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Insignia NS-AV511 Surround Sound Receiver
www.insigniaproducts.com
• Speakers should only be placed on sturdy, flat 
surfaces that are free from vibration. Putting them 
on uneven or unstable surfaces, where they may 
fall and cause damage, affects the sound quality.
Connecting your speakers to the receiver
Speaker configuration
The following table indicates the channels you 
should use depending on the number of speakers 
that you have. For 5.1-channel surround-sound 
playback, you need five speakers and a powered 
subwoofer.
No matter how many speakers you use, a powered 
subwoofer is recommended for a really powerful 
and solid bass.
To get the best from your surround sound system, 
you need to set the speaker settings.
Speaker connection precautions
Read the following before connecting your 
speakers:
• You can connect speakers with an impedance of 
between 6 and 16 ohms. If you use speakers with 
a lower impedance, and use the amplifier at high 
volume levels for a long period of time, the 
built-in amp protection circuit may be activated.
• Disconnect the power cord from the wall outlet 
before making any connections.
• Pay close attention to speaker wiring polarity. In 
other words, connect positive (+) terminals only 
to positive (+) terminals, and negative (–) 
terminals only to negative (–) terminals. If you get 
them the wrong way around, the sound will be 
out of phase and will sound unnatural.
• Unnecessarily long, or very thin speaker cables 
may affect the sound quality and should be 
avoided.
• Be careful not to short the positive and negative 
wires. Doing so may damage the receiver.
• Make sure the metal core of the wire does not 
contact the receiver’s rear panel. Doing so may 
damage the receiver.
• Don’t connect more than one cable to each 
speaker terminal. Doing so may damage the 
receiver.
• Don’t connect one speaker to several terminals.
To connect the speaker cables:
Strip 1/2" to 5/8" (12 to 15 mm) of insulation 
from the ends of the speaker cables, and twist 
the bare wires tightly.
Push in on the speaker terminals on the receiver 
and insert the speaker wires into the terminals. 
The following illustration shows which speaker 
should be connected to each pair of terminals.
Release the terminals to secure the wire.
To connect the subwoofer:
Using a subwoofer RCA cable, connect the AV 
receiver's SUBWOOFER PRE OUT jack to an 
input on your powered subwoofer, as shown.
Connecting devices
Number of channels 2
3
4
5
Front speakers
2
2
2
2
Center speaker
1
1
Surround speakers
2
2
Warning
Do not plug the AC cord into the AC outlet until all 
connections are completed.
Notes
Be sure to observe the color coding when 
connecting audio and speaker cords.
Make connections firmly and correctly. Failure 
to do this can cause loss of sound, add noise to 
the sound, or damage your receiver.
Front right speaker
Front left speaker
Center speaker
Powered subwoofer
Surround right speaker
Surround left speaker
NS-AV511_11-0201_MAN_.book  Page 6  Wednesday, April 13, 2011  9:31 AM