Altec Lansing VS4121 Home Theater Quality Computer Speaker System | eBay
Altec Lansing VS4121 Loudspeaker System Manual | HiFi Engine
Other | Altec Lansing Vs4121 Computer Speaker 21 Powered Subwoofer Sound System Sub | Poshmark
Altec Lansing VS4121. Is it possible to connect 2 additional subwoofers? (Sub connections shown) I have a splitter and cables for the input but somehow need to connect the 9 pin connectors
Altec Lansing VS4121 vs Altec Lansing VS4621. Which is the Best? - BestAdvisor.com