3.5mm Female to 2.5mm Male Audio Adapter – Headphone Jack Converter for Sub-Mini Devices

Overview

3.5mm Female to 2.5mm Male Audio Adapter is a compact headphone jack converter that lets you connect a standard 3.5mm (1/8″) headphone/aux plug into devices that use a smaller 2.5mm (sub‑mini) audio port. It’s a simple plug-and-play solution for older phones, MP3 players, radios, and other devices with a 2.5mm jack.

Key Features

• Easy conversion: Converts 3.5mm female jack to 2.5mm male plug.
• Stereo audio support: Designed for standard left/right audio (TRS) connections.
• Compact & portable: Small size—ideal to keep as a spare in your bag, car, or desk drawer.
• Plug & play: No drivers, no setup—just connect and use.
• Wide use: Helpful for sub‑mini devices that still use a 2.5mm headphone port.

Common Uses

• Using 3.5mm earphones/headphones with a device that has a 2.5mm audio port
• Connecting a 3.5mm aux cable to compatible sub‑mini (2.5mm) audio devices
• Everyday listening on older or specialty electronics

Specifications

Important Notes (Please Read)

• Check your port type: This adapter is for audio ports. Some devices use 2.5mm/3.5mm jacks for special headset wiring—compatibility can vary.
• Mic support depends on device: If you need microphone/remote button support, confirm your device supports it with this connector type.
• Fit matters: Make sure you need 3.5mm female to 2.5mm male (not the reverse).

What’s in the Box

• 1 × 3.5mm Female to 2.5mm Male Audio Adapter

FAQ

What does this adapter do?
It lets you plug a 3.5mm headphone/aux plug into a device that has a 2.5mm audio jack.

Will it work for stereo sound?
Yes, it’s designed for standard stereo (left/right) audio.

Will the microphone work?
It depends on your device and headset wiring. If you specifically need mic support, please confirm your device’s headset standard before purchase.