J&D 6.35mm (1/4 inch) TS to 3.5mm (1/8 inch) TRS Cable, Gold-Plated 1/4 inch Male to 3.5mm (1/8 inch) Male Mono Interconnect Heavy Duty Stereo Aux Jack Adapter Cable, 10 Feet - Walmart.com
Digital iVision Labs!: How Do 3.5mm Jacks (TRS Connectors) Works? | Audio, Diagram, Electronics mini projects
Audio Cable 3.5mm TRS male right angle - 3.5mm TRS male right angle - 1' straight
Premium 3.5mm (1/8 Inch) TRS to XLR Male to Male Mono Microphone Adapter Cable (6FT) - 3.5mm Male to XLR Female, XLR to Auxiliary AUX Headphone Audio Jack Plug Converter Wire Cord -