Esoteric A-100 Owner's Manual page 7

When biwiring 4$ $ speakers
Right speaker
When biwiring 6$ $ , 8$ $ or 16$ $ speakers
Right speaker
Q
Note:
< To biwire this unit and speaker, use either one of the 8Ω terminal or 4Ω terminal.
Do not connect the 4Ω terminal to a tweeter, 8Ω terminal to a woofer, etc.
Left speaker
Left speaker
7