Marantz NR1508 Owner's Manual page 33

Contents Connections
o Connecting a front speaker that uses a power amplifier
This unit supports connection of a front speaker that uses an external power amplifier to increase its output.
Connect a separately sold power amplifier to the PRE OUT (FL/FR) connector of this unit.
Front panel Display
Playback
Power
amplifier
AUDIO
FRONT
L R
L R
L R
33
Rear panel
Settings Tips
Remote Index
Appendix