Amazon.com: MillSO Headphone Splitter, Male to 2 Female 3.5 mm Splitter TRS Stereo 3.5mm Audio Splitter Jack Headphones Adapter for Dual Headphones/Speakers to Smartphone, Mp3, Laptop, Tablet, PC - 8inch Black :
Audio - MP3 Editors - The Portable Freeware Collection
1pc 27cm 1 RCA Female to 2 RCA Male Splitter Cable for Car Audio System subwoofer portable speaker DVD CD MP3 player etc Audio C| | - AliExpress
XWQ U-shaped Portable 3.5mm Stereo Audio Headphone/Mic Splitter Adapter for Smartphone MP3 MP4 Player - Walmart.com
Tripp Lite 6 inch Audio Y Splitter Adapter Cable 3.5mm Mini Stereo to 2 RCA - P315-06N - -
STCMUY1MFFADP - StarTech.com Black Slim Mini Jack Headphone Splitter Cable Adapter - 3.5mm Male to 2x 3.5mm Female - Split the audio from your iPod® / MP3 player to two sets of
5 in 1 Travel Sound - iSound
PYLE-PRO 4-Channel Portable Stereo Headphone Amplifier-Professional Multi-Channel Mini Earphone Splitter Amp w/4 ¼” Balanced TRS Headphones Output Jack and 1/4' TRS Audio Input For Sound Mixer-PHA40.
RuiPuo Portable Headphone amp 3.5mm Stereo Audio Out, Powered by Lithium Battery, Support GAIN, Headphone Amplifier for iPhone/Cellular Phone/MP3/MP4 /Computers ect.
3.5mm Stereo AUX Jack Male To 2 RCA Female Plug Adapter Headphone Y Splitter Audio Cable for PC/MP3 /portable CD player H8V8 - Walmart.com
aegis USB-C to 2-Port DisplayPort 1.4 Multi Video Splitter-Portable MST Hub-Dual 4K/60Hz or 4K/30hz- Thunderbolt 3 Compatible, for Windows Only (MST & SST) Chromebook (SST), iOS (SST) NOT Mac - Newegg.com