Denon DN-500AV Owner's Manual page 48

6.1-channel (Surround back speaker) connection
If using only one surround back speaker (with a 6.1-channel connection), connect to the "L" side of the
SURR. BACK/AMP ASSIGN terminal.
For speaker settings in this case, see "When 6.1ch (Surround back speaker) installed" (vpage 39).
Also use the "Speaker Config." setting (vpage 65) to set "S.Back" to "1spkr".
BD
This unit
RCA RCA RCA RCA
XLR XLR XLR XLR
SPEAKERS SPEAKERS SPEAKERS SPEAKERS
FL
SW
SL
42
Power amplifier
RCA RCA RCA RCA RCA RCA
XLR XLR XLR XLR XLR XLR
SPEAKERS SPEAKERS SPEAKERS SPEAKERS SPEAKERS SPEAKERS
FR
C
SR
SB
Connect