clear audio. Avoid excessive bending at the adaptercable junction and disconnect when not in use to prolong the adapterservice life.