1/4 to 1/8 Headphone Adapter, 4 Feet 6.35mm Male to 3.5mm Female TRS Stereo Audio Jack Adapter Cable for Mixer - Walmart.com
Amazon.com: VCE 1/4" to 1/8" Adapter, 3.5mm 1/8 inch Male to 6.35mm 1/4 inch Female Audio Jack Gold Plated Adapter for Amplifiers, Guitar, Home Theater Devices, Laptop, Headphones - 8 inch : Electronics
1PC BSP-NPT Adapter 1/8" Male BSPT to 1/4" Female NPT Brass Pipe Fitting Hexagon Plumbing Adapter Brass Pipe Fitting Mayit L: Amazon.com: Tools & Home Improvement
Amazon.com: NANYI 1/4 Inch Female to 1/8 Inch Male Stereo Headphone Adapter, Upgrade 6.35mm Jack Stereo Socket Female to 3.5mm Jack Stereo Plug Male for Headphone, Amp Adapte, Black 1-Pack : Electronics
LTWFITTING 1/4 in. O.D. Comp x 1/8 in. MIP Brass Compression Adapter Fitting (5-Pack) HF684205 - The Home Depot
Adapter Fittings 1/8 NPT to 1/4 Line | Allstar Performance
3/8" NPT Female to 1/4" NPT Male Brass Pipe Adaptor/Adapter Straight Reducer/Reducing Coupling Male to Female: Pipe Fittings: Amazon.com: Industrial & Scientific
Amazon.com: JOMLEY 1/4 to 3.5mm Adapter, 1/8"(3.5mm) Female to 1/4"(6.35mm) Male Adapter, Quarter inch to 1/8 inch Stereo Headphone Adapter, Amp Adapter - 2 Pack : Electronics
LTWFITTING 1/4 in. FIP x 1/8 in. MIP Brass Pipe Adapter Fitting (5-Pack) HF1024205 - The Home Depot
1/4" x 1/8" Compression x Male NPT Adapter Pipe Fitting Tube Connector – compressor-source
Everbilt 1/4 in. OD Compression x 1/8 in. MIP Brass Adapter Fitting 800729 - The Home Depot