User Manual

Apollo Twin MkII Hardware Manual Controls & Connectors 27

(20) Power Switch

This rocker switch applies power to Apollo Twin MkII. Switch to OFF when not in use.

Caution: Before powering Apollo Twin MkII, lower the volume of the monitor

speakers and remove headphones from your ears.

(21) Optical In

This is a TOSLINK input for connection to other gear with an optical ADAT or S/PDIF

output.

Note: The connection protocol to be used (ADAT or S/PDIF) is speciﬁed in the

Hardware panel within Console Settings.

(22) Thunderbolt Port

Connect the Thunderbolt cable (not included) here. A Thunderbolt connection to the host

computer is required to use all Apollo Twin MkII features and UAD Powered Plug-Ins.

• Apollo Twin MkII can be connected to a Thunderbolt 1 or Thunderbolt 2 port.

• Apollo Twin MkII can be connected to compatible Thunderbolt 3 equipped

computers via a qualiﬁed Thunderbolt 3 to Thunderbolt adapter.