Definitive Technology Mythos STS Owner's Manual page 8

Connecting the Low Frequency Effects (LFE) Channel
Connect a "Y" connector (available from your dealer) from the LFE output on
your receiver or processor to feed two line level cables, connecting one to the LFE
input on your left Mythos STS and the other to the LFE input on your right speaker.
When using the LFE inputs, set your receiver's or processor's Speaker Set Up (bass
management) as Front
=
Large, Subwoofer
=
Yes (On).
LEFT SPEAKER
+
LFE
OUTPUT LEFT RIGHT
AMPLIFIER OR RECEIVER
RIGHT SPEAKER
Setting Low-Frequency Balance When Using LFE Input
In the receiver's or processor's speaker level menu be sure to set the subwoofer
volume to match that of the other channels in the system. Consult your receiver's
manual for specific instructions on setting speaker levels.
Speaker Wire Only Multi-Channel System Hook-Up
If you do not want to complicate your system hook up by connecting to the
Mythos STS' LFE inputs, simply connect to the speakers' high-level input binding
posts as described above and set your receiver's or processor's Speaker Set Up
(bass management) as Front
=
Large, Subwoofer
=
No (Off). All of the front
channel as well as the LFE bass will go to the Mythos STS.