biamping en · NOUN
Etymology
From bi- + amp + -ing.
Meanings
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(uncountable) The use of two channels of amplification to power each loudspeaker within an audio system.
The biamplified systems I've heard sounded terrific, but they were top-end systems and had more reasons than just biamping to sound that way.
1981 January, Popular Science, volume 218, number 1, page 5: