playback equipment; playback device
Refers to devices that play back recorded audio or video, such as CD players, DVD players, or tape decks.
This playback device is compatible even with old tapes.
I didn't know how to operate the playback equipment, so I read the manual.
再生装置 is a more technical term for playback apparatus, often used in engineering contexts, while 再生機器 is a common term for consumer playback devices.
Compound of 再生 (playback, regeneration) and 機器 (equipment, device).