Logitech x-540 surround sound speaker systems with subwoofer | eBay
Audio Line For Logitech X540 5500 For Chuangxin Speakers 3 Color Cables Coded 3 Minijack Audio Cable Control Pod 3.5mm - Pc Hardware Cables & Adapters - AliExpress
Logitech X-540 Speaker System | JohnDiew.com
Specifications & Testing - Logitech X-540 5.1 Speaker System - Page 4 - Overclockers Club