Boxwave
Boxwave 3.5mm 4 Pole Male to 2.5mm Female Audio Adapter
Connects a 3.5 mm four-pole male plug to a 2.5 mm female socket in a compact zinc-alloy housing
- TypeAdapters
- Connects 3.5 mm headsets to 2.5 mm ports
- Zinc alloy housing resists daily wear
- Compact form fits in any pocket
- Extends existing cables without signal loss
- Ready for audio and video systems
3.5 mm to 2.5 mm audio adapter
This compact coupler converts a single 3.5 mm male plug into a 2.5 mm female socket. It lets you connect headsets, headphones or audio cables that use the smaller 2.5 mm jack to devices equipped with the larger 3.5 mm port. The adapter is designed for portable use and simple plug-and-play operation.
Zinc-alloy construction and straight connectors
The body is made from zinc alloy, giving a solid feel and durable finish for repeated insertion cycles. Both connectors are straight, so the adapter adds minimal bulk and sits flush against the device, reducing strain on the host socket. Its small footprint means it can stay attached to a cable or headset without snagging in a bag or pocket.
Check your device port and plug polarity
Verify that your source device provides a standard 3.5 mm TRRS or TRS output and that the 2.5 mm plug you intend to use matches the required pole configuration. The adapter does not convert microphone or inline-control signals beyond the physical connection, so headsets with proprietary pinouts may not function fully. Ensure the 2.5 mm cable or headset is compatible with the host equipment before ordering.
Highlights
- Connects 3.5 mm headsets to 2.5 mm ports
- Zinc alloy housing resists daily wear
- Compact form fits in any pocket
- Extends existing cables without signal loss
- Ready for audio and video systems
Specifications
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Questions about this item
Does the 3.5 mm 4-pole male plug carry both stereo audio and microphone signals?
Yes, the 4-pole male end supports stereo audio plus a microphone connection, allowing headset use with a 2.5 mm jack.
What is the outer diameter of the zinc-alloy housing, and will it clear a recessed phone port?
The compact zinc-alloy shell is slim enough to fit most recessed 3.5 mm ports without needing to remove a phone case.
How do I install it without losing the microphone contact?
Push the 3.5 mm male plug in fully until it clicks; a partial insert leaves the last ring disconnected and kills the mic.
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