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The LK240 provides two input sockets to make it easy to daisy
chain multi-amplifier systems, allowing you to boost the output
power of your system, or take advantage or bi-amping and
tri-amping.
Loudspeakers can be bi-wired, or tri-wired to the LK240 by the use
of the four loudspeaker sockets to obtain even higher sound
quality. Bi-wiring and tri-wiring involves making separate
connections to the treble and midrange/bass units on a
loudspeaker. Keeping the bass, midrange, and treble signals
separate improves the performance of the loudspeakers by
reducing the coupling between the signals.