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description: Just a fun driver transplant comparison
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# MDR-CD1700 + V700 Driver 🛠️

![](https://31762434-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-M4NrSugToAwYkW0a8hV%2Fuploads%2FEVa6uQwt9ejmQ9TiYKq0%2Fleft%20channel%20MDR-V700.jpg?alt=media\&token=8f2d6248-6a3d-424c-97d0-1d45e95998ab)

Many Sony headphones from this era have identical 50mm driver housings and can be very easily swapped due to the twist locking system they all use.

The following headphones have the same size drivers and can be swapped:&#x20;

• MDR-CD1700\
• MDR-CD770\
• MDR-CD780\
• MDR-V700

Not that anyone should ever swap them. This was purely a bit of a fun experiment as proof of concept. Also there should be more headphones in this list of easily swappable drivers, but these are the ones I am aware of.
