Denon AVR-E400 Owner's Manual page 86

Speaker connection
Connecting 6.1-channel speakers using one surround back
speaker
If using only one surround back speaker, connect to the "L" side of the SURROUND BACK terminal.
For speaker settings in this case, see "When 6.1-channel speakers are installed" (vpage 78).
To perform 6.1-channel playback using the surround back speaker, set "Assign Mode" to "Surround Back"
in steps 3 to 5 for "Set up "Amp Assign"" (vpage 86).
Also use the "Speaker Config." setting (vpage 116) to set "Surr. Back" to "1spkr".
NOTE
• For speaker cable connections, see page 79.
• For speaker impedance, see page 79.
FL FR
SW
C
SL
SR
SB
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DVD