チェンジャー

noun

changer; changing device; thing or person that changes something

A katakana noun corresponding to 'changer'. In practice it is often used in compounds for a device, mechanism, person, or thing that changes or exchanges something; standalone use usually depends on context.

• 車くるまにCDチェンジャーを取とり付つけた。

  I installed a CD changer in the car.

• このチェンジャーは複ふく数すうのディスクを自じ動どうで切