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
Amazon.com: Legines Brass Pipe Fitting, NPT Adapter 1/4" Female to 1/8" Male Reducing Adaptor 1200psi High Pressure (Pack of 2) : Industrial & Scientific
3 Piece Socket Adapter Set Increasing 3/8" 1/2" 3/4" Female 1/4" 3/8" 1/2" Male - Walmart.com
1/4" Male to 1/8" Female Adapter
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
1/8" Male NPT x 1/4" Flare (SAE) Brass Adapter
Adapter Fittings 1/8 NPT to 1/4 Line | Allstar Performance
Hosa Technology REAN 1/8" TRS Female to 1/4" TRS Male HXMS-010
Everbilt 1/4 in. OD Compression x 1/8 in. MIP Brass Adapter Fitting 800729 - The Home Depot
Sennheiser Universal 1/8" to 1/4" Headphone Adapter 549346 B&H
LTWFITTING 1/4 in. Flare x 1/8 in. MIP Brass Adapter Fitting (5-Pack) HF484205 - The Home Depot
Threading Adapter, NPT 1/4 Female to NPT 3/8 Male
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
1/8" to 1/4" Stereo Adapter - Etymotic
On-Stage WHA4500 1/8" to 1/4" TRS Adapter | Guitar Center