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The Complete Guide to 2.5mm Headphones

The Complete Guide to 2.5mm Headphones

If you’re looking for a set of headphones for a cell phone or other smaller audio device, 2.5mm headphones may be a strong choice.  Able to be connected to larger types of devices, 2.5 mm headphones are popular choices for travel-conscious listeners who still value quality sound for their listening experience.

The specific size of 2.5mm in the audio world should first be clarified.  The normal size connections for wired headphones to audio sources are either 6.35mm (1/4”) or 3.5mm.  The larger option is normally for home or professional audio equipment, while the 3.5mm size is the popular “minijack” stereo size.  You will find 3.5mm connections on smaller and portable audio systems, as a general rule.

The 3.5mm and 2.5mm jacks obviously bring the smaller size jacks into play.  The 2.5mm s “sub-miniature” jacks, referring to a popular term for this size, can be found on cell phones and other smaller audio devices.  Some portable audio players may use 2.5mm jacks, though the 3.5mm size is the standard.

If you are looking for 2.5mm headphones, you should first not exclude the more normal-sized headphones that use the 3.5mm size.  You can purchase a simple and inexpensive adaptor that will extend the wire just a few inches which you won’t notice that much.  If you will be using your headphones for other devices – which naturally leads to 3.5mm size jacks – you should just go with the more normal, 3.5mm, headphones.

Of course, if you’re looking for 2.5mm headphones for a specific device, it can be confusing in making a choice.  With the size of audio jacks hopefully cleared up, we can move to general buying tips for 2.5mm headphones.

Due to the size of 2.5mm devices, most 2.5mm headphones will be in-ear headphones.  Normally these type of headphones will use a small tip, a bud, to lodge itself directly onto your ear.  In-ear headphones have a number of advantages.  While you have to get used to the feel (some have different tips to attach), the sound feels “closer” than normal headphones.  Also, in-ear headphones are much better for traveling than traditional open or closed headphones that fit over the ear.

You will want to purchase 2.5mm headphones that are compatible with your device.  If you have a cell phone with a weak battery, for instance, high-end 2.5mm headphones may not be a good idea in terms of battery consumption.  If you have not used in-ear headphones or have specific taste in terms of how they fit in your ears, you will want to do extra research to find ones that you will like (read reviews, try a couple out, etc.).

Going with a recognized brand is always a good idea to ensure quality.  Try to find reviews on 2.5mm headphones that you like, so that you can gauge how well-received they are from customers. 

There are less options for 2.5mm headphones than the more-standard 3.5mm headphones.  If you don’t find something you like, or will be using them for more devices, you should consider an adaptor and 3.5mm headphones.

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