“Do I need three of these? One for the subwoofer connection, one for the channel one and two connection,one for the channel 3 and 4 connection. I have a 5 channel amp. Thanks”
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Short answer: No. The ground loop isolator is designed to connect line level outputs to inputs...for example from a CD player line level output to an amplifier line level input, both of which would have plug-in (115 volt AC) power supplies. The amplifier output to speakers would not benefit from an isolator unless the speaker is powered and plugged into a 115 V outlet. So if the speakers are passive and powered by your 5 channel amp, the isolator is not needed. Moreover, if you are feeding signal into the amplifier from a battery powered MP3 player (or similar device) the isolator is not needed. It is only helpful when connecting two devices that each have plug-in 115 V AC power supplies. Finally you may find that the isolator attenuates the bass end of the audio signal, so if you are not pestered by a 60 hz hum, don't use the isolator.
Sorry, there was a problem. Please try again later.I usually go with a method of how many watts do I plan to push and then select the cap I would use with 1000watts per 1 Farad. I use this one in my car which only has a 550watt 2-channel amp but in my truck I have a 750watt mono block and a 600watt 4-channel so I have a 2 Farad in there.
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