6.3mm Female 3.5mm Male Stereo Audio Converter - 3.5mm 2.5mm 2.5 Mm 3.5 Adapter - Aliexpress
6.3 mm. Jack adapter (2 x 3.5 mm female - 1 x 6.3 mm male)
Amazon.com: Premium Adapter Stereo Gold Plug 1/4" (6.3mm) Male to 1/8" ( 3.5mm) Female - Gold Plated : Electronics
6.3mm (1/4in) Stereo Male to 3.5mm Stereo Female Adapter (TAA Compliant) | Audio Adapters and Couplers | Adapters and Couplers | Audio Video
Pearstone AMP-4 Gold-Plated Stereo 3.5mm to 1/4" Headphone AMP-4
Sennheiser Adapter 3.5mm - 6.3mm Jack for HD 25 | MUSIC STORE professional
Amazon.com: Mobi Lock 6.35mm Plug to 3.5mm Socket (Pack of 2) 1/4 to 1/8 inch Stereo Audio Jack Adapter | Converts Audio from Amplifiers, Guitar, Piano, Drums, Speakers & Mic That use
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