Amazon.com: Bolvek 6ft RCA Male to Speaker Wire, RCA Male Plug Adapter Connector to Bare Wire Open End Audio Cable for Amplifier Audio Video Receiver Speakers : Electronics
FYI: % Signal Loss for Speaker Wire Length | AVS Forum
Speaker Wire Gauge: What Gauge Wire for Your Speakers? | Home Cinema Guide
Speaker Wires Guide - Gauge, Length, and Type.
Wire Length Calculator | Audio Science Review (ASR) Forum
Importance of speaker cable length | Steve Hoffman Music Forums
Is it better to have short interconnects and long speaker cables or visa-versa? : Empirical Audio