New Bos-volume Control For Bose Companion 3 C3 Pod 9pin Series I And Series Ii Home Audio Speakers Controller Companion3 - Pc Hardware Cables & Adapters - AliExpress
New Original For Bose Companion 5 Volume Control Pod For Companion5 10-pin Interface O Audio Speakers Controller Box - Pc Hardware Cables & Adapters - AliExpress
repair Control Bose - YouTube
Fix Pop/Crackle When Adjusting Volume - iFixit Repair Guide