Bowers & Wilkins Active Subwoofer ASW600 Owner's Manual & Warranty page 4

Figure 7
Pre-Amplifier
Right
Figure 8
Pre-Amplifier
RIGHT
+
-
LINE OUT
LINE IN
L
L
R
R
RIGHT
+
-
LINE OUT LINE IN
L
L
R R
LEFT
+
-
SPEAKERS OUT
R L
+
-
Power Amplifier
Left
LEFT
+
-
SPEAKERS OUT
L
R
+
-
Power Amplifier