Best Buy: Logitech X-540 Multimedia Surround Sound Speaker System (6-Piece) 970223-0403
Logitech X-540 Setup, Review, How to Connect to TV, Surround Sound Speakers and Subwoofer, Matrix. - YouTube
Logitech X-540 5.1 Speaker System - Overclockers Club
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 5.1 Speaker System - Overclockers Club
Logitech X-540 5.1 Surround Sound Speaker System with Subwoofer - Speakers & Subwoofers - Morris Plains, New Jersey | Facebook Marketplace | Facebook
Logitech X-540 5.1 Speaker System - Overclockers Club
Look inside Logitech x-540 PC Surround Speakers - YouTube
User manual Logitech X-540 (English - 28 pages)
Logitech X-540 5.1 Surround Sound Speaker System with Subwoofer Compete 97855050359 | eBay