Echo II or Echo 2 or ''variant'', may refer to:
*
''Echo II''-class submarine of the Soviet Navy
*
Echo 2 (satellite), a 1964 NASA communications satellite
*
Echo II (expansion card)
The Echo II is a plug-in expansion card, speech synthesizer card for the Apple II and Apple IIe personal computers that allow applications to use speech synthesis. The Echo II provides a speaker/headphones jack on board, with a physical volume c ...
, a speech synthesizer card for the Apple II
See also
*
EchoStar II, a 1990s communications satellite
*
Echo (disambiguation)
An echo is a reflection of sound.
Echo may also refer to:
Arts, entertainment, and media Fictional entities
* Echo (DC Comics), various different characters
* Echo (''Dollhouse''), the protagonist of the TV series ''Dollhouse''
* Echo (Marvel ...
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