Replacement Audio Cable Compatible with Logitech 5.1 Channel Computer Speakers Color Coded 3.5mm Minijack 3 Male to 3 Male 6.5ft,Compatible with logitech z-5500, z-5450, z-5400, z-5300, z-906, z-680, - Newegg.com
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Amazon.com: Logitech Z906 5.1 Surround Sound Speaker System - THX, Dolby Digital and DTS Digital Certified - Black : Electronics
Extension Cable for Logitech z-623 z-625 Speakers Control Pod Subwoofer z 625 | eBay
Amazon.com: SummitLink Replacement Extension Cable Compatible for Logitech Computer Speakers Control Pod z-5400 z-2300 z-5500 z-5300 z-5450 z-906 z-680 z-623 : Electronics