Assertion: speaker's design | /r/CapableOf | produce sound
Facets:
value: from less power than any other.[clarification
type: OTHER
Source sentences:
text: Not all materials and construction designs produce all sounds the same: see tweeter, mid-range, woofer, subwoofer.
text: Although this reduces its efficiency, this design can still produce more sound from less power than any other.[clarification needed] Popularized in the 1920s as Baldwin Mica Diaphragm radio headphones, balanced armature transducers were refined during World War II for use in military sound powered telephones.