Definitions for "BASS REFLEX"
Keywords:  woofer, loudspeaker, vent, reflex, port
A vented or ported speaker enclosure.
speaker with a hole or slot in the cabinet that allows sound inside the cabinet to emerge into the listening room. Bass-reflex speakers have deeper bass extension than similarly sized speakers with sealed cabinets, but that bass is generally less tightly controlled.
A speaker enclosure which uses a port to extend and smooth the bass output.