Audio Note AN-E LX Specs - Manual (Page 6)

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At the rear of each speaker there are two pairs of red and black terminals marked
LF and HF. Your loudspeakers were shipped from the factory with these pairs
bridged by connecting links. The input to one pair of terminals will be fed to both
sets of terminals.
The facility to split the crossover on the AN-E allows the speakers to be operated in
a bi-wired or bi-amplifier mode. The crossovers are split by removing the
connecting links between the HF and LF terminals on the rear of the speaker.
Bi-wiring (see Figure 2) involves running two sets of cables to the rear of each
speaker so that the LF section of the crossover is fed by one set and the HF section
by the other. Both sets of cable are attached together to the corresponding pair of
terminals on the back of the amplifier. It is strongly recommended that the same
type of speaker cable is used throughout.