Amazon.com: AudioQuest Black Lab 3m (9.84 ft) RCA Male to RCA Male Subwoofer Cable - Each : Electronics
RCA Subwoofer Cable 10ft. / 3M, Digital Coaxial Audio Cable Gold Plated RCA Male to Male SPDIF Cable for Subwoofer, Home Theater, Amplifier, TV - Grey - Newegg.com
Amazon.com: AudioQuest class X subwoofer cable - RCA plugs 3m (9.84') (Discontinued by Manufacturer) : Electronics