Hosa Technology Stereo 3.5mm Female to Dual Mono 3.5mm YMM-492
Sonic Boom SchoolMate Deluxe Stere - Mono Headphone with 1 - 8 in. Plug and 1 - 4 in. Adapter SO75091 | Zoro
VT9200BT Mono Bluetooth Headset + BT50U USB-C dongle + Type-A USB ada
Amazon.com: Vention 3.5mm Female to 2.5mm Male Audio Adapter Converter Premium Quality Headphone Earphone Headset 2.5mm to 3.5mm 3 Ring Jack Stereo or Mono 2 Pack : Electronics
CableWholesale 3.5mm Mono Female to RCA Male adapter, 1 count - Kroger
Amazon.com: 3.5mm Stereo Male to Dual 3.5mm Mono Male Audio Cable, 1ft 3.5mm 1/8" TRS Male to 2 x 3.5mm 1/8" TS Male Y Breakout Cable Splitter Adapter for Headphone, Speaker :
Hosa GPM-179 Mini Stereo to Mono 1/4 inch Headphone Adapter | Sweetwater
YCS Basics Mono Headset Adapter Cable for Mobile Phones and Gaming systems
Stereo Mono 3.5 Adapter | Stereo Male Adapter | Jack 3.5 2 Pole | Mini Audio Plug - 1pair - Aliexpress
2.5mm 3.5mm 6.35mm Metal Headphones Converter Plug Jack Male/Female Mono/Stereo Audio Adapter for DIY Headphone Connector| | - AliExpress
2pcs Male to Female 6.35mm Double Mono Headphone Microphone Y Splitter Converter 1/4 Inch Stereo Audio Jack Plug Adapter (Black) - Walmart.com
3.5mm Mono Plug 2.5mm Jack Adapter | 2.5mm Stereo Plug 3.5mm Mono Jack - Solder Type - Aliexpress
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ALZO Smartphone 3.5mm TRRS Adapter Break-Out Y Splitter Cord with Ster - ALZO Digital
Gold Plated 3.5mm Male to 2.5mm Female Audio Headphone Adapter Headset Converter 3 Ring Jack Plug - Stereo or Mono (2-Pack) - Walmart.com
Amazon.com: 3.5mm Mono to Stereo Adapter, 2 Pack 3.5mm 1/8" Mono Male Plug to 3.5mm 1/8" TRS Stereo Female Jack for Radio, Headphone : Everything Else