Livewire Essential Headphone Splitter 3.5 mm TRS Male to 3.5 mm TRS Female Black 6 in. | Guitar Center
LR Baggs 15' Stereo Y Cable for X-Bridge and T-Bridge
Radial Engineering Shotgun 4-Channel Guitar Amp Splitter | Full Compass Systems
Amazon.com: 1/4 Splitter, 2 Pack 6 inch 6.35mm TRS Stereo Headphone Male to 2 TRS Stereo Female Splitter Cable, Quarter Inch Y Splitter Adapter UIInosoo for Headphone, Speaker, Guitar, Amplifiers, Mixer : Electronics
Amazon.com: Cubilux Passive 6.35mm Headphones Splitter Box, 1/4” Stereo Multi Audio Distributor, Multiport Quarter Inch TRS TS Aux Splitter for Guitar Signal, Studio Recording, Live Performance, Monitors : Electronics
Guitar Y Cable 5 Feet Gold Plated 6.35mm Male Trs Stereo To Dual 2 X 6.35mm Male Ts Mono Right Angle Y Splitter Audio Cable 1.5m - Pc Hardware Cables & Adapters - AliExpress
6.3mm 1/4 Y Splitter STEREO Plug male to 2x6.35mm Jack female Audio/Guitar - Walmart.com