MyCableMart 15ft 1 Wire SubWoofer 18AWG (1 RCA to 2 Pos/Neg Speaker Connects) Cable
Brand: My Cable Mart
Sub-Woofer Cable, 1 RCA Connector (connection at receiver SUBWOOFER connector) to 2 speaker wire connectors (1 positive, 1 negative). For use with sub-woofer's that have standard speaker connectors (1 positive, and 1 negative) instead of RCA connectors. NOT suitable for older sub-woofers that have 2 positive, and 2 negative terminals.
Features:

Gold plated speaker plugs
Gold plated RCA male receiver input jack
18 AWG Stranded Copper Wire
Suitable for sub-woofers that have red and black (positive and negative) speaker-style connectors

TECH NOTE: This cable will not provide audio with a direct connection from a receiver or preamplifier to an unpowered subwoofers speaker level inputs. In that instance you will need an amplifier between the receiver/preamplifier to power the subwoofer.
SHIPPING WEIGHT (Each): 0.35 lbs.