Do you have a question about the NAD 218 THX and is the answer not in the manual?
How to properly connect the AC power cord, including extension cord usage.
Detailed instructions for connecting loudspeakers to the amplifier's terminals.
How to use the power button to turn the amplifier on and off.
Explains the meaning of the multi-color LED indicating the amplifier's operating status.
Connecting left and right channel audio signals via RCA (unbalanced) or XLR (balanced).
How to set the switch to match the selected input connector (BAL or UNBAL).
Explains the advantages of using balanced audio connections over unbalanced ones.
How to use the Soft Clipping feature to reduce distortion at high volume levels.
Instructions for configuring the amplifier for mono operation by bridging channels.
Common causes and remedies for the amplifier producing no sound.
Troubleshooting steps for when only one audio channel is not working.
Solutions for poor bass response or inaccurate stereo soundstage.