VooDoo MOJO High-Current Powercord (10 feet), 15 amps, working perfectly. I used this for my REL T/9i subwoofer to connect to a distant power supply. Bought new two years ago for $225. Asking $120.

If you seek significantly greater dynamic response, involving mid-range presence and refined musical detail from your audio system, we have designed the Mojo Powercord as a cost-effective entrance to the overwhelming sonic benefits of the audio-grade power cord. Mojo Powercords have 35-strand high-purity oxygen-free copper conductors.