The Lord of the Tools 6.35mm 1/4 Inch Mono Male to Dual Female Jack Sockets Audio Adapter Splitter Cable 30cm Conversion Extension Cord Gold-plated Plug: Amazon.co.uk: Electronics & Photo
3.5mm Stereo to Dual Mono Cable, 6inch 1/8" TRS Male to 2 TS Mono Female Adapter Gold-Plated Connector Audio Y Splitter Cord for Headphone, Speaker : Amazon.co.uk: Electronics & Photo
3.5mm Jack Plug Audio Cable Headphone Splitter Aux One to Two Outputs 1 into 2 | eBay
Stereo Plug to 2 x Mono Socket Cable | The GigRig Shop
3.5mm Stereo to Dual Mono Cable, 6inch 1/8" TRS Male to 2 TS Mono Female Adapter Gold-Plated Connector Audio Y Splitter Cord for Headphone, Speaker : Amazon.co.uk: Electronics & Photo
kenable 3.5mm Stereo Jack Plug to Twin 3.5mm Mono Sockets Audio Cable 15cm : Amazon.co.uk: Electronics & Photo
6.35mm Mono Jack Plug to 2 x Twin 6.35mm Mono Jack Socket Splitter Adapter Dual Mono 1/4 Y Adaptor, Pack of 2: Amazon.co.uk: Electronics & Photo
Dual RCA Female to 6.35mm 1/4 inch Male Mono TS Interconnect Audio Y S
Neutrik 1/4" TRS Jack Split into Dual Mono Jacks. Stereo Splitter / Summing Cable
kenable 3.5mm Stereo Jack Plug to Twin Mono Splitter or Combiner Ad...