RockBoard by Warwick Flat Patch Y Splitter Insert Cable Black 30cm / 11.81"
Hosa Technology Stereo 1/4" Angled Male to 2 Mono 1/4" STP-201RR
Amazon.com: J&D 1/4 inch TRS Stereo Y Splitter Insert Cable, Gold Plated Copper Shell 6.35mm 1/4 inch TRS Male to Dual 6.35mm 1/4 inch TS Male Mono Breakout Cable, Audio Cord, 3 Feet : Electronics