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
Ancable Replacement Audio Cable for 5.1 Channel, Logitech Computer Speakers 3.5mm 1/8 TRS Plug Male to Male 6ft Compatible with logitech z-5500, z-5450, z-5400, z-5300, z-906, z-680, x540 : Electronics - Amazon.com
Hacking The Logitech Z906 Speaker System | Hackaday
Amazon.com: Logitech Remote Control for Speaker System Z906 : Electronics