Can the Altec Lansing ADA745 4.1 surround system with subwoofer be connected to an iMac?

1121? Altec Lansing used to be good speakers, but not any more.

https://www.google.com/search?q=Altec+Lansing+221+7+pin+subwoofer+connector+pinout

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You don't. They're already amplified via the amp that's inside the subwoofer. They're only designed for a headphone output on a PV or portable audio player

They used to be good speakers, but not any more.

https://www.google.com/search?q=Altec+Lansing+SLS6221+won%27t+power+on

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Altec Lansing is the best company to buy speakers if you watch movies or listen to music. it hits both deep and a strong bass. These are the best speakers to buy.

If you are listening through headphones that are plugged in to the Altec system, then your problem is the amplifier is bad. Can't help you online with that. Sorry!

buy a convertor audio jack cable from (phone to rca) hope this helps!http://webpages.charter.net/nmejia496/3_5mm_rca_cable.jpg

Hi janros123 - I don't know if this will help - I have a subwoofer ACS48 that needs satellite speakers (they are blown). Want to buy my subwoofer or sell your satellites? I will buy your broken subwoofer, too...thanks, and good luck! Greg illdooyoo at gmail dot com

It won't work like this due to this being a computer only speaker system. It requires the drivers to work with a computer & a Home theater does not recognize the format. Sorry.

just buy a minijack-minijack cable. It's very cheap.

try and download sound softwares from majorgeeks.com.

hope this works.