AxcessAbles 1/4-inch TRS to XLR Adapter, Balanced Quarter Inch 6.35mm
Y-SERT™ 3.5mm TRS (female) to 1/4 inch TRS (female) ADAPTER — AMERICAN RECORDER TECHNOLOGIES, INC.
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
1/4" MNPT X 1/4" BSPP Female Brass Adapter (NPT X BSPP)
6.35mm (1/4 inch) Male to 3.5mm (1/8 inch) Female Stereo Audio Adapter Converter for Guitar Headphones Amp , Gold Plated 2 Pack - Walmart.com