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Review title: You may also need a "Y" adapter
Product review: I ordered the Polk Audio PSW10 10-Inch Monitor Series Powered Subwoofer (Single, Black) to go with my Yamaha CRX-330BL Micro Component Receiver CD Player Unit and bought Belkin PureAV AV20500-15 15-Foot Subwoofer Audio Cable to connect them. It turns out you also need a Monster ILJRY-1 F Single Female RCA to Dual Male RCA Y-Adapter to feed the signal into both channels of the subwoofer, or it doesn't work right. Once I got all the components, it's fine, but it took a week and two orders to figure it all out.
